JPH028290B2 - - Google Patents
Info
- Publication number
- JPH028290B2 JPH028290B2 JP18279585A JP18279585A JPH028290B2 JP H028290 B2 JPH028290 B2 JP H028290B2 JP 18279585 A JP18279585 A JP 18279585A JP 18279585 A JP18279585 A JP 18279585A JP H028290 B2 JPH028290 B2 JP H028290B2
- Authority
- JP
- Japan
- Prior art keywords
- spatial light
- light modulation
- organic film
- modulation tube
- photocathode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000126 substance Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 230000001427 coherent effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- XJCVRTZCHMZPBD-UHFFFAOYSA-N 3-nitroaniline Chemical compound NC1=CC=CC([N+]([O-])=O)=C1 XJCVRTZCHMZPBD-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- KDEDDPRZIDYFOB-UHFFFAOYSA-N n-methyl-n-phenylnitramide Chemical compound [O-][N+](=O)N(C)C1=CC=CC=C1 KDEDDPRZIDYFOB-UHFFFAOYSA-N 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は、真空容器中に光電面や電子銃等の電
子源と、表面に付着した電子による電界の変化に
よりその光学的性質が変化する有機フイルムを設
けて構成した空間光変調管に関する。Detailed Description of the Invention (Industrial Field of Application) The present invention is characterized in that an electron source such as a photocathode or an electron gun is placed in a vacuum container, and its optical properties change due to changes in the electric field caused by electrons attached to the surface. The present invention relates to a spatial light modulation tube configured with an organic film.
(従来の技術)
従来の空間光変調管は、真空容器中に形成され
た電子源と、それから放出された電子を表面に与
えられて屈折率(複屈折性)が変化する電気光学
結晶を用いて構成されている。(Prior Art) A conventional spatial light modulation tube uses an electron source formed in a vacuum container and an electro-optic crystal whose refractive index (birefringence) changes when the electrons emitted from the source are applied to the surface. It is composed of
この方式では、解像度を良好にするためには結
晶を非常に薄く加工する必要がある。 In this method, it is necessary to process the crystal to be extremely thin in order to obtain good resolution.
結晶を薄くすると書き込み電荷量が増し、応答
速度が遅くなるおそれがある。 If the crystal is made thinner, the amount of write charge will increase and the response speed may become slower.
そこで、最近電気光学結晶のかわりに、有機フ
イルムを利用しようとする試みがある。 Recently, attempts have been made to use organic films instead of electro-optic crystals.
(発明が解決しようとする問題点)
ところが、前記有機フイルムを用いる空間光変
調管では、有機物質が真空容器中に封入されるこ
とになるから、その有機物質からガスが放出され
る。(Problems to be Solved by the Invention) However, in the spatial light modulation tube using the organic film, since the organic substance is sealed in a vacuum container, gas is released from the organic substance.
このガスが、光電面作製の妨げとなつたり、光
電面作製後においても、光電面感度を低下させる
おそれがある。 This gas may interfere with the production of the photocathode or reduce the sensitivity of the photocathode even after the production of the photocathode.
また、電子源として光電面のかわりに電子銃を
用いる空間光変調管においても、前記有機物質か
らのガス放出により装置の寿命を損なうおそれが
ある。 Furthermore, even in a spatial light modulation tube that uses an electron gun instead of a photocathode as an electron source, the life of the device may be shortened due to gas emission from the organic substance.
本発明の目的は、前述した有機フイルムを用い
た空間光変調管における前記ガスの発生に関連す
る問題を解決した空間光変調管を提供することに
ある。 SUMMARY OF THE INVENTION An object of the present invention is to provide a spatial light modulation tube that solves the problems associated with gas generation in the above-mentioned spatial light modulation tube using an organic film.
(問題を解決するための手段)
前記目的を達成するために、本発明による空間
光変調管は、真空容器中に形成された電子源から
の電子が表面に与えられることにより光学的変化
を生ずる有機フイルムを用いた空間光変調管にお
いて、前記有機フイルムを透明電極を介して基板
に固定し、その表面を蒸気圧の低い物質でコーテ
イングして覆い密封層を形成して構成されてい
る。(Means for Solving the Problem) In order to achieve the above object, the spatial light modulation tube according to the present invention produces an optical change by applying electrons from an electron source formed in a vacuum container to the surface. In a spatial light modulation tube using an organic film, the organic film is fixed to a substrate via a transparent electrode, and its surface is coated with a substance having a low vapor pressure to form a sealing layer.
(実施例)
以下、図面等を参照して本発明をさらに詳しく
説明する。(Example) Hereinafter, the present invention will be described in more detail with reference to the drawings and the like.
第1図は本発明による空間光変調管の使用例を
示す略図である。まず、この図面により動作原理
等を簡単に説明する。 FIG. 1 is a schematic diagram illustrating an example of the use of a spatial light modulation tube according to the present invention. First, the operating principle etc. will be briefly explained with reference to this drawing.
インコヒーレント光像1は、レンズ2で空間光
変調管3の光電面4に投影される。 The incoherent optical image 1 is projected by a lens 2 onto a photocathode 4 of a spatial light modulation tube 3.
光電面4からは像1に対応した光電子が放出さ
れ、マイクロチヤンネルプレート5によつて増倍
された後、有機フイルム7の表面に電荷像として
蓄積される。 Photoelectrons corresponding to the image 1 are emitted from the photocathode 4, multiplied by the microchannel plate 5, and then accumulated on the surface of the organic film 7 as a charge image.
