CN109149342B - Laser polarizer adjusting structure - Google Patents
Laser polarizer adjusting structure Download PDFInfo
- Publication number
- CN109149342B CN109149342B CN201811304658.6A CN201811304658A CN109149342B CN 109149342 B CN109149342 B CN 109149342B CN 201811304658 A CN201811304658 A CN 201811304658A CN 109149342 B CN109149342 B CN 109149342B
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- polarizer
- fixing bolt
- base
- laser
- laser cavity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10061—Polarization control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/025—Constructional details of solid state lasers, e.g. housings or mountings
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
- Lasers (AREA)
Abstract
The invention provides a laser polarizer adjusting structure, which comprises: the laser cavity comprises a laser cavity base and a laser cavity side plate, wherein a first polarizer fixing bolt hole is formed in the laser cavity base, and a first polarizer adjusting bolt hole is formed in the laser cavity side plate; the polarizer base is arranged on the laser cavity base and is provided with a second polarizer fixing bolt hole; the polarizer fixing bolt penetrates through the second polarizer fixing bolt hole and is connected with the first polarizer fixing bolt hole, and the diameter of the polarizer fixing bolt is slightly smaller than that of the second polarizer fixing bolt hole; the polarizer adjusting bolt passes through the first polarizer adjusting bolt hole and is abutted against the side surface of the polarizer base. The invention has the beneficial effects that: the adjustment of the polarizer of the laser can be realized only through the polarizer base, the polarizer fixing bolt and the polarizer adjusting bolt, and the device has higher adjustment precision, simple structure and convenient production and debugging.
Description
Technical Field
The invention relates to the field of laser equipment, in particular to a laser polarizer adjusting structure.
Background
In electro-optic Q-switched laser equipment, when light generated by a pumping source is natural light, a polarizer is required to filter the natural light (circularly polarized light) into linearly polarized light, and the linearly polarized light can deflect after passing through a Q-switch crystal in a closed state and is reflected back through a total reflection mirror, and is perpendicular to incident light by 90 degrees, namely perpendicular to the axis of a laser working substance (crystal rod), so that resonance is avoided to the greatest extent, and the aggregation of reversed particle numbers is ensured.
When the inversion particle number of the pumping source reaches the maximum, the Q switch is turned on, the Q switch crystal does not have deflection effect on linearly polarized light, the incident light and the emergent light are parallel, and after entering the laser working substance, more high-energy particles are brought out to form laser resonance, and giant pulse is output.
The Q-switch can function as a switch, provided that linearly polarized light enters the Q-switch crystal, and that the polarizing lens must form brewster angle with the axis of the laser crystal to form linearly polarized light. In the prior art, a laser polarizer is generally fixed according to a preset position, which has two problems: (1) There is a machining error of the laser and the carrier device that assembles the laser; (2) In the practical use process, other parts of the laser can displace and deform, and based on the two problems, the polarizing lens is difficult to form a Brewster angle with the axis of the laser crystal.
Disclosure of Invention
The invention provides a laser polarizer adjusting structure, which solves the problems in the prior art.
The technical scheme of the invention is realized as follows:
A laser polarizer adjustment structure, comprising:
The laser cavity comprises a laser cavity base and a laser cavity side plate arranged on the laser cavity base, wherein a first polarizer fixing bolt hole is formed in the laser cavity base, and a first polarizer adjusting bolt hole is formed in the laser cavity side plate;
The polarizer base is rotatably arranged on the laser cavity base, the width of the polarizer base is smaller than the width of the inside of the laser cavity, a second polarizer fixing bolt hole is formed in the polarizer base, the second polarizer fixing bolt hole penetrates through the top surface and the bottom surface of the polarizer base, and the second polarizer fixing bolt hole is matched with the first polarizer fixing bolt hole;
The polarizer fixing bolt penetrates through the second polarizer fixing bolt hole to be connected with the first polarizer fixing bolt hole, and the diameter of the polarizer fixing bolt is slightly smaller than that of the second polarizer fixing bolt hole;
and the polarizer adjusting bolt passes through the first polarizer adjusting bolt hole and abuts against the side surface of the polarizer base.
