JPH04194904A - Optical axis adjusting device - Google Patents
Optical axis adjusting deviceInfo
- Publication number
- JPH04194904A JPH04194904A JP32867790A JP32867790A JPH04194904A JP H04194904 A JPH04194904 A JP H04194904A JP 32867790 A JP32867790 A JP 32867790A JP 32867790 A JP32867790 A JP 32867790A JP H04194904 A JPH04194904 A JP H04194904A
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- axis
- optical
- optical element
- central axis
- 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 102
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000004904 shortening Methods 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、光学系の光軸を調整する光軸調整装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an optical axis adjusting device for adjusting the optical axis of an optical system.
従来の技術
従来より、発光及び受光素子の光軸調整装置は第６図に
示すように光学素子中心軸が基準軸と合致するよう前後
２力所合計６本の調整ネジを押し引きして角度を調整し
固定するものであった。Conventional technology Conventionally, as shown in Figure 6, optical axis adjustment devices for light emitting and light receiving elements have been used to adjust the angle by pushing and pulling a total of six adjustment screws at two front and rear locations so that the center axis of the optical element coincides with the reference axis. It was intended to be adjusted and fixed.
以下、簡単にその構成を説明する。The configuration will be briefly explained below.
第６図で６１は光学素子、６２は調整ネジ、６３はリン
グ、６４はベースプレートである。In FIG. 6, 61 is an optical element, 62 is an adjustment screw, 63 is a ring, and 64 is a base plate.
以上のような構成において、前後どちらかの下側２本の
調整ネジを同時に同一量調整すると光学素子は基準光軸
に垂直な面内で回転する。また下側のどれか一本のネジ
を調整すると任意の方向へ光学素子を向けることができ
る。In the above configuration, when the two lower adjustment screws on either the front or rear sides are adjusted by the same amount at the same time, the optical element rotates in a plane perpendicular to the reference optical axis. Also, by adjusting one of the screws on the bottom, you can direct the optical element in any direction.
発明が解決しようとする課題
しかし、従来の光軸調整装置は基準光軸と光学素子中心
軸の成す角度、方向かわからず６本のネジを繰り返し調
整しなければならず、調整か難しい、時間がかかるとい
う課題かあった。Problems to be Solved by the Invention However, with conventional optical axis adjustment devices, six screws must be repeatedly adjusted without knowing the angle and direction between the reference optical axis and the central axis of the optical element, making adjustment difficult and time consuming. There was an issue that it took a lot of time.
本発明は、上記課題を解決するために第１の目的は基準
光軸と光学素子中心軸の成す角度を検知し、次にその角
度をキャンセルする光軸調整装置を提供するものである
。In order to solve the above problems, the first object of the present invention is to provide an optical axis adjustment device that detects the angle formed between the reference optical axis and the central axis of an optical element, and then cancels the angle.
課題を解決するための手段
上記目的を達成するために本発明の技術的解決手段は、
基準光軸と光学素子中心軸とか成す角度を検知するため
基準光軸回りに光学素子を回転させる回転機構と、前記
光学素子を基準光軸に直交する軸を中心に回転させその
成す角度をキャンセルする回転機構とを有し光軸調整か
行える構造としている。Means for Solving the Problems In order to achieve the above object, the technical solution of the present invention is as follows:
A rotation mechanism that rotates the optical element around the reference optical axis in order to detect the angle formed between the reference optical axis and the central axis of the optical element, and a rotation mechanism that rotates the optical element around an axis perpendicular to the reference optical axis to cancel the angle formed. It has a rotating mechanism that allows for optical axis adjustment.
作用
本発明は上記手段において、基準光軸回りに光学素子を
回転さぜ、さらに光学素子を基準光軸に直交する軸中心
に回転させ光軸調整することにより、確実な調整、調整
時間の短縮を可能にする。In the above means, the present invention rotates the optical element around the reference optical axis, and further rotates the optical element around an axis perpendicular to the reference optical axis to adjust the optical axis, thereby ensuring reliable adjustment and shortening the adjustment time. enable.
実施例
以下、図面を参照しながら本発明の第１の実施例につい
て説明する。EXAMPLE A first example of the present invention will be described below with reference to the drawings.
第１図は本光軸調整装置の基本概念図である。FIG. 1 is a basic conceptual diagram of the present optical axis adjustment device.
また第２図は本発明で光学素子か発光素子である場合の
、概念図、第３図は光学素子か受光素子である場合の概
念図、第４図は具体的な実施例の斜視図である。第１図
において、１］−は基準光軸、１２は光学素子中心軸の
１つの例、１３は光学素子中心軸か１回転したときの軌
跡、１３ａは光学素子中心軸が基準光軸を含む垂直面の
下側にきたときの位置、１４は１３ａに光学素子中心軸
かあるときの光学素子の位置である。また、第２図にお
いて、１５は出射光、１６は出射光軸軌跡、１６ａは光
学素子中心軸か１．３ ａにある時の出射光位置である
。さらに、第４図において、４１は光学素子、４２は光
学素子保持部材、４３は光学素子固定ネジ、４４はベー
ス、４５は光学素子保持部材の回転軸、４６は角度調整
ネジである。Furthermore, Fig. 2 is a conceptual diagram of the present invention when it is an optical element or a light emitting element, Fig. 3 is a conceptual diagram when it is an optical element or a light receiving element, and Fig. 4 is a perspective view of a specific example. be. In FIG. 1, 1]- is the reference optical axis, 12 is an example of the optical element central axis, 13 is the trajectory when the optical element central axis rotates once, and 13a is the optical element central axis that includes the reference optical axis. 14 is the position of the optical element when the central axis of the optical element is at 13a. Further, in FIG. 2, 15 is the emitted light, 16 is the emitted optical axis locus, and 16a is the emitted light position when the central axis of the optical element is at 1.3 a. Furthermore, in FIG. 4, 41 is an optical element, 42 is an optical element holding member, 43 is an optical element fixing screw, 44 is a base, 45 is a rotation axis of the optical element holding member, and 46 is an angle adjustment screw.
以」二のような構成において、以下に動作を説明する。In the following configuration, the operation will be explained below.
第１図において、光学素子１４を回転させると基準光軸
１１と光学素子中心軸１２との成す角により光学素子中
心軸の軌跡１３が得られえる。この光学素子中心軸の軌
跡１３は光学素子が発光素子であれば第２図に示すよう
に出射光の軌跡１６に対応して得られ、１６ａに対応す
る位置として１３ａが得られる。また光学素子か受光素
子であれば第３図のように受光素子１４上に軌跡が現れ
る。受光素子が、入射光の受光素子への入射位置に応じ
た出力を発生する、いわゆるＰＳＤ ［ポジション セ
ンシング デテクタ（ＰｏｓｉｔｉｏｎＳｅｎｓｉｎｇ
Ｄｅｔｅｃｔｏｒｓ）］であれば２つの出力の差が
最大となる位置の１つが１３ａとなる。In FIG. 1, when the optical element 14 is rotated, a locus 13 of the optical element central axis can be obtained from the angle formed by the reference optical axis 11 and the optical element central axis 12. If the optical element is a light emitting element, the locus 13 of the central axis of the optical element is obtained corresponding to the locus 16 of the emitted light as shown in FIG. 2, and 13a is obtained as a position corresponding to 16a. Further, if it is an optical element or a light receiving element, a locus appears on the light receiving element 14 as shown in FIG. A so-called PSD (Position Sensing Detector) in which a light receiving element generates an output according to the position of incidence of incident light on the light receiving element.
Detectors)], one of the positions where the difference between the two outputs is maximum is 13a.
１３ａの位置に光学素子を設置した状態で光学素子後部
を持ち上げ、基準光軸と光学素子中心軸との角度をなく
し平行にすることができる。With the optical element installed at the position 13a, the rear part of the optical element can be lifted to eliminate the angle between the reference optical axis and the central axis of the optical element and make them parallel.
第１の実施例においては光学素子４１を第１図の１．３
ａに対応する位置まで回転させ光学素子固定ネジ４３
にて固定する。次に角度調整ネジ４６により光学素子中
心軸が基準光軸と平行となるよう調整する。In the first embodiment, the optical element 41 is 1.3 in FIG.
Rotate the optical element fixing screw 43 to the position corresponding to a.
Fix it with. Next, the angle adjustment screw 46 is used to adjust the center axis of the optical element to be parallel to the reference optical axis.
以上の説明から明らかなように本実施例によれば、基準
光軸に対する光学素子中心軸の成す角度の大きさ、位置
が明確にわかり調整が早く確実に行えることができる。As is clear from the above description, according to this embodiment, the size and position of the angle formed by the central axis of the optical element with respect to the reference optical axis can be clearly determined, and adjustment can be performed quickly and reliably.
次に本発明の第２の実施例について説明する。Next, a second embodiment of the present invention will be described.
