JPS59109083A - Manufacture of polychromic volume hologram - Google Patents
Manufacture of polychromic volume hologramInfo
- Publication number
- JPS59109083A JPS59109083A JP21872582A JP21872582A JPS59109083A JP S59109083 A JPS59109083 A JP S59109083A JP 21872582 A JP21872582 A JP 21872582A JP 21872582 A JP21872582 A JP 21872582A JP S59109083 A JPS59109083 A JP S59109083A
- Authority
- JP
- Japan
- Prior art keywords
- thickness
- dry plate
- photosensitive material
- wavelength
- distribution
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract 3
- 238000000576 coating method Methods 0.000 claims abstract 3
- 239000000758 substrate Substances 0.000 claims description 10
- 239000003086 colorant Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
Classifications
-
- 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
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/24—Processes or apparatus for obtaining an optical image from holograms using white light, e.g. rainbow holograms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、多色体積ホログラムの製造方法に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a multicolor volume hologram.
従来この種のホログラム製造方法には牙１図に示すもの
があった。Conventionally, there has been a method of manufacturing holograms of this type as shown in Fig. 1.
図において、（１）はガラス基板、（２）はこのガラス
基板１１１に塗布した感光材料、（３ｊはガラス基板は
）と感光材料（２）からなる乾板、 （４ａ）および（
４ｂ）は露光のために使用する波長λ１のレーザ光、
（５ａ）および（５ｂ）は同じく露光用の波長λ２のレ
ーザ光である。In the figure, (1) is a glass substrate, (2) is a photosensitive material coated on this glass substrate 111, (3j is a glass substrate) and a dry plate consisting of photosensitive material (2), (4a) and (
4b) is a laser beam with a wavelength λ1 used for exposure;
(5a) and (5b) are also laser beams of wavelength λ2 for exposure.
次に多色ホログラムの製造方法について説明する。まず
、ガラス基板（１１に感光材料（２）を塗布し。Next, a method for manufacturing a multicolor hologram will be explained. First, a photosensitive material (2) is applied to a glass substrate (11).
乾板（３）を製作する。感光材料（２）は露光に使用す
る波長λ、のレーザ光（４ａＸ４ｂ）および波長λ２の
レーザ光（５ａ）（５ｂ）に感度を有するものである。Make a dry plate (3). The photosensitive material (2) is sensitive to laser light (4aX4b) having a wavelength λ used for exposure and laser light (5a) (5b) having a wavelength λ2.
この乾板（３）に波長λ、のレーザ光（４ａ）と（４ｂ
）を同時に照射すると、２つのレーザ光（４ａ）（４ｂ
）による干渉縞が。Laser beams (4a) and (4b) of wavelength λ are applied to this dry plate (3).
), two laser beams (4a) (4b
) interference fringes.
感光材料（２）に記録される。引き続き、乾板（３）に
波長λ２のレーザ光（５ａ）および（５ｂ）を照射する
と、同様に干渉縞がｄ記録される。そうして２波長で記
録した乾板（３）を現像すると、波長λ】とλ２に相当
する屈折率分布あるいは濃度分布が立体的に感光材料（
２）中に生じ、波長λ１とλ２の２色の光を同時に再生
するホログラムができる。Recorded on photosensitive material (2). Subsequently, when the dry plate (3) is irradiated with laser beams (5a) and (5b) of wavelength λ2, interference fringes d are similarly recorded. When the dry plate (3) recorded at two wavelengths is developed, the refractive index distribution or density distribution corresponding to the wavelengths λ] and λ2 becomes three-dimensional in the photosensitive material (
2) A hologram is created that simultaneously reproduces two colors of light with wavelengths λ1 and λ2.
従来の製造方法は以上のようになっているためホログラ
ムの再生色の数だけ発掘ｔ＆長の異なる露光用のレーザ
光源を用意しなければならず、また再生時に色ずれが生
じないようにするため（二は。Since the conventional manufacturing method is as described above, it is necessary to prepare exposure laser light sources with different excavation lengths and lengths for the number of reproduced colors of the hologram, and to prevent color shift from occurring during reproduction. (Secondly.
