DE69525993D1 - Ringförmiger Laserfleck - Google Patents
Ringförmiger LaserfleckInfo
- Publication number
- DE69525993D1 DE69525993D1 DE69525993T DE69525993T DE69525993D1 DE 69525993 D1 DE69525993 D1 DE 69525993D1 DE 69525993 T DE69525993 T DE 69525993T DE 69525993 T DE69525993 T DE 69525993T DE 69525993 D1 DE69525993 D1 DE 69525993D1
- Authority
- DE
- Germany
- Prior art keywords
- laser spot
- annular laser
- annular
- spot
- laser
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0988—Diaphragms, spatial filters, masks for removing or filtering a part of the beam
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/58—Optics for apodization or superresolution; Optical synthetic aperture systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16313294A JP3531014B2 (ja) | 1994-06-22 | 1994-06-22 | レーザ照準装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69525993D1 true DE69525993D1 (de) | 2002-05-02 |
DE69525993T2 DE69525993T2 (de) | 2002-11-14 |
Family
ID=15767808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69525993T Expired - Lifetime DE69525993T2 (de) | 1994-06-22 | 1995-06-21 | Ringförmiger Laserfleck |
Country Status (5)
Country | Link |
---|---|
US (1) | US5638220A (de) |
EP (1) | EP0689080B1 (de) |
JP (1) | JP3531014B2 (de) |
CN (1) | CN1068681C (de) |
DE (1) | DE69525993T2 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3200894B2 (ja) * | 1991-03-05 | 2001-08-20 | 株式会社日立製作所 | 露光方法及びその装置 |
ATE211830T1 (de) | 1998-10-30 | 2002-01-15 | Datalogic Spa | Optisches gerät und verfahren zum anvisieren und visuellen anzeigen eines auslesebereichs |
US6253160B1 (en) | 1999-01-15 | 2001-06-26 | Trimble Navigation Ltd. | Method and apparatus for calibrating a tool positioning mechanism on a mobile machine |
JP3892704B2 (ja) | 2001-10-30 | 2007-03-14 | ペンタックス株式会社 | 光波測距儀 |
JP4824384B2 (ja) * | 2005-10-25 | 2011-11-30 | 株式会社トプコン | レーザ測量機 |
JP5054346B2 (ja) * | 2006-09-13 | 2012-10-24 | 株式会社トプコン | 回転レーザ測量機 |
US7936511B2 (en) * | 2008-02-19 | 2011-05-03 | B.E. Meyers & Co., Inc | Single laser illuminating and pointing systems |
DE102009000590A1 (de) | 2009-02-03 | 2010-08-05 | Hilti Aktiengesellschaft | Vorrichtung zum Projizieren eines Lichtstrahls |
JP2010237032A (ja) * | 2009-03-31 | 2010-10-21 | Mitsubishi Electric Corp | 基準線発生装置及び芯出し装置 |
WO2011036618A2 (en) | 2009-09-22 | 2011-03-31 | Pebblestech Ltd. | Remote control of computer devices |
US9870068B2 (en) | 2010-09-19 | 2018-01-16 | Facebook, Inc. | Depth mapping with a head mounted display using stereo cameras and structured light |
US10095016B2 (en) | 2011-01-04 | 2018-10-09 | Nlight, Inc. | High power laser system |
US9429742B1 (en) * | 2011-01-04 | 2016-08-30 | Nlight, Inc. | High power laser imaging systems |
US9409255B1 (en) | 2011-01-04 | 2016-08-09 | Nlight, Inc. | High power laser imaging systems |
US9720244B1 (en) | 2011-09-30 | 2017-08-01 | Nlight, Inc. | Intensity distribution management system and method in pixel imaging |
US9310248B2 (en) | 2013-03-14 | 2016-04-12 | Nlight, Inc. | Active monitoring of multi-laser systems |
JP5506986B2 (ja) * | 2013-07-02 | 2014-05-28 | 三菱電機株式会社 | 基準線発生装置及び芯出し装置 |
CN103399407B (zh) * | 2013-08-13 | 2015-04-22 | 哈尔滨工业大学 | 一种用于实现圆形光束整形为点环形光束的方法 |
CN105659106B (zh) | 2013-10-23 | 2018-12-28 | 脸谱公司 | 使用动态结构光的三维深度映射 |
US9709810B2 (en) | 2014-02-05 | 2017-07-18 | Nlight, Inc. | Single-emitter line beam system |
LT6250B (lt) | 2014-07-10 | 2016-02-25 | Uab "Altechna R&D" | Lazerinio pluošto skersinio profilio formuotuvas, išsaugantis bangos fronto kreivumą, ir jo panaudojimo būdas |
KR20170124559A (ko) | 2015-02-25 | 2017-11-10 | 페이스북, 인크. | 물체에 의해 반사된 광의 특성에 기반한 볼륨 내 물체의 식별 |
EP3274653B1 (de) | 2015-03-22 | 2020-11-25 | Facebook Technologies, LLC | Tiefenkartierung mit einer kopfmontierten anzeige unter verwendung von stereokameras und strukturiertem licht |
CN106066542B (zh) * | 2016-08-16 | 2019-05-17 | 中国人民解放军总参谋部第六十研究所 | 复合光焦度激光准直*** |
US10942275B2 (en) * | 2018-07-28 | 2021-03-09 | Haas Laser Technologies, Inc. | System and method for improving signal-to-noise ratio in a laser imaging system |
CN109946845B (zh) * | 2019-04-12 | 2022-08-16 | 武汉大学 | 一种望远镜光轴精准对天顶的调节方法 |
CN111014946A (zh) * | 2020-01-19 | 2020-04-17 | 中国科学院宁波材料技术与工程研究所 | 水导激光加工装置和加工*** |
WO2021196930A1 (zh) * | 2020-04-02 | 2021-10-07 | 杭州欧镭激光技术有限公司 | 一种用于激光雷达的光束整形装置及其对远场光斑的整形方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3980397A (en) * | 1973-09-17 | 1976-09-14 | The United States Of America As Represented By The United States Energy Research And Development Administration | Diffraction smoothing aperture for an optical beam |
US3990786A (en) * | 1974-10-09 | 1976-11-09 | Kms Fusion, Inc. | Apodizer aperture for lasers |
JPS5969979A (ja) * | 1982-10-15 | 1984-04-20 | Hitachi Ltd | レ−ザ光源装置 |
NL8304212A (nl) * | 1983-12-07 | 1984-10-01 | Philips Nv | Enkelvoudige collimatorlens met een asferisch oppervlak. |
-
1994
- 1994-06-22 JP JP16313294A patent/JP3531014B2/ja not_active Expired - Lifetime
-
1995
- 1995-06-21 EP EP95109623A patent/EP0689080B1/de not_active Expired - Lifetime
- 1995-06-21 DE DE69525993T patent/DE69525993T2/de not_active Expired - Lifetime
- 1995-06-21 US US08/492,743 patent/US5638220A/en not_active Expired - Lifetime
- 1995-06-22 CN CN95106882.2A patent/CN1068681C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3531014B2 (ja) | 2004-05-24 |
CN1122010A (zh) | 1996-05-08 |
JPH085375A (ja) | 1996-01-12 |
US5638220A (en) | 1997-06-10 |
EP0689080B1 (de) | 2002-03-27 |
CN1068681C (zh) | 2001-07-18 |
EP0689080A1 (de) | 1995-12-27 |
DE69525993T2 (de) | 2002-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |