JPH01178907A - Optical lens adjusting jig for semiconductor laser - Google Patents
Optical lens adjusting jig for semiconductor laserInfo
- Publication number
- JPH01178907A JPH01178907A JP62334502A JP33450287A JPH01178907A JP H01178907 A JPH01178907 A JP H01178907A JP 62334502 A JP62334502 A JP 62334502A JP 33450287 A JP33450287 A JP 33450287A JP H01178907 A JPH01178907 A JP H01178907A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- knob
- optical lens
- adjustment
- hole
- 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 title claims abstract description 13
- 239000004065 semiconductor Substances 0.000 title claims description 11
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は光学レンズ等のレンズ位置調整に関するもので
あり、一つの治具で粗調整と微調整を可能にするもので
ある。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to adjusting the position of an optical lens or the like, and allows coarse adjustment and fine adjustment with one jig.
従来の技術
一般に半導体レーザの光源は、基準になる取付板に対し
て±０．２％前後のバラツキがあり、目的の距離に焦点
を絞るために±０．２前後の位置調整が必要となる。し
かし焦点径をμオーダに調整するだめには、位置調整を
μオーダまでの調整精度を必要とする。Conventional technology In general, semiconductor laser light sources have a variation of around ±0.2% with respect to the reference mounting plate, and it is necessary to adjust the position by around ±0.2% to narrow the focus to the desired distance. . However, in order to adjust the focal diameter to the μ order, the position adjustment requires precision up to the μ order.
従来は光学レンズ組立の側面にひっか＼り部を設けて偏
心ピンを具備した円筒シャフト等で調整しているため精
度よく調整することが難しい。Conventionally, a hitch is provided on the side surface of the optical lens assembly and adjustment is performed using a cylindrical shaft equipped with an eccentric pin, making it difficult to perform accurate adjustment.
発明が解決しようとする問題点
前記装置では前記偏心ピンの偏心量が大きいため微調整
ができない。又逆に前記偏心ピンの偏心量を小さくする
と調整範囲が少なくなり不能となる欠点を有している。Problems to be Solved by the Invention In the device described above, fine adjustment cannot be made because the amount of eccentricity of the eccentric pin is large. On the other hand, if the amount of eccentricity of the eccentric pin is reduced, the adjustment range becomes smaller and becomes impossible.
本発明は従来装置に見られる欠点をなくし、簡単な構造
で粗調整及び微調整をできる治具を提供するものである
。The present invention eliminates the drawbacks seen in conventional devices and provides a jig that can perform coarse and fine adjustments with a simple structure.
問題点、を解決するだめの手段
本発明は偏心穴が設けられた第１のシャフトと、前記偏
心穴の偏心量よりも少ない偏心量をもったピンが用意さ
れ、前記偏心穴に回転自在に係合する第２のシャフトと
、前記第２のシャフトに固定されたツマミとで主に構成
されてなる半導体レーザの光学レンズ調整治具を提供す
るものである。Means for Solving the Problems The present invention provides a first shaft provided with an eccentric hole, a pin having an eccentricity smaller than the eccentricity of the eccentric hole, and a pin rotatably attached to the eccentric hole. The present invention provides an optical lens adjustment jig for a semiconductor laser, which is mainly composed of an engaging second shaft and a knob fixed to the second shaft.
作用
半導体レーザの光学レンズの位置調整において、一つの
治具で粗調整及び微調整を可能にすることができる。In adjusting the position of the optical lens of the working semiconductor laser, coarse adjustment and fine adjustment can be made possible with one jig.
実施例 本発明の実施例について、以下図面に従って説明する。Example Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明の光学レンズ位置調整方法の一実施例の
全体図であり、基台３には半導体レーザ２と、レンズ６
が固定された筒４と、筒４を固定する止ビスと、凸レン
ズ７と、凸レンズ７を固定する止リング６とが組込まれ
て基台組立１が構成されている。基台３の側面に設けら
れた穴３＆に、偏心ビンＩＣ１ａが具備された調整治具
８を挿入し偏心ピン１０＆を筒４の溝４１Ｌに挿入し、
調整治具８を回転さすことにより、筒４は前後に移動し
、焦点位置Ｆの調整ができる。尚凸レンズ７は複数個の
半導体レーザを１点に集束するためのものである。FIG. 1 is an overall view of an embodiment of the optical lens position adjustment method of the present invention, in which a base 3 includes a semiconductor laser 2 and a lens 6.