露光時の各波長のレーザ光の光路が同一である必要があ
るので、露光に使用する光学系は色収差のないものを使
用し、しかも波長をかえるたびに光路を精度よく一致さ
せなければならない等の欠点があった。Since the optical path of each wavelength of laser light during exposure must be the same, the optical system used for exposure must be free of chromatic aberration, and the optical paths must be precisely matched each time the wavelength is changed. There was a drawback.
この発明は上記のような従来の方法の欠点を除去するた
めになされたもので、ガラス基板上に感光材料を多層塗
布し、１つのレーザ光源でしかも１回の露光で多色ホロ
グラムを得るものである。This invention was made in order to eliminate the drawbacks of the conventional method as described above, and it is a method in which multiple layers of photosensitive material are coated on a glass substrate, and a multicolor hologram is obtained with one laser light source and one exposure. It is.
以下この発明の一実施例について説明する。An embodiment of this invention will be described below.
牙２図において２（１）はガラス基板、 （２ａ）およ
び（２ｂ）はガラス基板（１）に塗布した互いに現像時
の厚さ変化の異なる感光材料・（３）はガラス基板（１
）と感光材料（２ａ） （２ｂ）からなる乾板、、 （
４ａ）（４ｂ）は波長λ０の露光用レーザ光、（６ａ）
（６ｂ）はそれぞれ露光時の感光材料（２ａ）（２ｂ）
の厚さ、 （７ａ）（７ｂ）はそれぞれ現像後の感光
材料（２ａ）（２ｂ）の厚さである。In Figure 2, 2 (1) is a glass substrate, (2a) and (2b) are photosensitive materials coated on the glass substrate (1) and have different thickness changes during development, and (3) is the glass substrate (1).
) and photosensitive materials (2a) (2b), (
4a) (4b) is an exposure laser beam with wavelength λ0, (6a)
(6b) is the photosensitive material (2a) and (2b) at the time of exposure, respectively.
(7a) and (7b) are the thicknesses of the photosensitive materials (2a) and (2b) after development, respectively.
翫
薫ず、ガラス基板（１）に現像時の厚さ変化の異なる感
光材料（２ａ） （２ｂ）を塗布し乾板（３）を製作す
る。A photosensitive material (2a) (2b) having different thickness changes during development is coated on a glass substrate (1) to produce a dry plate (3).
乾板（３）に波長λ。のレーザ光（４ａ） （４ｂ）を
同時に照射すると、２つのレーザ光（４ａ）（４ｂ）に
よる干渉縞が感光材料（２ａ）（２ｂ）に記録される。Wavelength λ is placed on the dry plate (3). When the two laser beams (4a) and (4b) are irradiated simultaneously, interference fringes due to the two laser beams (4a and 4b) are recorded on the photosensitive material (2a and 2b).
こうして露光した乾板（３）を現像すると、感光材料（
２ａ）（２ｂ）中に干渉縞の位置に相当する屈折率分布
あるいは濃度分布ができるが、現像により、感光材料（
２ａ）の厚み（６ａ）は（７３）に変化し、感光材料（
２ｂ）お厚み（６ｂ）は（７ｂ）に変化するので、この
厚さの変化にしたがって干渉縞により生じた屈折率分布
あるいは濃度分布も厚さ方向に拡大または縮小され再生
波長も変化する。感光材料（２ａ）による再生波長をλ
３．−感光材料（２ｂ）による再生波長をλｂとすると
の関係がある。ただしｋは比例定数である。したがって
、感光材料（２ａ）（２ｂ）の現像による厚さ変化を異
なるようにすると
λａ〜λｂ
とすることができる。When the dry plate (3) exposed in this way is developed, the photosensitive material (
2a) A refractive index distribution or concentration distribution corresponding to the position of interference fringes is created in (2b), but due to development, the photosensitive material (
The thickness (6a) of 2a) changes to (73), and the thickness of the photosensitive material (
2b) Since the thickness (6b) changes to (7b), the refractive index distribution or concentration distribution generated by the interference fringes also expands or contracts in the thickness direction and the reproduction wavelength also changes according to this change in thickness. The reproduction wavelength by the photosensitive material (2a) is λ
3. - There is a relationship where the reproduction wavelength by the photosensitive material (2b) is λb. However, k is a proportionality constant. Therefore, if the thickness changes due to development of the photosensitive materials (2a) and (2b) are made different, it is possible to set the thickness to λa to λb.