Preferably, the number of the first polarizer fixing bolt holes and the second polarizer fixing bolt holes is two, and the two first polarizer fixing bolt holes and the two second polarizer fixing bolt holes are symmetrical with the central axis of the laser cavity base.
Preferably, the number of the first polarizer adjusting bolt holes is two, and the two first polarizer adjusting bolt holes are symmetrical with the central axis of the laser cavity base.
Further, the laser polarizer adjusting structure of the present invention further includes:
the polarizer adjusting shaft is arranged at the intersection point of the connecting lines of the two second polarizer fixing bolt holes and the central axis of the laser cavity base, one end of the polarizer adjusting shaft is connected with the laser cavity base, and the other end of the polarizer adjusting shaft is connected with the polarizer base.
Further, the laser polarizer adjusting structure of the present invention further includes:
the second polarizer adjusting bolt hole is formed in the side face of the polarizer base, the second polarizer adjusting bolt hole is matched with the first polarizer adjusting bolt hole, and the polarizer adjusting bolt penetrates through the first polarizer adjusting bolt hole to extend into the second polarizer adjusting bolt hole.
Preferably, the number of the second polarizer adjusting bolt holes is two, and the two second polarizer adjusting bolt holes are symmetrical with the central axis of the laser cavity base.
Further, the laser polarizer adjusting structure of the present invention further includes:
The polarizer mounting structures are arranged on the polarizer base, the number of the polarizer mounting structures is two, and the two polarizer mounting structures are symmetrical with the central axis intersection point of the laser cavity base through the connecting line of the two second polarizer fixing bolt holes.
Further, the polarizer mounting structure includes:
a first clamping post connected to the polarizer mount;
And the second clamping column is matched with the first clamping column, and is connected with the polarizer base.
Further, the laser polarizer adjusting structure of the present invention further includes:
The polarizing lens, the one end of polarizing lens sets up in a set of polarizing lens mounting structure first clamp post with between the second clamp post, the other end of polarizing lens sets up in another set of polarizing lens mounting structure first clamp post with between the second clamp post.
Preferably, the polarizing lens is in particular a rectangular polarizing lens.
The beneficial effects of the invention are as follows:
According to the adjusting structure of the laser polarizer, the adjustment of the laser polarizer can be realized only through the polarizer base, the polarizer fixing bolt and the polarizer adjusting bolt, and the adjusting structure has the advantages of high adjusting precision, simple structure and convenience in production and debugging.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a structure for adjusting a polarizer of a laser according to the present invention;
FIG. 2 is a schematic diagram of another embodiment of a polarizer adjustment structure of a laser according to the present invention;
FIG. 3 is a schematic diagram of another embodiment of a laser polarizer adjustment structure according to the present invention;
Fig. 4 is a schematic diagram of another structure of a polarizer adjustment structure of a laser according to the present invention.
In the figure:
1. A laser cavity; 101. a laser cavity base; 102. a laser cavity side plate; 103. a first polarizer adjustment bolt hole; 2. a polarizer base; 201. a second polarizer fixing bolt hole; 202. a second polarizer adjustment bolt hole; 3. a polarizer fixing bolt; 4. a polarizer adjusting bolt; 5. a polarizer adjustment axis; 6. a polarizer mounting structure; 601. a first clamping post; 602. a second clamping post; 7. a polarized lens.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-4, a laser polarizer adjusting structure according to the present invention includes:
The laser cavity 1 comprises a laser cavity base 101 and a laser cavity side plate 102 arranged on the laser cavity base 101, wherein a first polarizer fixing bolt hole is formed in the laser cavity base 101, and a first polarizer adjusting bolt hole 103 is formed in the laser cavity side plate 102;
The polarizer base 2 is rotatably arranged on the laser cavity base 101, the width of the polarizer base 2 is smaller than the width of the inside of the laser cavity 1, second polarizer fixing bolt holes 201 are formed in the polarizer base 2, the second polarizer fixing bolt holes 201 penetrate through the top surface and the bottom surface of the polarizer base 2, and the second polarizer fixing bolt holes 201 are matched with the first polarizer fixing bolt holes;
A polarizer fixing bolt 3, the polarizer fixing bolt 3 passes through the second polarizer fixing bolt hole 201 to be connected with the first polarizer fixing bolt hole, and the diameter of the polarizer fixing bolt 3 is slightly smaller than that of the second polarizer fixing bolt hole 201;
A polarizer adjusting bolt 4, the polarizer adjusting bolt 4 passes through the first polarizer adjusting bolt hole 103 to be abutted against the side surface of the polarizer base 2.