この有機フイルム7はメタニトロアニリンのフ
イルムで、前記電荷像により有機フイルム7に像
に対応する屈折率の変化が生じる。 The organic film 7 is a metanitroaniline film, and the charge image causes a change in the refractive index of the organic film 7 corresponding to the image.
そこで、レーザ光10を出力ガラス窓8を通し
て有機フイルム7に照射すると、有機フイルム7
の中でレーザ光は変調され、出力にコヒーレント
像11が得られる。 Therefore, when the organic film 7 is irradiated with the laser beam 10 through the output glass window 8, the organic film 7
The laser light is modulated in the laser beam, and a coherent image 11 is obtained as an output.
このようなコヒーレント像はコヒーレント並列
光演算に使用される。 Such coherent images are used for coherent parallel optical operations.
第2図は有機フイルムと基板の固定構造の実施
例を示す断面図である。 FIG. 2 is a sectional view showing an embodiment of the fixing structure of the organic film and the substrate.
有機フイルム7は基板となる出力ガラス面板8
に、透明導電膜(ITO)101を介して接着剤
(紫外線硬化接着剤)103で接着されている。 The organic film 7 is an output glass face plate 8 which becomes a substrate.
are bonded to each other with an adhesive (ultraviolet curing adhesive) 103 via a transparent conductive film (ITO) 101.
あるいは、有機フイルムは透明導電膜(ITO)
上に蒸発法などにより直接形成されている。その
動、SiO2を、高周波スパツタで一面にコーテイ
ングする。 Alternatively, organic film is transparent conductive film (ITO)
It is formed directly on top by evaporation method etc. The process is to coat the entire surface with SiO 2 using a high-frequency sputter.
このとき、SiO2層を一層蒸着するだけでなく、
SiO2とZrO2のように高低屈折率物質を交互に蒸
着し、誘電体ミラーとすることもできる。有機フ
イルムとして、前記のほか、尿素、メチルニトロ
アニリンなども用いることができる。 At this time, in addition to depositing two layers of SiO,
A dielectric mirror can also be obtained by alternately depositing high and low refractive index materials such as SiO 2 and ZrO 2 . In addition to the above, urea, methylnitroaniline, etc. can also be used as the organic film.
(発明の効果)
以上説明したように、本発明による空間光変調
管は、電気光学効果を持つ有機物質の表面を低蒸
気圧物質で覆つてしまうので、有機物質からのガ
ス放出を完全に防止できる。(Effects of the Invention) As explained above, the spatial light modulation tube according to the present invention covers the surface of the organic substance having an electro-optical effect with a low vapor pressure substance, completely preventing gas release from the organic substance. can.
そのため、光電面作製の妨げとなるガスの発生
は防止され、また光電面の感度低下を防止でき
る。 Therefore, the generation of gas that would impede the production of the photocathode can be prevented, and a decrease in the sensitivity of the photocathode can also be prevented.
また電子源として電子銃を用いる空間光変調管
においても、寿命の低下を防止できる。 Further, even in a spatial light modulation tube that uses an electron gun as an electron source, reduction in lifetime can be prevented.
第1図は本発明による空間光変調管の実施例の
使用例を示す略図である。第2図は、本発明の実
施例で、出力部の断面を示す図である。
1……インコヒーレント像、2……レンズ、3
……空間光変調管、4……光電面、5……マイク
ロチヤンネルプレート、6……メツシユ電極、7
……有機フイルム、8……出力ガラス面板、9…
…ハーフミラー、10……レーザ光、101……
透明導電膜、102……SiO2膜、103……接
着剤層、11……コヒーレント光像。
FIG. 1 is a schematic diagram illustrating the use of an embodiment of a spatial light modulation tube according to the invention. FIG. 2 is a diagram showing a cross section of an output section in an embodiment of the present invention. 1...Incoherent image, 2...Lens, 3
... Spatial light modulation tube, 4 ... Photocathode, 5 ... Microchannel plate, 6 ... Mesh electrode, 7
...Organic film, 8... Output glass face plate, 9...
...Half mirror, 10...Laser light, 101...
Transparent conductive film, 102...SiO 2 film, 103... Adhesive layer, 11... Coherent optical image.
Claims (1)
表面に与えられることにより光学的変化を生ずる
有機フイルムを用いた空間光変調管において、前
記有機フイルムを透明電極を介して基板に固定
し、その表面を蒸気圧の低い物質でコーテイング
して覆い密封層を形成して構成したことを特徴と
する空間光変調管。1. In a spatial light modulation tube using an organic film that causes an optical change when electrons from an electron source formed in a vacuum container are applied to the surface, the organic film is fixed to a substrate via a transparent electrode, A spatial light modulation tube characterized in that its surface is coated with a substance having low vapor pressure to form a sealing layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18279585A JPS6242118A (en) | 1985-08-20 | 1985-08-20 | Spatial optical modulating tube |
| US06/887,610 US4741602A (en) | 1985-08-20 | 1986-07-21 | Spatial light modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18279585A JPS6242118A (en) | 1985-08-20 | 1985-08-20 | Spatial optical modulating tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6242118A JPS6242118A (en) | 1987-02-24 |
| JPH028290B2 true JPH028290B2 (en) | 1990-02-23 |
Family
ID=16124550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18279585A Granted JPS6242118A (en) | 1985-08-20 | 1985-08-20 | Spatial optical modulating tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6242118A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05103399A (en) * | 1991-10-03 | 1993-04-23 | Fujitsu Ten Ltd | Digital audio signal processor |
-
1985
- 1985-08-20 JP JP18279585A patent/JPS6242118A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05103399A (en) * | 1991-10-03 | 1993-04-23 | Fujitsu Ten Ltd | Digital audio signal processor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6242118A (en) | 1987-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |