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
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Optical Elements Other Than Lenses (AREA)
- Lasers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4950489U JPH02140501U (zh) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4950489U JPH02140501U (zh) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140501U true JPH02140501U (zh) | 1990-11-26 |
Family
ID=31567249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4950489U Pending JPH02140501U (zh) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140501U (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011215287A (ja) * | 2010-03-31 | 2011-10-27 | Hitachi Zosen Corp | 光出力減衰器 |
| JP5981045B1 (ja) * | 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 | 高出力光用減衰器、測定装置および３次元造形装置 |
| 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 (ja) * | 2010-03-31 | 2011-10-27 | Hitachi Zosen Corp | 光出力減衰器 |
| 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 (ja) * | 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 | 高出力光用減衰器、測定装置および３次元造形装置 |
| WO2016143056A1 (ja) * | 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 | 高出力光用減衰器、測定装置および３次元造形装置 |
| 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 |