DE69426808D1 - Kombiniertes Interferometer und Refraktometer - Google Patents
Kombiniertes Interferometer und RefraktometerInfo
- Publication number
- DE69426808D1 DE69426808D1 DE69426808T DE69426808T DE69426808D1 DE 69426808 D1 DE69426808 D1 DE 69426808D1 DE 69426808 T DE69426808 T DE 69426808T DE 69426808 T DE69426808 T DE 69426808T DE 69426808 D1 DE69426808 D1 DE 69426808D1
- Authority
- DE
- Germany
- Prior art keywords
- refractometer
- combined interferometer
- interferometer
- combined
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02015—Interferometers characterised by the beam path configuration
- G01B9/02027—Two or more interferometric channels or interferometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02015—Interferometers characterised by the beam path configuration
- G01B9/02017—Interferometers characterised by the beam path configuration with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations
- G01B9/02019—Interferometers characterised by the beam path configuration with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations contacting different points on same face of object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/0207—Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/15—Cat eye, i.e. reflection always parallel to incoming beam
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/45—Multiple detectors for detecting interferometer signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/70—Using polarization in the interferometer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB939324926A GB9324926D0 (en) | 1993-12-04 | 1993-12-04 | Combined interferometer and refractometer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69426808D1 true DE69426808D1 (de) | 2001-04-12 |
DE69426808T2 DE69426808T2 (de) | 2001-06-13 |
Family
ID=10746158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69426808T Expired - Fee Related DE69426808T2 (de) | 1993-12-04 | 1994-11-25 | Kombiniertes Interferometer und Refraktometer |
Country Status (6)
Country | Link |
---|---|
US (1) | US5517308A (de) |
EP (1) | EP0657713B1 (de) |
JP (1) | JP3830547B2 (de) |
CN (1) | CN1047841C (de) |
DE (1) | DE69426808T2 (de) |
GB (1) | GB9324926D0 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6229619B1 (en) | 1996-02-12 | 2001-05-08 | Massachusetts Institute Of Technology | Compensation for measurement uncertainty due to atmospheric effects |
GB2365142B (en) * | 2000-07-27 | 2002-06-19 | Michael John Downs | Jamin-type interferometers and components therefor |
CN1826512B (zh) * | 2003-06-04 | 2013-05-22 | 突慧公司 | 利用光的传播模式测量物质中的光学不均匀性和其他属性 |
US7006209B2 (en) | 2003-07-25 | 2006-02-28 | Advanced Micro Devices, Inc. | Method and apparatus for monitoring and controlling imaging in immersion lithography systems |
US7061578B2 (en) | 2003-08-11 | 2006-06-13 | Advanced Micro Devices, Inc. | Method and apparatus for monitoring and controlling imaging in immersion lithography systems |
GB2414812B (en) * | 2004-06-03 | 2007-05-02 | Nanobeam Ltd | Laser interferometer mirror assembly |
US20060063989A1 (en) * | 2004-08-19 | 2006-03-23 | Hogan Josh N | Compact non-invasive analysis system |
US20090046297A1 (en) * | 2007-02-14 | 2009-02-19 | Nikon Corporation | Atmosphere-density-fluctuation monitors for interferometer beams, and atmosphere-supplying systems comprising same |
DE102007055665A1 (de) * | 2007-11-21 | 2009-05-28 | Dr. Johannes Heidenhain Gmbh | Interferometeranordnung und Verfahren zu deren Betrieb |
WO2011145289A1 (ja) * | 2010-05-19 | 2011-11-24 | コニカミノルタセンシング株式会社 | 干渉光学系 |
CN105589326A (zh) * | 2014-10-23 | 2016-05-18 | 北京自动化控制设备研究所 | 一种微小型原子气室的制作方法 |
GB2551968A (en) * | 2016-06-28 | 2018-01-10 | Oclaro Tech Ltd | Optical locker |
JP7220219B2 (ja) | 2018-01-31 | 2023-02-09 | エーエスエムエル ネザーランズ ビー.ブイ. | 波長追跡システム、波長追跡システムを較正する方法、リソグラフィ装置、可動物体の絶対位置を決定する方法、及び干渉計 |
WO2020139096A1 (ru) * | 2018-12-24 | 2020-07-02 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования Балтийский Государственный Технический Университет "Военмех" Им. Д.Ф.Устинова (Бгту "Военмех") | Интерференционная система измерения абсолютной длины |
WO2023182359A1 (ja) * | 2022-03-24 | 2023-09-28 | 長野計器株式会社 | 干渉計および物理量測定装置 |
CN117347287A (zh) * | 2023-12-06 | 2024-01-05 | 山东大学 | 一种光学干涉结构式自补偿海水盐度测量装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4813783A (en) * | 1987-11-03 | 1989-03-21 | Carl-Zeiss-Stiftung | Interferometer system for making length or angle measurements |
GB8903725D0 (en) * | 1989-02-18 | 1989-04-05 | Cambridge Consultants | Coherent tracking sensor |
US5064289A (en) * | 1989-02-23 | 1991-11-12 | Hewlett-Packard Company | Linear-and-angular measuring plane mirror interferometer |
DE69222219T2 (de) * | 1991-03-08 | 1998-01-15 | Renishaw Transducer Syst | Absolutwert-Gasrefraktometer |
-
1993
- 1993-12-04 GB GB939324926A patent/GB9324926D0/en active Pending
-
1994
- 1994-11-25 EP EP94308719A patent/EP0657713B1/de not_active Expired - Lifetime
- 1994-11-25 DE DE69426808T patent/DE69426808T2/de not_active Expired - Fee Related
- 1994-11-29 US US08/350,137 patent/US5517308A/en not_active Expired - Lifetime
- 1994-12-02 JP JP29978694A patent/JP3830547B2/ja not_active Expired - Fee Related
- 1994-12-03 CN CN94119390A patent/CN1047841C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0657713B1 (de) | 2001-03-07 |
CN1047841C (zh) | 1999-12-29 |
EP0657713A2 (de) | 1995-06-14 |
US5517308A (en) | 1996-05-14 |
DE69426808T2 (de) | 2001-06-13 |
EP0657713A3 (de) | 1999-06-16 |
CN1117131A (zh) | 1996-02-21 |
JPH07239208A (ja) | 1995-09-12 |
JP3830547B2 (ja) | 2006-10-04 |
GB9324926D0 (en) | 1994-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |