DE3687175D1 - Heterodynes interferometersystem. - Google Patents

Heterodynes interferometersystem.

Info

Publication number
DE3687175D1
DE3687175D1 DE8686400506T DE3687175T DE3687175D1 DE 3687175 D1 DE3687175 D1 DE 3687175D1 DE 8686400506 T DE8686400506 T DE 8686400506T DE 3687175 T DE3687175 T DE 3687175T DE 3687175 D1 DE3687175 D1 DE 3687175D1
Authority
DE
Germany
Prior art keywords
heterodynes
interferometer system
interferometer
heterodynes interferometer
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
Application number
DE8686400506T
Other languages
English (en)
Other versions
DE3687175T2 (de
Inventor
Gary E Sommargren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zygo Corp
Original Assignee
Zygo Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zygo Corp filed Critical Zygo Corp
Application granted granted Critical
Publication of DE3687175D1 publication Critical patent/DE3687175D1/de
Publication of DE3687175T2 publication Critical patent/DE3687175T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01B9/02041—Interferometers characterised by particular imaging or detection techniques
    • G01B9/02045—Interferometers characterised by particular imaging or detection techniques using the Doppler effect
    • 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
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
    • 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
    • G01B9/02083—Interferometers characterised by particular signal processing and presentation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
DE8686400506T 1985-03-12 1986-03-11 Heterodynes interferometersystem. Expired - Lifetime DE3687175T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/710,928 US4688940A (en) 1985-03-12 1985-03-12 Heterodyne interferometer system

Publications (2)

Publication Number Publication Date
DE3687175D1 true DE3687175D1 (de) 1993-01-14
DE3687175T2 DE3687175T2 (de) 1993-05-27

Family

ID=24856096

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8686400506T Expired - Lifetime DE3687175T2 (de) 1985-03-12 1986-03-11 Heterodynes interferometersystem.
DE198686400506T Pending DE194941T1 (de) 1985-03-12 1986-03-11 Heterodynes interferometersystem.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198686400506T Pending DE194941T1 (de) 1985-03-12 1986-03-11 Heterodynes interferometersystem.

Country Status (4)

Country Link
US (1) US4688940A (de)
EP (1) EP0194941B1 (de)
JP (1) JPS61207903A (de)
DE (2) DE3687175T2 (de)

