CN1242530A - Holographic stereogram creating apparatus and method - Google Patents
Holographic stereogram creating apparatus and method Download PDFInfo
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- CN1242530A CN1242530A CN 99110137 CN99110137A CN1242530A CN 1242530 A CN1242530 A CN 1242530A CN 99110137 CN99110137 CN 99110137 CN 99110137 A CN99110137 A CN 99110137A CN 1242530 A CN1242530 A CN 1242530A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H1/268—Holographic stereogram
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Abstract
The present invention provides a holographic stereogram creating apparatus and method capable of obtaining a more preferable reproduction of image, by arranging on an optical path of a reference light, a mask having an opening corresponding to an element hologram.
Description
The present invention relates to be used to generate the holographic stereogram creating apparatus and the method for the holographic stereogram of record, make it possible to image with three dimensional viewing real image and computer graphical.
Holographic stereogram for example is by main body is photographed from different observation point, and uses several images that obtain like this to form as raw image, and these raw images sequentially are recorded on the hologram medium with bar shaped unit or some unit.
For example, only have as shown in Figure 1 in the holographic stereogram of horizontal direction gun parallax information, sequentially with different horizontal directions main body 100 is photographed to obtain a plurality of raw image 101a to 101e, these raw images sequentially are recorded on the recording medium as the holographic pel 102 of bar shaped.Should be noted that a plurality of raw images that are recorded on the hologram recording medium as holographic pel may not be the main bodys of in fact being photographed, but CAD (computer-aided design (CAD)) image or CG (computer graphical) image.
In this holographic stereogram by sequentially to main body from different observation point photograph in the horizontal direction the picture information that obtains as the holographic pel of bar shaped by journal.When watching this holographic stereogram, the two-dimensional image that right eye receives is different from the two-dimensional image that left eye receives when eyes (a right and left side).Like this, the observer feels gun parallax and is pattern recognition three-dimensional image.
The holographic pel of above-mentioned holographic stereogram is recorded on the recording medium that has as the photosensitive material of following recording materials.Here it is, and when record one holographic pel on the hologram record medium, the laser beam with good coherence branches into two parts.A part is as by the two-dimensional projection's image (thing light) such as the modulation of the such image display apparatus of liquid crystal board, and is applied to a side of hologram record medium.Another part is as the opposite side of reference optical recording to the hologram record medium.Like this, the variation of the refraction factor of the photosensitive material of hologram record medium or transmission factor just forms coherent fringe.
Yet the holographic stereogram that is produced by said method has variety of issue.The image that reproduces is complete dark and light and shade contrast's deficiency.The image that reproduces is unintelligible because of distortion.
In order to deal with this situation, to the aforementioned body phototesting various devices improving the quality of picture reproducing, but can not obtain fully satisfied image.
Thereby an object of the present invention is to provide a kind of be used to reproduce can present the holographic stereogram creating apparatus and the method for the holographic stereogram of picture reproducing preferably.
We have researched and solved the problems referred to above, and find by suppress to put on hologram recording medium with reference to scattering of light and improve its collimation, can improve the picture reproducing quality of holographic stereogram greatly.
The one side (first face) that is used for thing light is applied to the hologram record medium according to holographic stereogram creating apparatus of the present invention and method, and the another side (second face) that is applied to the hologram record medium with reference to light, so that sequentially write down each image of gun parallax image string to the hologram record medium, wherein has mask configuration corresponding to the opening of holographic pel on the light path of reference light as holographic pel.
In this holographic stereogram creating apparatus, have only a part of having passed through mask open to be applied on the hologram record medium with reference to light.Because mask open has the shape corresponding to holographic pel, so will can not be applied to adjacent area on the zone that to write down required holographic pel with reference to light.So this holographic stereogram creating apparatus can suppress by the reduction of reference light to another regional caused diffracting effect of exposure.This makes it possible to generate the holographic stereogram that can reproduce better image.