第５図において第４図の構成と異なる点は、水平移動ス
テージ４７及び垂直移動ステージ４８の２軸のステージ
を設けた点で、基準軸に平行に調整された光学素子をス
テージにより移動させ光学素子中心軸を基準軸と一致さ
せることかできる。5 differs from the configuration in FIG. 4 in that a two-axis stage, a horizontal movement stage 47 and a vertical movement stage 48, is provided, and an optical element adjusted parallel to the reference axis is moved by the stage, and the optical element is moved by the stage. It is possible to make the element center axis coincide with the reference axis.
発明の効果
以上のように本発明は、基準光軸回りに光学素子を回転
させることにより基準光軸と光学素子中心軸とが成す角
度と方向を検知し、次に光学素子を基準光軸と直交する
軸を中心に回転させその成す角度をキャンセルさせるよ
う光軸調整することにより、光軸調整の確実性の向上、
調整作業の簡易化により時間短縮が行え、その効果は大
きい。Effects of the Invention As described above, the present invention detects the angle and direction formed by the reference optical axis and the optical element central axis by rotating the optical element around the reference optical axis, and then rotates the optical element around the reference optical axis. By adjusting the optical axis so that it rotates around orthogonal axes and canceling the angle formed, the reliability of optical axis adjustment is improved.
By simplifying the adjustment work, time can be shortened, and the effect is significant.
【図面の簡単な説明】
第１図は本発明の一実施例における光軸調整装置の基本
概念図、第２図は同装置において光学素子が発光素子で
あるときの概念図、第３図は同装置において光学素子が
受光素子であるときの概念図、第４図は本発明のより具
体的な第１の実施例における斜視図、第５図は本発明の
第２図の実施例における斜視図、第６図は従来の光軸調
整装置の斜視図である。
１１・・・基準光軸、１２・・・光学素子中心軸、１３
・・・軌跡、１４・・・光学素子、１５・・・出射光、
１６・・・出射光軸軌跡。
第 １ 図
〃尤竿庖子[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a basic conceptual diagram of an optical axis adjustment device in an embodiment of the present invention, Fig. 2 is a conceptual diagram of the same device when the optical element is a light emitting element, and Fig. 3 is a conceptual diagram of the optical axis adjusting device according to an embodiment of the present invention. A conceptual diagram when the optical element is a light receiving element in the device, FIG. 4 is a perspective view of a more specific first embodiment of the present invention, and FIG. 5 is a perspective view of the embodiment of the present invention shown in FIG. FIG. 6 is a perspective view of a conventional optical axis adjustment device. 11... Reference optical axis, 12... Optical element central axis, 13
... Trajectory, 14... Optical element, 15... Outgoing light,
16...Emission optical axis locus. Figure 1.
Claims (1)
するために基準光軸回りに光学素子を回転させる回転機
構と、前記光学素子を基準光軸と直交する軸を中心に回
転させその成す角度をキャンセルさせる回転機構とを有
する光軸調整装置。a rotation mechanism that rotates an optical element around a reference optical axis in order to detect the angle and direction formed by the reference optical axis and the optical element central axis; and a rotation mechanism that rotates the optical element around an axis perpendicular to the reference optical axis. An optical axis adjustment device having a rotation mechanism that cancels the angle formed by the optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32867790A JPH04194904A (en) | 1990-11-27 | 1990-11-27 | Optical axis adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32867790A JPH04194904A (en) | 1990-11-27 | 1990-11-27 | Optical axis adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04194904A true JPH04194904A (en) | 1992-07-14 |
Family
ID=18212933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32867790A Pending JPH04194904A (en) | 1990-11-27 | 1990-11-27 | Optical axis adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04194904A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002098624A (en) * | 2000-09-22 | 2002-04-05 | Horiba Ltd | Scattering-type particle diameter distribution measuring device |
| JP2024022454A (en) * | 2022-08-05 | 2024-02-16 | 山西▲漢▼威激光科技股▲ふん▼有限公司 | Two-axis optical lens angle adjustment device |
-
1990
- 1990-11-27 JP JP32867790A patent/JPH04194904A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002098624A (en) * | 2000-09-22 | 2002-04-05 | Horiba Ltd | Scattering-type particle diameter distribution measuring device |
| JP2024022454A (en) * | 2022-08-05 | 2024-02-16 | 山西▲漢▼威激光科技股▲ふん▼有限公司 | Two-axis optical lens angle adjustment device |
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