JPH02140501U - - Google Patents
Info
- Publication number
- JPH02140501U JPH02140501U JP4950489U JP4950489U JPH02140501U JP H02140501 U JPH02140501 U JP H02140501U JP 4950489 U JP4950489 U JP 4950489U JP 4950489 U JP4950489 U JP 4950489U JP H02140501 U JPH02140501 U JP H02140501U
- Authority
- JP
- Japan
- Prior art keywords
- laser light
- angle
- light attenuator
- semi
- variable
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Description
第１図は、本考案の一実施例の説明図、第２図
は、従来例の説明図、第３図は本考案の他の一実
施例の断面図、第４図はガラス板の反射率を示し
たグラフである。
１，２，１１，２１，２２…ビーム・スプリツ
タ、３，１０…レーザ光、６…反射光、７…光吸
収体、２３，２４…ホルダ、２５，２６，２７…
軸、２８…溝。
Fig. 1 is an explanatory diagram of an embodiment of the present invention, Fig. 2 is an explanatory diagram of a conventional example, Fig. 3 is a sectional view of another embodiment of the invention, and Fig. 4 is a reflection of a glass plate. It is a graph showing the rate. 1, 2, 11, 21, 22... Beam splitter, 3, 10... Laser light, 6... Reflected light, 7... Light absorber, 23, 24... Holder, 25, 26, 27...
Shaft, 28...groove.
Claims (1)
持たせて配置したことを特徴とするレーザ光減衰
器。 ２ 請求項１において、前記角度を可変としたレ
ーザ光減衰器。[Claims for Utility Model Registration] 1. A laser light attenuator characterized in that two semi-transparent mirrors of approximately the same thickness are arranged at an angle to each other. 2. The laser light attenuator according to claim 1, wherein the angle is variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4950489U JPH02140501U (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4950489U JPH02140501U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140501U true JPH02140501U (en) | 1990-11-26 |
Family
ID=31567249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4950489U Pending JPH02140501U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011215287A (en) * | 2010-03-31 | 2011-10-27 | Hitachi Zosen Corp | Optical output attenuator |
| JP5981045B1 (en) * | 2015-03-10 | 2016-08-31 | 技術研究組合次世代３Ｄ積層造形技術総合開発機構 | High output light attenuator, measuring device and 3D modeling device |
| US10401615B2 (en) | 2015-02-27 | 2019-09-03 | Gigaphoton Inc. | Beam dump apparatus, laser apparatus equipped with the beam dump apparatus, and extreme ultraviolet light generating apparatus |
-
1989
- 1989-04-28 JP JP4950489U patent/JPH02140501U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011215287A (en) * | 2010-03-31 | 2011-10-27 | Hitachi Zosen Corp | Optical output attenuator |
| US10401615B2 (en) | 2015-02-27 | 2019-09-03 | Gigaphoton Inc. | Beam dump apparatus, laser apparatus equipped with the beam dump apparatus, and extreme ultraviolet light generating apparatus |
| JP5981045B1 (en) * | 2015-03-10 | 2016-08-31 | 技術研究組合次世代３Ｄ積層造形技術総合開発機構 | High output light attenuator, measuring device and 3D modeling device |
| WO2016143056A1 (en) * | 2015-03-10 | 2016-09-15 | 技術研究組合次世代３Ｄ積層造形技術総合開発機構 | High-output-light attenuator, measuring device, and three-dimensional modeling device |
| US10162187B2 (en) | 2015-03-10 | 2018-12-25 | Technology Research Association For Future Additive Manufacturing | High-output optical attenuator, measurement device, and 3D shaping apparatus |