According to a further aspect in the invention, a kind of holographic stereogram creating apparatus and method are provided, be used for thing light is applied to the one side (first face) of hologram record medium, and the another side (second face) that is applied to the hologram record medium with reference to light, so that sequentially write down each image of gun parallax image string to the hologram record medium as holographic pel, this device also comprises the projection optical system that is configured in reference on the light path of light, is used for second projection to the hologram record medium with reference to light.
In general, holographic stereogram bears the directional light that is used for the display reproduction image.Yet, during holographic pel record, use the holographic stereogram of non-parallel light as the reference photogenerated, when applying directional light, will cause distortion and fuzzy for reproduction.
On the other hand, in holographic stereogram creating apparatus according to the present invention, by being configured in reference to the projection optics system on the light light path, making with reference to light became directional light before being applied to second of hologram record medium.So, can generate the holographic stereogram that can reproduce better image.
Should be noted that in holographic stereogram creating apparatus according to the present invention mask and projection optical system all are configured in reference on the first light path.
Under its this situation, can provide the holographic stereogram that can reproduce better image by reduction and the distortion that suppresses the diffraction in the picture reproducing.
According to a further aspect in the invention, a kind of holographic three-dimensional drawing generating method is provided, be used for thing light is applied to the one side (first face) of hologram record medium, and the another side (second face) that is applied to the hologram record medium with reference to light, so that sequentially write down each image of gun parallax image string to the hologram record medium as holographic pel, wherein have mask configuration corresponding to the opening of holographic pel on the light path of reference light, make and before being applied to second of hologram record medium, pass through mask with reference to light.
According to this holographic three-dimensional drawing generating method, suppressed presumptive area with reference to light to the applying of adjacent area, and can obtain to reproduce the holographic stereogram of better image.
According to a further aspect in the invention, a kind of holographic three-dimensional drawing generating method is provided, be used for thing light is applied to the one side (first face) of hologram record medium, and the another side (second face) that is applied to the hologram record medium with reference to light, so that sequentially write down each image of gun parallax image string to the hologram record medium as holographic pel, wherein a projection optics system is configured on the light path with reference to light, is used for as directional light to second projection of hologram record medium with reference to light.
According to this three-dimensional drawing generating method, before being provided at reference light at the projection optics system that is provided on the light path of reference light, second of hologram record medium make it become directional light.Thereby, can generate the holographic stereogram that can reproduce better image.
It should be noted that, according to holographic three-dimensional drawing generating method of the present invention, mask and projection optics system are all configurable on the light path of reference light, make by projection optics system be directional light by becoming with reference to light of mask before it is applied to second of hologram record medium.
Under this situation, can suppress the reduction and the distortion of diffraction in the picture reproducing, thereby obtain to reproduce the holographic stereogram of better image.
Fig. 1 illustrates the generative process of holographic stereogram.
Fig. 2 be as the major part of the hologram record medium of an example cut-open view.
Fig. 3 illustrates the photo-process of holographic material: Fig. 3 A represents that single polymers spreads in the based polyalcohol equably; Fig. 3 B represents that key light (power light) is applied on the holographic material; Fig. 3 C represents that ultraviolet ray is applied to whole surface.
Fig. 4 illustrates structure one example of holographic stereogram generation device.
Fig. 5 illustrates an example of the optical system configurations of exposure process part.
Fig. 6 illustrates general far away burnt projection optics system.
Fig. 7 represents to be configured in structure one example with reference to the burnt projection optics system far away on the light light path according to holographic stereogram generation device of the present invention: Fig. 7 A is the side view of burnt projection optics system far away; Fig. 7 B is the planimetric map from the burnt projection optics system of watching far away.
Fig. 8 represents the lens parameter of above-mentioned burnt projection optics system far away.
Now with reference to accompanying drawing embodiments of the invention are described.Should be noted that to the invention is not restricted to following illustrated embodiment, but can modify embodiment within the scope of the invention.
At first, service recorder medium in the holographic stereogram are given an explaination according to the present invention with reference to Fig. 2.
As shown in Figure 2, this recording medium 10 comprises by colourless transparent resin film etc. makes the substrate 11 with hologram record layer 12, and the protective layer 13 that this recording layer is made by the colourless transparent resin film covers.