The base assembly 1 is constructed by incorporating a cylinder 4 to which is fixed, a set screw for fixing the cylinder 4, a convex lens 7, and a retaining ring 6 for fixing the convex lens 7. Insert the adjustment jig 8 equipped with the eccentric pin IC1a into the hole 3& provided on the side surface of the base 3, insert the eccentric pin 10& into the groove 41L of the cylinder 4,
By rotating the adjustment jig 8, the cylinder 4 moves back and forth, and the focal position F can be adjusted. The convex lens 7 is used to focus a plurality of semiconductor lasers onto one point.
第２図は本発明の一実施例の半導体レーザの光学レンズ
調整治具の上面図、断面図及び下面図であり、第１のシ
ャフト９には偏心量１１ をもった偏心穴と、一端に
回転を容易にするためのツマミ部９ａと、他端には前記
穴３１Ｌ（第１図に図示）に係合するため円筒部９ｂと
が設けられている。FIG. 2 is a top view, a cross-sectional view, and a bottom view of an optical lens adjustment jig for a semiconductor laser according to an embodiment of the present invention. A knob portion 9a is provided to facilitate rotation, and a cylindrical portion 9b is provided at the other end to engage with the hole 31L (shown in FIG. 1).
第２のシャフト１ｏの先端には偏心量１２（１２＜１１
）をもった偏心ピン１０＆が設けられ、第１のシャフト
９の偏心穴９ｄに回転自在に係合され、第２のシャフト
１０の他端には、回転位置を表わす表示１１＆を具備し
たツマミ１１が止めどス１２により固定されている。同
第１のシャフト９のツマミ部９１Ｌ側にも表示１１２Ｌ
に対応する表示９Ｃが設けられている。The tip of the second shaft 1o has an eccentricity of 12 (12<11
), and is rotatably engaged with the eccentric hole 9d of the first shaft 9. At the other end of the second shaft 10, there is a knob 11 provided with an indication 11& representing the rotational position. is fixed by a stopper 12. 112L is also displayed on the knob 91L side of the first shaft 9.
A display 9C corresponding to the above is provided.
第１のシャフト９の円筒部９ｂを基台３の穴３ａに挿入
し偏心ピン１０＆を筒４の溝４ａに係合させ、第１のシ
ャフト９のツマミ９ＩＬと第２のシャフト１１のツマミ
１１を同時に回転させることにより、最大２×４１ の
量の範囲内でレンズ６の位置を粗調整をして、その後筒
１のシャフト９のツマミ９ａを固定し、ツマミ１１を回
転さすことにより、２×１２の量の範囲の微調整をする
ことができる。The cylindrical part 9b of the first shaft 9 is inserted into the hole 3a of the base 3, the eccentric pin 10& is engaged with the groove 4a of the cylinder 4, and the knob 9IL of the first shaft 9 and the knob 11 of the second shaft 11 are inserted. The position of the lens 6 is coarsely adjusted within the range of a maximum of 2 x 41 by rotating simultaneously, and then by fixing the knob 9a of the shaft 9 of the cylinder 1 and rotating the knob 11, Fine adjustment can be made within a range of x12 quantities.
発明の効果
上記実施例から明らかなように本発明によれば、半導体
レーザの光学レンズの位置調整において、１回のセツテ
ィングで粗調整及び微調整ができるので、効率よく調整
できる。Effects of the Invention As is clear from the embodiments described above, according to the present invention, coarse adjustment and fine adjustment can be performed in one setting in position adjustment of an optical lens of a semiconductor laser, so that adjustment can be performed efficiently.