なお以上は２色のホログラムの製造について説明したが
、感光材料の層の数を謂ずことにより。Although the above description has been made regarding the production of a two-color hologram, the number of layers of the photosensitive material has not been mentioned.
３色以上のホログラムも同様に製造できる。Holograms with three or more colors can also be produced in the same way.
以上のように、この発明の方法によれば、現１象時に厚
さの変化１猜が互いに異なる感光材料を多層塗布するの
で、１つのレーザ光源で、しかも１回の露光で多色体積
ホログラムが製造できる。As described above, according to the method of the present invention, multiple layers of photosensitive materials with different thickness changes are applied during a phenomenon, so that a multicolor volume hologram can be produced using one laser light source and one exposure. can be manufactured.
矛１図は従来の多色体積ホログラムの製造方法を示す図
、矛２図はこの発明の一実施例による多色体積ホログラ
ムの製造方法を示す図であり・（１）はガラス基板・（
２）は感光材料、 （２ａ）および（２ｂ）は現像時に
厚さの変化する感光材料、（３）は乾板、（４ａ）およ
び（４ｂ）は波長λ１またはλ０のレーザ光、 （５ａ
）おおび（５ｂ）は波長λ２のレーザ光、 （６ａ）
および（６ｂ）は露光時の感光材料の厚さ・（７ａ）お
よび（７ｂ）は現像後の感光材料の厚さである。
なお・図中・同一符号は同一、または相当部分を示す。
代理人 葛 野 １ぎ −Figure 1 is a diagram showing a conventional method for manufacturing a multicolor volume hologram, and Figure 2 is a diagram showing a method for manufacturing a multicolor volume hologram according to an embodiment of the present invention.
2) is a photosensitive material, (2a) and (2b) are photosensitive materials whose thickness changes during development, (3) is a dry plate, (4a) and (4b) are laser beams with wavelength λ1 or λ0, (5a)
) and (5b) are laser beams with wavelength λ2, (6a)
and (6b) are the thicknesses of the photosensitive material upon exposure, and (7a) and (7b) are the thicknesses of the photosensitive material after development. Note that the same reference numerals in the figures indicate the same or equivalent parts. Agent Ichigi Kuzuno -
Claims (1)
板に多層塗布して乾板を形成し、この乾板に対する１回
のレーザ光による４光で、２色以上の色で再生できるホ
ログラムを得ることを特徴・とする多色体積ホログラム
の製造方法。To obtain a hologram that can be reproduced in two or more colors by forming a dry plate by coating a glass substrate with multiple layers of photosensitive materials having different amounts of thickness change during development, and by applying four laser beams to the dry plate in one shot. A method for producing a multicolor volume hologram characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21872582A JPS59109083A (en) | 1982-12-14 | 1982-12-14 | Manufacture of polychromic volume hologram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21872582A JPS59109083A (en) | 1982-12-14 | 1982-12-14 | Manufacture of polychromic volume hologram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59109083A true JPS59109083A (en) | 1984-06-23 |
Family
ID=16724455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21872582A Pending JPS59109083A (en) | 1982-12-14 | 1982-12-14 | Manufacture of polychromic volume hologram |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59109083A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63305381A (en) * | 1987-06-06 | 1988-12-13 | Dainippon Printing Co Ltd | Color hologram and its production |
| JPH01128085A (en) * | 1987-11-13 | 1989-05-19 | Dainippon Printing Co Ltd | Color hologram and its production |
| US7579119B2 (en) * | 1992-11-27 | 2009-08-25 | Dai Nippon Printing Co., Ltd. | Hologram recording sheet, holographic optical element using said sheet, and its production process |
-
1982
- 1982-12-14 JP JP21872582A patent/JPS59109083A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63305381A (en) * | 1987-06-06 | 1988-12-13 | Dainippon Printing Co Ltd | Color hologram and its production |
| JPH01128085A (en) * | 1987-11-13 | 1989-05-19 | Dainippon Printing Co Ltd | Color hologram and its production |
| US7579119B2 (en) * | 1992-11-27 | 2009-08-25 | Dai Nippon Printing Co., Ltd. | Hologram recording sheet, holographic optical element using said sheet, and its production process |
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