As detailed below, when three-dimensional image records this recording medium 10, enter hologram record layer 12 with reference to light by substrate 11, thing light enters hologram record layer 12 by protective layer 13 simultaneously, and their coherent fringe is recorded on the hologram record layer 12.So substrate 11 and protective layer 13 should have such as little light scattering, little birefringence, and the high grade of transparency.
On the other hand, hologram record medium 12 can be made by common known holographic material.Preferably such material wherein is recorded as the variation in the refraction factor with reference to the relevant coherent fringe that produces between light and the object light.In this embodiment, we use the OMNI-DEX (trade name) that is produced by Dupont company limited as holographic material.This holographic material is made by optics aggretion type photopolymer.As shown in Figure 3A, in its original state, single polymers M spreads in the based polyalcohol equably.If shown in Fig. 3 B, apply 10 to 400mJ/cm to holographic material
2Light La, then the single polymers M according to the intensity exposure of light La is aggregated.As a result, the concentration of single polymers M changes according to the position, causes the refraction modulation.After this, shown in Fig. 3 C, apply 1000mJ/cm to whole surface
2Ultraviolet Lb so that finish the polymerization of single polymers M.Like this, increase the modulation of the refraction factor, and fix the modulation of this refraction factor.
Next will provide explanation as the holographic stereogram creating apparatus of holographic stereogram record three-dimensional image to being used for according to the present invention on above-mentioned recording medium 10.Here will provide explanation to a kind of like this holographic stereogram creating apparatus, the holographic pel of wherein a plurality of bar shapeds records on the recording medium 10, so that obtain gun parallax information in the horizontal direction.Yet, the invention is not restricted to this example, but can be applicable to that also the holographic pel of its mid point type is recorded in the holographic stereogram on the recording medium 10, so that be created in the holographic stereogram that horizontal direction and vertical direction all have gun parallax information.
This holographic stereogram creating apparatus is the device that is used to produce a so-called step holographic stereogram, and the recording medium itself that comprises coherent fringe between object light and the coherent light is exported as holographic stereogram.
As shown in Figure 4, this holographic stereogram creating apparatus comprises: the data processor 21 that is used to handle the main picture data; Be used to control the control computer 22 of total system; And exposure-processed device 23 with the optical system that is used to produce holographic stereogram.
Here, gun parallax image string camera head can use the poly-lens camera to take simultaneously or by the mobile camera sequential shoot, makes in the horizontal direction that from a plurality of viewpoint the shooting bodies so that obtain gun parallax image string D1, this image string offers image processing computer 24.In addition, use such as the gun parallax image of CAD and CG technology and concatenate into computing machine from comprising a plurality of image generation gun parallax image string D1 of azimuth information, gun parallax image string D1 does not offer image processing computer 24.
In addition, when generating holographic stereogram, data processor 21 calls over each visual pictorial data from storer 25, and pictorial data D3 is sent to control computer 22.
Here, as will describing in detail after a while, control computer 22 control is installed in shutter in the exposure-processed device 23, display device, and printing head part.In other words, control computer 22 is to the transmit control signal open and close of S1 control shutter of shutter; In addition, processor controls 22 offers display device to pictorial data D4, makes display device show the image based on pictorial data D4.Control computer partly sends out signal S2 to printing head, so that by the operation that feeds of printing head part controlling recording medium 10.
Exposure-processed device 23 will describe in detail to Fig. 7 with reference to Fig. 5 following.Fig. 5 A represents exposure-processed device 23 whole optical system of watching from the top, and Fig. 5 B represents the whole optical system of the optical processor 23 watched from the side.Fig. 6 is the description to common burnt projection optics system far away, and Fig. 7 represents to be used for the far away burnt projection optics system according to holographic stereogram exposure-processed device 23 of the present invention.Should be noted that the optical system of exposure-processed device 23 is not limited to example given here in holographic stereogram creating apparatus according to the present invention, but can press modified in various manners within the scope of the invention.For example, can revise the combination or the like of the number of incident direction with reference to light, lens and type, lens.
As shown in Fig. 5 A, exposure-processed device 23 comprises: the lasing light emitter 31 that is used to launch the predetermined wavelength laser beam; And be configured in shutter 32 and semi reflective mirror 33 on the light path of laser beam L1 of self-excitation light source 31.
Above-mentioned shutter 32 is by control computer 22 controls.Recording medium 10 during not by exposure shutter 32 close, and open during by exposure in recording medium.Should be noted that the logical of laser beam and the disconnected shutter 32 that is to use switch, but when lasing light emitter 31 be in the time of can when rising, launching the light source of stabilized lasers bundle such as semiconductor laser is this, to need not to use shutter 32 lasing light emitters itself can turn on and off.
The effect of semi-permeable mirror 33 is that the laser beam L2 by shutter 32 is divided into reference to light and thing light.The light L3 by semi-permeable mirror 33 becomes object light, and is become with reference to light by the light L4 of semi-permeable mirror 33 reflections.
Shown in Fig. 5 A and Fig. 5 B, on the light path of the light L3 that passes through semi-permeable mirror 33, be equipped with: be used to reflect completely reflecting mirror 34 from the light of semi-permeable mirror 33; Spatial filter 35 with convex lens and pin hole; Be used for thing light is become collimation lens 36 for directional light; Be used to show the display device 37 of the image that is recorded; Be used for projection lens 38, and be used for by the cylindrical lens 39 of this order to recording medium 10 emission object light to recording medium 10 missile light.
The light L4 by semi-permeable mirror 33 is reflected by full transmitting mirror 34, and by spatial filter 35, so that become from the light of pointolite diffusion.In addition, this light formed directional light by collimation lens 36 before entering display device 37.Here, for example display device 37 is the transparent type image display apparatus with liquid crystal board, and based on the pictorial data D4 displayed image of presenting from control computer 22.The light by display device 37 has been according to being presented at visual modulated on the display device 37, and by projection lens 38 introducing cylindrical lenses 39.
The light by display device 37 is focused on by cylindrical lens 39 in the horizontal direction, and focused light offers recording medium 10 as thing light.In other words, in exposure-processed device 23, offer recording medium 10 as strip light from the projection light of display device 37.It should be noted that, produced the reflective holographic stereographic map at that time, though do not express, before near recording medium 10, the one dimension diffusing panel is housed, make by the vertical diffusion of the light of cylindrical lens 39 horizontal focusings at the holographic pel of the bar shaped that is applied to recording medium 10.This has guaranteed the viewpoint angle in the vertical direction.
On the other hand, on the light path of light L4, the optical system that is used for reference to light is housed, comprises: cylindrical lens 40 by 33 reflections of semi reflective mirror; Be used to make the collimation lens 41 that becomes directional light with reference to light; Be used to reflect the completely reflecting mirror 42 of the directional light of self-focus lens 41; Be used to block mask 43 by the light unnecessary part of completely reflecting mirror 42 reflections; And the light projecting optical system 44 that is used for having passed through to recording medium 10 projections mask 43 as directional light with this order.
At first by cylindrical lens 40 diffusions, and before by completely reflecting mirror 42 reflections, form directional light then by the light of semi reflective mirror 33 reflection by collimation lens 41.Light by completely reflecting mirror 42 reflections is launched into mask 43.
In holographic stereogram creating apparatus according to the present invention, mask 43 is housed on the light path of reference light.So, be recorded on the zone that required holographic pel will be recorded with reference to light, and not the reference optical recording to this regional adjacent areas in danger.Thereby, in this holographic stereogram creating apparatus, can suppress the reduction of diffraction and the holographic stereogram that acquisition can be reproduced better image.
As shown in Figure 6, burnt projection optics system far away comprises the first cylindrical lens 44a and the second cylindrical lens 44b, and both have identical focal length and following configuration.Promptly, if supposing F is the focal length of the first and second cylindrical lens 44a and 44b, then the distance between the mask 43 and the first cylindrical lens 44a is F, distance between the second cylindrical lens 44b and the recording medium 10 also is F, and the distance between the first cylindrical lens 44a and the second cylindrical lens 44b is 2 * F.
Like this, when projection optics system 44 is burnt projection optics system far away, if mask 43 has its shape opening identical with necessary hologram shape, then project on the recording medium 10 with the shape identical with holographic pel with reference to light, and there is not required hologram in adjacent areas, promptly in the zone that is used to write down required holographic pel, the danger of radiation.In addition, because projection optics system 44 constitutes as burnt projection optics system far away, so can be applied on the recording medium 10 with the height collimation of reference light with reference to light.So, use wherein above-mentioned projection optics system 44 to be installed in reference to the holographic stereogram creating apparatus on the light light path, just can generate the holographic stereogram that can reproduce better image and not have distortion or blur.
When reality generated holographic stereogram, unusual was to be applied on the recording medium 10 with predetermined angle with reference to light.This is because when when holographic stereogram obtains picture reproducing, light is applied on this holographic stereogram with the angle that tilts, and applying angle and when mating with reference to the angle of radiation of light, can obtain the optical reproduction image when light.So, when generating holographic stereogram, preferably be applied to recording medium 10 with the degree of tilt that is complementary with the light that applies when the acquisition picture reproducing with reference to light.
If above-mentioned projection optics system 44 is installed on the light path with reference to light that is applied to obliquely on the recording medium 10, then can not keep collimation with reference to light because of different focal lengths.So, in this case, the lens parameter of projection optics system 44 must be set according to the angle that reference light applies.
Here will provide about in holographic stereogram creating apparatus with reference to the explanation of the projection optics system 44 that disposes on the light light path, wherein be applied to recording medium 10 with miter angle with reference to light.Should be noted that Fig. 7 A represents the projection optics system of observing from the side 44, and Fig. 7 B represents the projection optics system 44 observed from above.In addition, Fig. 8 represents the lens parameter of projection optics system 44.Here, the software that is used for lens design is to use the optical design software ZEMAX (trade name) that is produced by Focus Software company.
With miter angle in recording medium 10 applies holographic stereogram process units with reference to light, suppose that the first cylindrical lens 44a has surperficial S1 (hereinafter referred to as first lens face) in mask 43 sides, and face S2 (hereinafter referred to as second lens face) is arranged in the second cylindrical lens 44b side; And second cylindrical lens 44b have at the face S3 of the first cylindrical lens 44a side (hereinafter referred to as the 3rd lens face), and at the face S4 of recording medium 10 sides (hereinafter referred to as the 4th lens face).When such design projection optics system 44, make and win the 4th lens face S1 when S4 has as shown in Figure 8 parameter value, projection optics system 44 can be with constituting burnt projection optics system far away with reference to the identical mode of the illustrated projection optics system of Fig. 6.
Promptly the first cylindrical lens 44a has first S1 as the face of cylinder of 51.9mm radius-of-curvature and focal length 100mm, reaches second S2 as the plane.The first cylindrical lens 44a uses BK7 to form, and it is 5mm that its mode makes the axial distance of winning between the lens face S1 and the second lens face S2.This first cylindrical lens 44a becomes the miter angle configuration to the light path of reference light, makes the axial distance of winning between face S1 and the mask 43 be about 83.2mm.
In addition, the second cylindrical lens 44b has the fourth face S4 as the face of cylinder of the 3rd S3 on plane and conduct-51.9mm radius-of-curvature and focal length 100mm.The second cylindrical lens 44b is to use BK7 to form, and its mode makes that the axial distance between the 3rd lens face S3 and the 4th lens face S4 is 5mm.This second cylindrical lens 44b becomes the miter angle configuration to the light path of reference light, makes that the axial distance between fourth face S4 and the recording medium 10 is about 83.2mm, and the axial distance between the 3rd S3 and second S2 is about 155.3mm.
Should be noted that in Fig. 8 " COORDBRK " meaning is a lens face to the light path miter angle that tilts, and " TOROIDAL " meaning be lens face is the lens face that constitutes cylindrical lens.