第１図は本発明の光学レンズ位置調整方式の一実施例の
全体図で、第２図は本発明の一実施例の半導体レーザの
光学レンズ調整治具の上面図、断面図及び下面図である
。
１・・・・・・基台組立、２・・・・・・半導体レーザ
、３・・・・・・基台、３ａ・・・・・・穴、４・・・
・・・筒、４＆・・・・・・溝、６・・・・・・レンズ
、６・・・・・・止めリング、７・・・・・・凸レンズ
、８′°°゛°゛調整治具、９ ゛−−−−−第１のシ
ャフト、９２Ｌ・・・・・・ツマミ、９ｂ・・・・・・
円筒部、９ｃ・・・・・・表示、９ｄ・・・・・・偏心
穴、１ｏ・旧・・第２のシャフト、１０＆・・・、・・
偏心ピン、１１・・・・・・ツマミ、１１２Ｌ・・曲・
表示、１２・・・・・・止めビス、１１ ・・・・・
・第１のシャフトと第２のシャフト間の偏心量、１２
・・・°゛°°第２ャフトと偏心ビン間の偏心量。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名３−
基台
３σ−８
４−間
？ｂ−円＃円部
１部、ＩＩα・−表 示FIG. 1 is an overall view of an embodiment of the optical lens position adjustment method of the present invention, and FIG. 2 is a top view, a sectional view, and a bottom view of an optical lens adjustment jig for a semiconductor laser according to an embodiment of the present invention. be. 1... Base assembly, 2... Semiconductor laser, 3... Base, 3a... Hole, 4...
... tube, 4 & ... groove, 6 ... lens, 6 ... retaining ring, 7 ... convex lens, 8'°°゛°゛adjustment Jig, 9゛-----First shaft, 92L...Knob, 9b...
Cylindrical part, 9c...Display, 9d...Eccentric hole, 1o/old...Second shaft, 10&...,...
Eccentric pin, 11...Knob, 112L...Tune...
Display, 12... Set screw, 11...
・Eccentricity between the first shaft and the second shaft, 12
...°゛°°Amount of eccentricity between the second shaft and the eccentric bin. Name of agent: Patent attorney Toshio Nakao and 1 other person3-
Base 3σ-8 4-between? b-circle #circle part 1 part, IIα・-display
Claims (1)
フトの偏心穴の偏心量よりも少ない偏心量をもったピン
が具備され、前記第１のシャフトの偏心穴に回転自在に
係合する第２のシャフトと、前記第２のシャフトの前記
ピンが具備された側の反対側に固定されたツマミとで構
成され、前記第１のシャフトと前記ツマミとの回転位置
関係が表示されてなる半導体レーザの光学レンズ調整治
具。A first shaft provided with an eccentric hole, and a pin having an eccentricity smaller than the eccentricity of the eccentric hole of the first shaft, and rotatably engaged with the eccentric hole of the first shaft. and a knob fixed to the opposite side of the second shaft to the side on which the pin is provided, and the rotational positional relationship between the first shaft and the knob is displayed. Optical lens adjustment jig for semiconductor laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62334502A JPH01178907A (en) | 1987-12-29 | 1987-12-29 | Optical lens adjusting jig for semiconductor laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62334502A JPH01178907A (en) | 1987-12-29 | 1987-12-29 | Optical lens adjusting jig for semiconductor laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01178907A true JPH01178907A (en) | 1989-07-17 |
Family
ID=18278119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62334502A Pending JPH01178907A (en) | 1987-12-29 | 1987-12-29 | Optical lens adjusting jig for semiconductor laser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01178907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005193458A (en) * | 2004-01-06 | 2005-07-21 | Seiko Epson Corp | Angle adjusting mechanism for recording head, recording apparatus, and liquid jet apparatus |
-
1987
- 1987-12-29 JP JP62334502A patent/JPH01178907A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005193458A (en) * | 2004-01-06 | 2005-07-21 | Seiko Epson Corp | Angle adjusting mechanism for recording head, recording apparatus, and liquid jet apparatus |
| JP4561958B2 (en) * | 2004-01-06 | 2010-10-13 | セイコーエプソン株式会社 | Recording head angle adjusting mechanism, recording apparatus, and liquid ejecting apparatus |
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