JPS6216902U - - Google Patents
Info
- Publication number
- JPS6216902U JPS6216902U JP10824685U JP10824685U JPS6216902U JP S6216902 U JPS6216902 U JP S6216902U JP 10824685 U JP10824685 U JP 10824685U JP 10824685 U JP10824685 U JP 10824685U JP S6216902 U JPS6216902 U JP S6216902U
- Authority
- JP
- Japan
- Prior art keywords
- light
- substrate
- separation element
- absorption film
- light separation
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Optical Head (AREA)
Description
第１図は本考案による光分離素子の一実施例を
示す図、第２図は従来の一般的な複数ビーム光ヘ
ツドの構成図である。
１０……光分離素子、１１…光吸収膜、１２…
…基板、１３……穴、２０ａ，２０ｂ，２０ｃ，
２０ｄ……レーザ光、２１ａ，２１ｂ……半導体
レーザ、２２……コリメータレンズ、２３……偏
光ビームスプリツタ、２４……１／４波長板、２
５……アクチユエータ、２６……収束レンズ、２
７……記録媒体、２８……レンズ、２９……ピン
ホール、３０……検出系。
FIG. 1 is a diagram showing an embodiment of the optical separation device according to the present invention, and FIG. 2 is a diagram showing the configuration of a conventional general multi-beam optical head. 10... Light separation element, 11... Light absorption film, 12...
...Substrate, 13... Hole, 20a, 20b, 20c,
20d...Laser light, 21a, 21b...Semiconductor laser, 22...Collimator lens, 23...Polarizing beam splitter, 24...1/4 wavelength plate, 2
5... Actuator, 26... Converging lens, 2
7... Recording medium, 28... Lens, 29... Pinhole, 30... Detection system.
Claims (1)
て、光を透過する基板と、この基板上に形成され
、所定光パワー以上の光照射によつて化学的およ
びまたは物理的変化を生じ消失する光吸収膜とか
ら成ることを特徴とする光分離素子。 A light separation element that separates the optical paths of multiple beams, and includes a substrate that transmits light, and light formed on this substrate that undergoes chemical and/or physical changes and disappears when irradiated with light of a predetermined optical power or more. A light separation element characterized by comprising an absorption film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10824685U JPS6216902U (en) | 1985-07-17 | 1985-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10824685U JPS6216902U (en) | 1985-07-17 | 1985-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6216902U true JPS6216902U (en) | 1987-01-31 |
Family
ID=30985261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10824685U Pending JPS6216902U (en) | 1985-07-17 | 1985-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6216902U (en) |
-
1985
- 1985-07-17 JP JP10824685U patent/JPS6216902U/ja active Pending