When projection optics system as above constitutes, even in the holographic stereogram creating apparatus that wherein is applied to miter angle on the recording medium 10 with reference to light, also can constitute projection optics system 44, and handle is applied on the recording medium 10 with reference to light when keeping with reference to the high collimation of light as burnt projection optics system far away.
In having the holographic stereogram of said structure, passed through the protective layer 13 of recording medium 10 by the thing light of semi reflective mirror 33, and by semi reflective mirror 33 reflection enter hologram record layer 12 with reference to the substrate 11 of light by recording medium 10 in, enter into hologram recording layer 12.That is, thing light enters one of interarea of recording medium 10 with the light path perpendicular to recording medium 10 almost, simultaneously with reference to light so that recording medium 10 predetermined angles are entered the another side of recording medium.Like this, thing light and relevant each other in hologram record layer 12 with reference to light causes coherent fringe, and this striped is recorded as the variation of the diffraction in the hologram record layer 12.
Recording medium is configured in a predetermined manner on the printing head part 50 of operating under the control of control computer.When writing down an image as holographic pel on recording medium, printing head part 50 is presented a holographic pel to recording medium 10 immediately according to the control signal S2 from control computer 22 at every turn.Like this, based on the image of the pictorial data D that in data processor 21, has handled, as holographic pel continuously journal in the horizontal direction on recording medium 10.
Then, in printing head part 50, ultraviolet ray is applied to the recording medium 10 that records a plurality of holographic pels on it.This has just finished the polymerization of the single polymers M in the hologram record layer 12 of recording medium 10.In addition, the recording medium 10 that has been subjected to ultraviolet radiation stands heating process, makes the image of record fix and cut out by clipper etc.Like this, just produced an independently holographic stereogram.
In holographic stereogram creating apparatus according to the present invention, have mask 43 corresponding to holographic pel shaped aperture and be installed on the light path with reference to light.So, holographic pel is not applied to the danger of the required hologram predetermined zone adjacent area of record.So, in this holographic stereogram creating apparatus, can suppress the reduction of diffracting effect, allow to obtain to reproduce the holographic stereogram of better image.
In addition, in this holographic stereogram creating apparatus, on the light path of reference light, installed be used for reference to light as the projection optics system 44 of directional light to recording medium 10 projection.So, can generate the holographic stereogram that can reproduce better image and not have distortion and blur.
Should be noted that to collimation lens 41 wherein be installed on the light path and the reference that is applied to mask 43 only an example of directional light provided explanation.Yet, in holographic stereogram creating apparatus according to the present invention, even be applied to the only non-parallel light of the reference of mask 43, also can be by condition suitably is set, such as the focal length of the first and second cylindrical lens 44a and 44b and the position of arranging, projecting on the recording medium as directional light with reference to light.
In addition, the reflective holographic stereographic map has been provided explanation.Yet, the invention is not restricted to this type, and can also be applicable to transparent type holographic stereogram and edge-light type holographic stereogram or the like.
In addition, monochromatic holographic stereogram one example is provided explanation, but the present invention also can be applicable to the color hologram stereographic map.For example when generating the color hologram stereographic map, can use corresponding to trichromatic three light as the light that is used to write down.
From clearly above, in holographic stereogram creating apparatus according to the present invention, on the light path of reference light, installed the mask that has corresponding to holographic pel shaped aperture, and can explication be applied to the scope with reference to light of recording medium.
So, in this holographic stereogram generation is this, can suppresses the reduction of diffraction usefulness and generate the holographic stereogram that can reproduce better image.
In addition, in holographic stereogram creating apparatus according to the present invention, on the light path of reference light, disposed the projecting light path that is used for project recording medium as directional light with reference to light.Thereby, can on the recording medium preposition, apply with reference to light equably.Like this, just can generate the holographic stereogram of the better image that can reproduce not distortion or blur.
In addition, in holographic stereogram creating apparatus according to the present invention, on the light path of reference light, installed the mask that has corresponding to holographic pel shaped aperture.Thereby, can accurately define the scope that is applied to recording medium with reference to light.
So, in this holographic three-dimensional drawing generating method, can suppress the reduction of diffraction usefulness and generate the holographic stereogram that can reproduce better image.
