JPH02140627U

JPH02140627U -

Info

Publication number: JPH02140627U
Application number: JP4804489U
Authority: JP
Priority date: 1989-04-24
Filing date: 1989-04-24
Publication date: 1990-11-26

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す構成図、第２
図はそのコーナーキユーブを２軸方向に駆動させ
る信号を得るための検出回路を示す回路図、第３
図は第１図の斜視図を示すものである。１…入射レンズ、２…コリメートレンズ、３…
第一ビームスプリツタ、４…コーナーキユーブ、
５…第二ビームスプリツタ、６…軸偏差光検知手
段、８…コーナーキユーブ駆動手段、９…ミラー
、１０…コリメート透過光検知手段、１１…第三
ビームスプリツタ、１２…コリメート反射光検知
手段。 Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing a detection circuit for obtaining signals to drive the corner cube in two axes.
The figure shows a perspective view of FIG. 1. 1...Incidence lens, 2...Collimating lens, 3...
1st beam splitter, 4...corner cube,
5...Second beam splitter, 6...Axis deviation light detection means, 8...Corner cube drive means, 9...Mirror, 10...Collimated transmitted light detection means, 11...Third beam splitter, 12...Collimated reflected light detection means.

Claims

[Claims for Utility Model Registration] 1. An entrance lens into which the laser beam emitted from the laser light source enters, a collimator lens provided on the optical path of the light that has passed through the entrance lens, and a laser beam formed by passing through the collimator lens. a first beam splitter provided on the optical path of the collimated light, a corner cube provided on the optical path of the light reflected by the first beam splitter, and a corner cube provided on the optical path of the light reflected by the first beam splitter; a second beam splitter provided on the optical path; an axial deviation light detection means provided on the optical path of the light transmitted through the second beam splitter; and a corner key connected to the axial deviation light detection means. An optical axis control device comprising corner cube driving means for moving the cube in a plane perpendicular to the optical axis of light incident thereon. 2. An entrance lens into which the laser beam emitted from the laser light source enters, a collimating lens provided on the optical path of the light that has passed through this entrance lens, and an optical path of the collimated light formed by passing through this collimating lens. A first beam splitter provided, a corner cube provided on the optical path of the light reflected by the first beam splitter, and a second beam splitter provided on the optical path of the light that passed through the corner cube. a beam splitter; an axial deviation light detecting means disposed on the optical path of the light transmitted through the second beam splitter; corner cube driving means for moving in a plane perpendicular to the optical axis; and collimated light formed by passing through the collimating lens is provided via a mirror on the optical path of the light transmitted through the first beam splitter. An optical axis control device comprising a collimated transmitted light detection means. 3. An entrance lens into which the laser beam emitted from the laser light source enters, a collimating lens provided on the optical path of the light that has passed through this entrance lens, and an optical path of the collimated light formed by passing through this collimating lens. A first beam splitter provided, a corner cube provided on the optical path of the light reflected by the first beam splitter, and a second beam splitter provided on the optical path of the light that passed through the corner cube. a beam splitter; an axial deviation light detecting means disposed on the optical path of the light transmitted through the second beam splitter; corner cube driving means for moving in a plane perpendicular to the optical axis; and collimated light formed by passing through the collimating lens is provided via a mirror on the optical path of the light transmitted through the first beam splitter. a third beam splitter disposed on an optical path between the collimated transmitted light detection means and the corner cube mirror where the collimated light formed by passing through the collimating lens is reflected by the first beam splitter; An optical axis control device comprising a splitter and collimated reflected light detection means disposed on the optical path of the light reflected by the third beam splitter.