Specifically, the number of the laser cavity side plates 102 is two, the two laser cavity side plates 102 and the laser cavity base 101 are symmetrically arranged on the laser cavity base 101 along the axial direction of the laser cavity base 101, and the two laser cavity side plates 102 and the laser cavity base 101 are enclosed to form a laser cavity 1; the polarizer base 2 can rotate on the laser cavity base 101, so that the included angle of the polarized lens 7 can be adjusted; the polarizer base 2 takes the direction parallel to the axis of the laser cavity base 101 as the length direction, and takes the direction perpendicular to the axis of the laser cavity base 101 as the width direction, so that the polarizer base 2 can rotate in the laser cavity base 101 to a certain extent only when the width of the polarizer base 2 is smaller than the width of the inside of the laser cavity 1; the second polarizer fixing bolt hole 201 is matched with the first polarizer fixing bolt hole, specifically, when the polarizer fixing bolt 3 passes through the second polarizer fixing bolt hole 201, the second polarizer fixing bolt hole can be connected with the first polarizer fixing bolt hole, the diameter of the polarizer fixing bolt 3 is slightly smaller than that of the second polarizer fixing bolt hole 201, specifically, the diameter of a screw rod of the polarizer fixing bolt 3 is smaller than that of the second polarizer fixing bolt hole 201, but the diameter of a head of the polarizer fixing bolt 3 is larger than that of the second polarizer fixing bolt hole 201, so that when the polarizer fixing bolt 3 is loosened, the polarizer base 2 can be rotated to adjust the included angle of the polarizer 7, and when the polarizer 7 is adjusted to a proper position, the polarizer fixing bolt 3 is screwed again to fix the polarizer base 2 on the laser cavity base 101; the polarizer adjusting bolt 4 passes through the first polarizer adjusting bolt hole 103 to be abutted against the side surface of the polarizer base 2, specifically, the polarizer adjusting bolt 4 is loosened to supply power for the rotation of the polarizer base 2.
Preferably, the number of the first polarizer fixing bolt holes and the second polarizer fixing bolt holes 201 is two, and the two first polarizer fixing bolt holes and the two second polarizer fixing bolt holes 201 are symmetrical with the central axis of the laser cavity base 101. Since the polarizer fixing bolt 3 is connected to the first polarizer fixing bolt hole through the second polarizer fixing bolt hole 201, when the number of the first polarizer fixing bolt hole and the second polarizer fixing bolt hole 201 is two, the number of the polarizer fixing bolts 3 is also generally two. Of course, since the polarizer mount 2 is rotatably provided on the laser cavity mount 101, the fixation of the polarizer mount 2 can be achieved also when the number of the polarizer fixing bolts 3 is one. The inner sides of the first polarizer fixing bolt hole and the second polarizer fixing bolt hole 201 are provided with internal threads matched with the polarizer fixing bolt 3.