In addition, in holographic stereogram creating apparatus according to the present invention, on the light path of reference light, disposed the projecting light path that is used for project recording medium as directional light with reference to light.Thereby, can on the recording medium preposition, apply with reference to light equably.Like this, just can generate the holographic stereogram of the better image that can reproduce not distortion or blur.
Claims (12)
1. holographic stereogram creating apparatus, be used for thing light is applied to the one side (first face) of hologram record medium, and the another side (second face) that is applied to the hologram record medium with reference to light, so that sequentially write down each image of gun parallax image string to the hologram record medium as holographic pel
Wherein has mask configuration corresponding to the opening of holographic pel on the light path of reference light.
2. holographic stereogram creating apparatus as claimed in claim 1, wherein the opening of mask has the shape of rectangle, and the holographic pel journal of bar shaped is on the hologram record medium.
3. holographic stereogram creating apparatus as claimed in claim 1, this device also comprise the projection optics system that is configured between mask and the hologram record medium, make by mask with reference to light as second projection of directional light for the hologram record medium.
4. holographic stereogram creating apparatus as claimed in claim 3, wherein projection optics system is an afocal optical system.
5. holographic stereogram creating apparatus, be used for thing light is applied to the one side (first face) of hologram record medium, and the another side (second face) that is applied to the hologram record medium with reference to light, so that sequentially write down each image of gun parallax image string to the hologram record medium as holographic pel
This device also comprises the projection optics system that is configured in reference on the light path of light, is used for second projection to the hologram record medium with reference to light.
6. holographic stereogram creating apparatus as claimed in claim 5, wherein projection optics system is an afocal optical system.
7. holographic three-dimensional drawing generating method, be used for thing light is applied to the one side (first face) of hologram record medium, and the another side (second face) that is applied to the hologram record medium with reference to light, so that sequentially write down each image of gun parallax image string to the hologram record medium as holographic pel
Wherein have mask configuration corresponding to holographic pel opening on the light path of reference light, make and before being applied to second of hologram record medium, pass through mask with reference to light.
8. holographic three-dimensional drawing generating method as claimed in claim 7, wherein the opening of mask has the shape of rectangle, and the holographic pel journal of bar shaped is on the hologram record medium.
9. holographic three-dimensional drawing generating method as claimed in claim 8, wherein projection optics system is configured between mask and the hologram record medium, make by mask with reference to light as second projection of directional light for the hologram record medium.
10. holographic three-dimensional drawing generating method as claimed in claim 9, wherein projection optics system is an afocal optical system.
11. holographic three-dimensional drawing generating method, be used for thing light is applied to the one side (first face) of hologram record medium, and the another side (second face) that is applied to the hologram record medium with reference to light, so that sequentially write down each image of gun parallax image string to the hologram record medium as holographic pel
Wherein projection optics system is configured on the light path with reference to light, be used for reference to light as second projection of directional light to the hologram record medium.
12. as the holographic three-dimensional drawing generating method of claim 11, wherein projection optics system is an afocal optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99110137 CN1242530A (en) | 1998-07-03 | 1999-07-02 | Holographic stereogram creating apparatus and method |
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| Application Number | Priority Date | Filing Date | Title |
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| JP189275/98 | 1998-07-03 | ||
| CN 99110137 CN1242530A (en) | 1998-07-03 | 1999-07-02 | Holographic stereogram creating apparatus and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461276C (en) * | 2004-07-07 | 2009-02-11 | 索尼株式会社 | Holographic recording device and holographic recording method |
| CN115585752A (en) * | 2022-11-29 | 2023-01-10 | 西安成立航空制造有限公司 | Detection system and method for three-dimensional quantitative digital holographic imaging |
-
1999
- 1999-07-02 CN CN 99110137 patent/CN1242530A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461276C (en) * | 2004-07-07 | 2009-02-11 | 索尼株式会社 | Holographic recording device and holographic recording method |
| CN115585752A (en) * | 2022-11-29 | 2023-01-10 | 西安成立航空制造有限公司 | Detection system and method for three-dimensional quantitative digital holographic imaging |
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