JPS58180525U - optical scanning device - Google Patents
optical scanning deviceInfo
- Publication number
- JPS58180525U JPS58180525U JP7707382U JP7707382U JPS58180525U JP S58180525 U JPS58180525 U JP S58180525U JP 7707382 U JP7707382 U JP 7707382U JP 7707382 U JP7707382 U JP 7707382U JP S58180525 U JPS58180525 U JP S58180525U
- Authority
- JP
- Japan
- Prior art keywords
- scanning device
- optical scanning
- laser
- incident
- grating
- 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
Landscapes
- Mechanical Optical Scanning Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案の１実施例を説明図的に略示する側面
図、第２図は平面ディスクを示す平面図、第３図は、表
面レリーフ格子の特性を示す図、第４図は、多モード発
振半導体レーザーの発振スペクトルの１例を示す図、第
５図は、第４図に示す発振スペクトルを有する半導体レ
ーザーの、発振波長を固定した状態の発振スペクトルを
示す図である。
１・・・平面ディスク、３・・・モーター、５・・・多
モード発振半ｓ体レーザー、６・・・コリメーターレン
ズ、７・・・表面レリーフ格子。FIG. 1 is a side view schematically illustrating an embodiment of the present invention, FIG. 2 is a plan view showing a flat disk, FIG. 3 is a diagram showing characteristics of a surface relief grating, and FIG. 5 is a diagram showing an example of the oscillation spectrum of a multimode oscillation semiconductor laser, and FIG. 5 is a diagram showing the oscillation spectrum of the semiconductor laser having the oscillation spectrum shown in FIG. 4 with the oscillation wavelength fixed. DESCRIPTION OF SYMBOLS 1... Planar disk, 3... Motor, 5... Multi-mode oscillation semi-s-body laser, 6... Collimator lens, 7... Surface relief grating.
Claims (1)
に環状に配置した平面ディスクと、この平面ディスクを
回転軸のまわりに回転させる手段と、 光源としての多モード発振半導体レーザーと、この光源
からのレーザー光を平行光束化するコリメーターレンズ
と、。 透過等間隔直線回折格子である表面レリーフ格子とを有
し、 上記コリメーターレンズによる平行光束を、表面レリー
フ格子に入射させるようにし、上記表面レリーフ格子の
態位を、この表面レリーフ格子による所定の波長の反射
１次回折光が、上記コリメーターレンズを介して、多モ
ード発振半導体レーザーの活性層に入射するように定め
、 上記表面レリーフ格子による透過１次回折光が上記平面
ディスクの回折格子もしくはホログラムに入射するよう
にしたことを特徴とする、光走査装置。[Claims for Utility Model Registration] A planar disk in which a plurality of diffraction gratings or holograms are arranged annularly around a rotation axis, means for rotating the planar disk around the rotation axis, and a multimode oscillation semiconductor as a light source. A laser and a collimator lens that collimates the laser light from this light source. and a surface relief grating which is a transmission equidistant linear diffraction grating. The reflected first-order diffracted light of the wavelength is set to be incident on the active layer of the multimode oscillation semiconductor laser via the collimator lens, and the transmitted first-order diffracted light by the surface relief grating is set to enter the diffraction grating or hologram of the flat disk. An optical scanning device characterized in that the optical scanning device is configured such that the optical beam is incident on the optical scanning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7707382U JPS58180525U (en) | 1982-05-26 | 1982-05-26 | optical scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7707382U JPS58180525U (en) | 1982-05-26 | 1982-05-26 | optical scanning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58180525U true JPS58180525U (en) | 1983-12-02 |
Family
ID=30086349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7707382U Pending JPS58180525U (en) | 1982-05-26 | 1982-05-26 | optical scanning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58180525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60233617A (en) * | 1984-05-04 | 1985-11-20 | Ricoh Co Ltd | Stabilizing method of main scanning position of optical scanning device |
| JPS6190123A (en) * | 1984-10-09 | 1986-05-08 | Yokogawa Hokushin Electric Corp | Photoscanning device using hologram |
-
1982
- 1982-05-26 JP JP7707382U patent/JPS58180525U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60233617A (en) * | 1984-05-04 | 1985-11-20 | Ricoh Co Ltd | Stabilizing method of main scanning position of optical scanning device |
| JPS6190123A (en) * | 1984-10-09 | 1986-05-08 | Yokogawa Hokushin Electric Corp | Photoscanning device using hologram |
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