Wherein, preferably, the number of the first polarizer adjusting bolt holes 103 is two, and the two first polarizer adjusting bolt holes 103 are symmetrical with the central axis of the laser cavity base 101. Specifically, two first polarizer adjusting bolt holes 103 are respectively provided on two laser cavity side plates 102, that is, one first polarizer adjusting bolt hole 103 is provided on one laser cavity side plate 102, and the two first polarizer adjusting bolt holes 103 are symmetrical with the central axis of the laser cavity base 101. Since the polarizer adjustment bolts 4 pass through the first polarizer adjustment bolt holes 103 to abut against the side face of the polarizer base 2, when the number of first polarizer adjustment bolt holes 103 is two, the number of polarizer adjustment bolts 4 is also generally two. Of course, only one polarizer adjustment bolt 4 may be used to power rotation of the polarizer base 2 through the first polarizer adjustment bolt holes 103 on the two laser cavity side plates 102, respectively. The inner side of the first polarizer adjusting bolt hole 103 is provided with an internal thread matched with the polarizer adjusting bolt 4.
The laser polarizer adjusting structure of the present invention may further include:
And the polarizer adjusting shaft 5 is arranged at the intersection point of the connecting line of the two second polarizer fixing bolt holes 201 and the central axis of the laser cavity base 101, one end of the polarizer adjusting shaft 5 is connected with the laser cavity base 101, and the other end of the polarizer adjusting shaft 5 is connected with the polarizer base 2.
Specifically, the polarizing lens 7 rotates around the polarizing lens adjusting shaft 5, so as to adjust the included angle of the polarizing lens 7. Two ends of the polarizer adjusting shaft 5 can be respectively connected with the laser cavity base 101 and the polarizer base 2 through groove structures; the polarizer adjusting shaft 5 may also have one end integrally formed with the laser cavity base 101 and the other end connected with the polarizer base 2 through a groove structure. Of course, the two ends of the polarizer adjustment shaft 5 may also be connected to the laser cavity mount 101 and the polarizer mount 2, respectively, by other structures or components, such as bearings or the like.
The laser polarizer adjusting structure of the present invention may further include:
second polarizer adjusting bolt hole 202, second polarizer adjusting bolt hole 202 sets up on polarizer base 2 side, and second polarizer adjusting bolt hole 202 matches with first polarizer adjusting bolt hole 103, and polarizer adjusting bolt 4 passes first polarizer adjusting bolt hole 103 and stretches into in the second polarizer adjusting bolt hole 202.
Wherein, preferably, the number of the second polarizer adjusting bolt holes 202 is two, and the two second polarizer adjusting bolt holes 202 are symmetrical with the central axis of the laser cavity base 101.
The second polarizer adjustment bolt hole 202 is mainly used for positioning because the inner wall thereof does not need to be provided with an internal thread, and the depth can be set shallower.
The laser polarizer adjusting structure of the present invention may further include:
the polarizer mounting structures 6 are arranged on the polarizer base 2, the number of the polarizer mounting structures 6 is two, and the two groups of polarizer mounting structures 6 are symmetrical with the central axis intersection point of the laser cavity base 101 by the connecting line of the two second polarizer fixing bolt holes 201.
Specifically, the polarizer mounting structure 6 may be integrally formed with the polarizer base 2, or may be connected to the polarizer base 2 by a structure or manner such as a clamping connection, a threaded connection, or a welding connection.
Wherein the polarizer mounting structure 6 includes:
a first clamping post 601, the first clamping post 601 being connected to the polarizer base 2;
The second clamping post 602, the second clamping post 602 mates with the first clamping post 601, and the second clamping post 602 is connected with the polarizer base 2.
The laser polarizer adjusting structure of the present invention may further include:
And a polarizing lens 7, wherein one end of the polarizing lens 7 is arranged between the first clamping post 601 and the second clamping post 602 of one group of polarizer mounting structures 6, and the other end of the polarizing lens 7 is arranged between the first clamping post 601 and the second clamping post 602 of the other group of polarizer mounting structures 6.
Wherein, preferably, the polarized lens 7 is a rectangular polarized lens. The traditional polarized lens is a circular polarized lens, so that the processing and mounting difficulty of the circular polarized lens is high, and the processing difficulty of a fixing seat of the traditional polarized lens is high.
