JPH01163360U - - Google Patents
Info
- Publication number
- JPH01163360U JPH01163360U JP5992888U JP5992888U JPH01163360U JP H01163360 U JPH01163360 U JP H01163360U JP 5992888 U JP5992888 U JP 5992888U JP 5992888 U JP5992888 U JP 5992888U JP H01163360 U JPH01163360 U JP H01163360U
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- collimating
- semiconductor laser
- lens
- collimating lens
- 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
- 239000004065 semiconductor Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 1
Description
第１図は、本考案半導体レーザのコリメート装
置の実施例の一部を光軸を通る面で切断した平面
図、第２図は、第１図の―切断線に沿う断面
図である。
１０……半導体レーザ、１２……固定基板、１
４……半導体レーザ固定鏡胴、１６……間隔部材
、２０……コリメートレンズ、２２……コリメー
トレンズ固定鏡胴、２４……コリメートレンズ固
定鏡胴固定用板ばね。
FIG. 1 is a plan view of a part of an embodiment of the collimating device for a semiconductor laser according to the present invention, cut along a plane passing through the optical axis, and FIG. 2 is a cross-sectional view taken along the - cutting line in FIG. 10...Semiconductor laser, 12...Fixed substrate, 1
4... Semiconductor laser fixed lens barrel, 16... Spacing member, 20... Collimator lens, 22... Collimator lens fixed lens barrel, 24... Collimator lens fixed lens barrel fixing plate spring.
Claims (1)
コリメートレンズによつて平行光にするコリメー
ト装置において、 半導体レーザを、温度補正用の間隔部材を介し
て半導体レーザ固定鏡胴に取付け、コリメートレ
ンズをコリメートレンズ固定鏡胴に固定し、両固
定鏡胴を、コリメートレンズの光軸方向に相対的
に移動可能に装着すると共に、光軸方向の一部に
おいて互いに固定したことを特徴とする半導体レ
ーザのコリメート装置。 (2) 請求項１において、半導体レーザ固定鏡胴
とコリメートレンズ固定鏡胴とを固定する固定部
からコリメートレンズの焦点位置までの長さの温
度変化量と、上記固定部から半導体レーザの発光
点までの長さの温度変化量とが等しくなるように
間隔部材の材質、長さが設定されている半導体レ
ーザのコリメート装置。[Scope of claims for utility model registration] (1) Laser light emitted from a semiconductor laser,
In a collimating device that converts light into parallel light using a collimating lens, a semiconductor laser is attached to a semiconductor laser fixed lens barrel via a spacing member for temperature correction, a collimating lens is fixed to the collimating lens fixed lens barrel, and both fixed lens barrels are attached. A collimating device for a semiconductor laser, characterized in that the collimating lenses are mounted so as to be movable relative to each other in the optical axis direction of a collimating lens, and are fixed to each other in a part of the optical axis direction. (2) In claim 1, the amount of temperature change in the length from the fixed part that fixes the semiconductor laser fixed lens barrel and the collimating lens fixed lens barrel to the focal position of the collimating lens, and the light emitting point of the semiconductor laser from the fixed part to the focal point of the collimating lens. A collimating device for a semiconductor laser in which the material and length of the spacing member are set so that the amount of temperature change over the length is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5992888U JPH01163360U (en) | 1988-05-06 | 1988-05-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5992888U JPH01163360U (en) | 1988-05-06 | 1988-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01163360U true JPH01163360U (en) | 1989-11-14 |
Family
ID=31285662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5992888U Pending JPH01163360U (en) | 1988-05-06 | 1988-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01163360U (en) |
-
1988
- 1988-05-06 JP JP5992888U patent/JPH01163360U/ja active Pending
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