JPH0317658U - - Google Patents
Info
- Publication number
- JPH0317658U JPH0317658U JP7744489U JP7744489U JPH0317658U JP H0317658 U JPH0317658 U JP H0317658U JP 7744489 U JP7744489 U JP 7744489U JP 7744489 U JP7744489 U JP 7744489U JP H0317658 U JPH0317658 U JP H0317658U
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- laser beam
- diameter
- resonator
- inner diameter
- 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
Description
第１図は本考案の一実施例に係る共振器の平面
図であり、第２図は同側面図であり、第３図は第
１図の共振器のアパーチヤの詳細図であり、第４
図はアパーチヤ内径検出部説明図であり、第５図
はアパーチヤ内径検出板駆動用ばね列の図であり
、第６図はアパーチヤ内径測定出力特性の１例で
あり、第７図は共振器を構成したビーム形状の一
例を示す。
１…共振器ミラー、２…ミラーホルダ支持部、
３…光軸、４…レーザビーム、５…アパーチヤ、
６…アパーチヤ、６…アパーチヤ支持棒、７…エ
ンコーダ付モータ、８…レーザ光源、９…レーザ
光（アパーチヤ径検出用）、１０…レーザ光受光
部、１１…虹採、１２…虹採支持、１３…回転リ
ング、１４…アパーチヤ内径縮小用固定ピン、１
５…アパーチヤ内径拡大用固定ピン、１６…アパ
ーチヤ支持円板、１７…アパーチヤ支持板、１８
…ばね、１９…形状記憶合金製ばね列、２０…ア
パーチヤ内径検出板、２１…レーザ受光部出力。
1 is a plan view of a resonator according to an embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a detailed view of the aperture of the resonator of FIG. 1, and FIG.
The figure is an explanatory diagram of the aperture inner diameter detection section, Fig. 5 is a diagram of the spring array for driving the aperture inner diameter detection plate, Fig. 6 is an example of the aperture inner diameter measurement output characteristic, and Fig. 7 is a diagram of the resonator. An example of the constructed beam shape is shown. 1... Resonator mirror, 2... Mirror holder support part,
3...Optical axis, 4...Laser beam, 5...Aperture,
6...Aperture, 6...Aperture support rod, 7...Motor with encoder, 8...Laser light source, 9...Laser light (for aperture diameter detection), 10...Laser light receiving section, 11...Rainbow detection, 12...Rainbow detection support, 13...Rotating ring, 14...Fixing pin for aperture inner diameter reduction, 1
5...Fixing pin for aperture inner diameter expansion, 16...Aperture support disk, 17...Aperture support plate, 18
... Spring, 19 ... Shape memory alloy spring row, 20 ... Aperture inner diameter detection plate, 21 ... Laser light receiving section output.
Claims (1)
イド可能なアパーチヤを具備し、このアパーチヤ
はレーザビームがそれに射突したときの温度変化
によつて開口径を拡大してレーザビーム径に自動
的に整合させる開口径調整手段を具備しているこ
とを特徴とするレーザビームのモード断面検出器
。 A slideable aperture is provided between mirrors facing each other along the optical axis of the resonator, and this aperture automatically adjusts to the laser beam diameter by expanding its aperture diameter due to temperature changes when the laser beam impinges on it. 1. A laser beam mode cross-section detector comprising an aperture diameter adjusting means for adjusting the aperture diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7744489U JPH0317658U (en) | 1989-06-30 | 1989-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7744489U JPH0317658U (en) | 1989-06-30 | 1989-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0317658U true JPH0317658U (en) | 1991-02-21 |
Family
ID=31619838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7744489U Pending JPH0317658U (en) | 1989-06-30 | 1989-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317658U (en) |
-
1989
- 1989-06-30 JP JP7744489U patent/JPH0317658U/ja active Pending
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