When the polarizer is used, the polarizer base 2 is mounted on the laser cavity base 101, the polarizer fixing bolt 3 is in an unlocked state, then the polarizer adjusting bolt 4 is adjusted, the polarizer 7 is made to be at the Brewster angle, and then the polarizer fixing bolt 3 is locked.
According to the adjusting structure of the laser polarizer, the adjustment of the laser polarizer can be realized only through the polarizer base 2, the polarizer fixing bolt 3 and the polarizer adjusting bolt 4, and the adjusting structure has the advantages of higher adjusting precision, simple structure and convenience in production and debugging.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. A laser polarizer adjustment structure, comprising:
The laser cavity (1) comprises a laser cavity base (101) and laser cavity side plates (102) arranged on the laser cavity base (101), wherein first polarizer fixing bolt holes are formed in the laser cavity base (101), first polarizer adjusting bolt holes (103) are formed in the laser cavity side plates (102), the number of the first polarizer adjusting bolt holes (103) is two, and the two first polarizer adjusting bolt holes (103) are symmetrical with the central axis of the laser cavity base (101);
The polarizer base (2) is rotatably arranged on the laser cavity base (101), the width of the polarizer base (2) is smaller than the width of the inside of the laser cavity (1), a second polarizer fixing bolt hole (201) is formed in the polarizer base (2), the second polarizer fixing bolt hole (201) penetrates through the top surface and the bottom surface of the polarizer base (2), and the second polarizer fixing bolt hole (201) is matched with the first polarizer fixing bolt hole;
A polarizer fixing bolt (3), wherein the polarizer fixing bolt (3) passes through the second polarizer fixing bolt hole (201) and is connected with the first polarizer fixing bolt hole, and the diameter of the polarizer fixing bolt (3) is slightly smaller than that of the second polarizer fixing bolt hole (201);
A polarizer adjusting bolt (4), wherein the polarizer adjusting bolt (4) passes through the first polarizer adjusting bolt hole (103) to be abutted against the side surface of the polarizer base (2);
The polarizer mounting structures (6) are arranged on the polarizer base (2), the number of the polarizer mounting structures (6) is two, and the two polarizer mounting structures (6) are symmetrical with the central axis intersection point of the laser cavity base (101) through the connecting line of the two second polarizer fixing bolt holes (201).
2. The laser polarizer adjustment structure according to claim 1, characterized in that the number of the first polarizer fixing bolt holes and the second polarizer fixing bolt holes (201) is two, and the two first polarizer fixing bolt holes and the two second polarizer fixing bolt holes (201) are symmetrical with the central axis of the laser cavity base (101).
3. The laser polarizer adjustment structure of claim 1, further comprising:
The polarizer adjusting shaft (5), the polarizer adjusting shaft (5) is arranged at the intersection point of the connecting lines of the two second polarizer fixing bolt holes (201) and the central axis of the laser cavity base (101), one end of the polarizer adjusting shaft (5) is connected with the laser cavity base (101), and the other end of the polarizer adjusting shaft (5) is connected with the polarizer base (2).
4. The laser polarizer adjustment structure of claim 1, further comprising:
The second polarizer adjusting bolt hole (202), second polarizer adjusting bolt hole (202) are arranged on the side face of the polarizer base (2), second polarizer adjusting bolt hole (202) is matched with the first polarizer adjusting bolt hole (103), and the polarizer adjusting bolt (4) penetrates through the first polarizer adjusting bolt hole (103) to extend into the second polarizer adjusting bolt hole (202).
5. The laser polarizer adjustment structure according to claim 4, characterized in that the number of second polarizer adjustment bolt holes (202) is two, and that two second polarizer adjustment bolt holes (202) are symmetrical about the central axis of the laser cavity base (101).
6. The laser polarizer adjustment structure according to claim 1, characterized in that the polarizer mounting structure (6) comprises:
a first clamping post (601), the first clamping post (601) being connected to the polarizer mount (2);
-a second clamping post (602), said second clamping post (602) being mated with said first clamping post (601), said second clamping post (602) being connected with said polarizer mount (2).
7. The laser polarizer adjustment structure of claim 6, further comprising:
Polarized lens (7), polarized lens (7) one end set up in a set of polarized lens mounting structure (6) first clamp post (601) with between second clamp post (602), polarized lens (7) the other end set up in another set of polarized lens mounting structure (6) first clamp post (601) with between second clamp post (602).
8. The laser polarizer adjustment structure according to claim 7, characterized in that the polarizing mirror (7) is in particular a rectangular polarizing mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304658.6A CN109149342B (en) | 2018-11-04 | 2018-11-04 | Laser polarizer adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304658.6A CN109149342B (en) | 2018-11-04 | 2018-11-04 | Laser polarizer adjusting structure |
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| Publication Number | Publication Date |
|---|---|
| CN109149342A CN109149342A (en) | 2019-01-04 |
| CN109149342B true CN109149342B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811304658.6A Active CN109149342B (en) | 2018-11-04 | 2018-11-04 | Laser polarizer adjusting structure |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07307517A (en) * | 1994-05-13 | 1995-11-21 | Mitsubishi Electric Corp | Laser oscillator |
| JPH11142707A (en) * | 1997-11-13 | 1999-05-28 | Advantest Corp | Fine adjusting and setting device |
| US6472651B1 (en) * | 1999-06-18 | 2002-10-29 | Fujitsu Limited | Optical information storage device having phase compensating mechanism and polarization plane rotating mechanism |
| CN101566717A (en) * | 2009-01-23 | 2009-10-28 | 武汉金运激光设备制造有限公司 | Laser lens adjusting device |
| CN201444209U (en) * | 2009-01-23 | 2010-04-28 | 武汉金运激光股份有限公司 | Lens adjusting device and laser tube equipped with same |
| CN201774134U (en) * | 2010-05-21 | 2011-03-23 | 深圳泰德激光科技有限公司 | Q-switch adjusting device and YAG laser resonant cavity |
| CN205452777U (en) * | 2015-12-30 | 2016-08-10 | 宁波中物激光与光电技术研究所 | YAG solid laser of narrow pulse width of output macro -energy |
| CN208820224U (en) * | 2018-11-04 | 2019-05-03 | 山东镭之源激光科技股份有限公司 | A kind of laser polariscope adjustment structure |
-
2018
- 2018-11-04 CN CN201811304658.6A patent/CN109149342B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07307517A (en) * | 1994-05-13 | 1995-11-21 | Mitsubishi Electric Corp | Laser oscillator |
| JPH11142707A (en) * | 1997-11-13 | 1999-05-28 | Advantest Corp | Fine adjusting and setting device |
| US6472651B1 (en) * | 1999-06-18 | 2002-10-29 | Fujitsu Limited | Optical information storage device having phase compensating mechanism and polarization plane rotating mechanism |
| CN101566717A (en) * | 2009-01-23 | 2009-10-28 | 武汉金运激光设备制造有限公司 | Laser lens adjusting device |
| CN201444209U (en) * | 2009-01-23 | 2010-04-28 | 武汉金运激光股份有限公司 | Lens adjusting device and laser tube equipped with same |
| CN201774134U (en) * | 2010-05-21 | 2011-03-23 | 深圳泰德激光科技有限公司 | Q-switch adjusting device and YAG laser resonant cavity |
| CN205452777U (en) * | 2015-12-30 | 2016-08-10 | 宁波中物激光与光电技术研究所 | YAG solid laser of narrow pulse width of output macro -energy |
| CN208820224U (en) * | 2018-11-04 | 2019-05-03 | 山东镭之源激光科技股份有限公司 | A kind of laser polariscope adjustment structure |
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| CN109149342A (en) | 2019-01-04 |
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