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US4807997A (en) * 1987-11-12 1989-02-28 Zygo Corporation Angular displacement measuring interferometer
US4787747A (en) * 1987-11-13 1988-11-29 Zygo Corporation Straightness of travel interferometer
JPH01167607U (de) * 1988-05-16 1989-11-24
JP2808136B2 (ja) * 1989-06-07 1998-10-08 キヤノン株式会社 測長方法及び装置
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JP2940559B2 (ja) * 1990-07-31 1999-08-25 オークマ株式会社 変位検出装置
US5109362A (en) * 1990-10-22 1992-04-28 Shell Oil Company Remote seismic sensing
US5374991A (en) * 1991-03-29 1994-12-20 Gradient Lens Corporation Compact distance measuring interferometer
US5249030A (en) * 1991-12-06 1993-09-28 Zygo Corporation Method and apparatus for determining the position of a moving body and the time of the position measurement
US5327216A (en) * 1992-09-18 1994-07-05 Shell Oil Company Apparatus for remote seismic sensing of array signals using side-by-side retroreflectors
US5317383A (en) * 1992-09-18 1994-05-31 Shell Oil Company Array retroreflector apparatus for remote seismic sensing
US5289434A (en) * 1992-09-18 1994-02-22 Shell Oil Company Retroreflector apparatus for remote seismic sensing
AT399222B (de) * 1992-10-19 1995-04-25 Tabarelli Werner Interferometrische einrichtung zur messung der lage eines reflektierenden objektes
US5408318A (en) * 1993-08-02 1995-04-18 Nearfield Systems Incorporated Wide range straightness measuring stem using a polarized multiplexed interferometer and centered shift measurement of beam polarization components
BE1007876A4 (nl) * 1993-12-17 1995-11-07 Philips Electronics Nv Stralingsbron-eenheid voor het opwekken van een bundel met twee polarisatierichtingen en twee frequenties.
US5404222A (en) * 1994-01-14 1995-04-04 Sparta, Inc. Interferametric measuring system with air turbulence compensation
US5604592A (en) * 1994-09-19 1997-02-18 Textron Defense Systems, Division Of Avco Corporation Laser ultrasonics-based material analysis system and method using matched filter processing
DE19528676C2 (de) * 1995-08-04 1997-05-22 Zeiss Carl Jena Gmbh Interferometeranordnung zur absoluten Distanzmessung
US5663793A (en) * 1995-09-05 1997-09-02 Zygo Corporation Homodyne interferometric receiver and calibration method having improved accuracy and functionality
DE19542490C1 (de) * 1995-11-15 1997-06-05 Leica Ag Elektro-optisches Meßgerät für absolute Distanzen
USH1937H1 (en) * 1996-02-29 2001-02-06 The United States Of America As Represented By The United States Department Of Energy Laser barometer
US5767972A (en) * 1996-06-04 1998-06-16 Zygo Corporation Method and apparatus for providing data age compensation in an interferometer
US5838485A (en) * 1996-08-20 1998-11-17 Zygo Corporation Superheterodyne interferometer and method for compensating the refractive index of air using electronic frequency multiplication
US5764362A (en) * 1996-08-20 1998-06-09 Zygo Corporation Superheterodyne method and apparatus for measuring the refractive index of air using multiple-pass interferometry
US5991033A (en) * 1996-09-20 1999-11-23 Sparta, Inc. Interferometer with air turbulence compensation
US5682240A (en) * 1996-09-24 1997-10-28 Zygo Corporation Interferometric measurements with multiple light sources
US5724136A (en) * 1996-10-15 1998-03-03 Zygo Corporation Interferometric apparatus for measuring motions of a stage relative to fixed reflectors
US6219144B1 (en) 1997-10-02 2001-04-17 Zygo Corporation Apparatus and method for measuring the refractive index and optical path length effects of air using multiple-pass interferometry
US6407816B1 (en) 1998-02-23 2002-06-18 Zygo Corporation Interferometer and method for measuring the refractive index and optical path length effects of air
KR20010041209A (ko) 1998-02-23 2001-05-15 게리 윌리스 공기의 굴절률 및 광로 길이 영향을 측정하기 위한 간섭계 및 방법
US6552803B1 (en) 1998-02-24 2003-04-22 Kla-Tencor Corporation Detection of film thickness through induced acoustic pulse-echos
US6236507B1 (en) 1998-04-17 2001-05-22 Zygo Corporation Apparatus to transform two nonparallel propagating optical beam components into two orthogonally polarized beam components
US6261152B1 (en) 1998-07-16 2001-07-17 Nikon Research Corporation Of America Heterdoyne Thickness Monitoring System
US6229616B1 (en) 1999-04-01 2001-05-08 Trw Inc. Heterodyne wavefront sensor
US6201609B1 (en) 1999-08-27 2001-03-13 Zygo Corporation Interferometers utilizing polarization preserving optical systems
US6198574B1 (en) 1999-08-27 2001-03-06 Zygo Corporation Polarization preserving optical systems
US6208677B1 (en) 1999-08-31 2001-03-27 Trw Inc. Diode array package with homogeneous output
US6597459B2 (en) 2000-05-16 2003-07-22 Zygo Corporation Data age adjustments
US6519042B1 (en) 2000-08-25 2003-02-11 Industrial Technology Research Institute Interferometer system for displacement and straightness measurements
US6727992B2 (en) * 2001-07-06 2004-04-27 Zygo Corporation Method and apparatus to reduce effects of sheared wavefronts on interferometric phase measurements
US6975406B2 (en) * 2001-08-02 2005-12-13 Zygo Corporation Glitch filter for distance measuring interferometry
US6807497B2 (en) * 2001-12-17 2004-10-19 Agilent Technologies, Inc. Laser measurement system with digital delay compensation
US6842254B2 (en) * 2002-10-16 2005-01-11 Fiso Technologies Inc. System and method for measuring an optical path difference in a sensing interferometer
US7286240B2 (en) * 2003-06-19 2007-10-23 Zygo Corporation Compensation for geometric effects of beam misalignments in plane mirror interferometer metrology systems
US7327465B2 (en) * 2003-06-19 2008-02-05 Zygo Corporation Compensation for effects of beam misalignments in interferometer metrology systems
GB2407155A (en) * 2003-10-14 2005-04-20 Univ Kent Canterbury Spectral interferometry method and apparatus
US7310152B2 (en) * 2004-03-03 2007-12-18 Zygo Corporation Interferometer assemblies having reduced cyclic errors and system using the interferometer assemblies
WO2005108913A1 (en) * 2004-05-11 2005-11-17 Renishaw Plc Polarising interferometer with removal or separation of error beam caused by leakage of polarised light
US7298493B2 (en) 2004-06-30 2007-11-20 Zygo Corporation Interferometric optical assemblies and systems including interferometric optical assemblies
US7489407B2 (en) * 2004-10-06 2009-02-10 Zygo Corporation Error correction in interferometry systems
US20060285120A1 (en) * 2005-02-25 2006-12-21 Verity Instruments, Inc. Method for monitoring film thickness using heterodyne reflectometry and grating interferometry
US7339682B2 (en) * 2005-02-25 2008-03-04 Verity Instruments, Inc. Heterodyne reflectometer for film thickness monitoring and method for implementing
WO2006102234A2 (en) * 2005-03-18 2006-09-28 Zygo Corporation Multi-axis interferometer with procedure and data processing for mirror mapping
US7826063B2 (en) * 2005-04-29 2010-11-02 Zygo Corporation Compensation of effects of atmospheric perturbations in optical metrology
US7528961B2 (en) * 2005-04-29 2009-05-05 Zygo Corporation Compensation of turbulent effects of gas in measurement paths of multi-axis interferometers
US7545503B2 (en) * 2005-09-27 2009-06-09 Verity Instruments, Inc. Self referencing heterodyne reflectometer and method for implementing
JP4927091B2 (ja) * 2005-12-01 2012-05-09 ザイゴ コーポレーション アバランシェ・フォトダイオードによるデータ・エイジの補償方法とシステム
WO2008061186A2 (en) * 2006-11-15 2008-05-22 Zygo Corporation Distance measuring interferometer and encoder metrology systems for use in lithography tools
WO2008073454A2 (en) * 2006-12-11 2008-06-19 Zygo Corporation Multiple-degree of freedom interferometer with compensation for gas effects
US7894075B2 (en) * 2006-12-11 2011-02-22 Zygo Corporation Multiple-degree of freedom interferometer with compensation for gas effects
US7559701B2 (en) * 2007-03-19 2009-07-14 General Electric Company High-temperature pressure sensor and method of assembly
US7869056B2 (en) * 2007-10-02 2011-01-11 National Central University Linear displacement and tilting angle measuring device
NL2005309A (en) * 2009-10-13 2011-04-14 Asml Netherlands Bv Lithographic apparatus and device manufacturing method.
US8674965B2 (en) * 2010-11-18 2014-03-18 Microsoft Corporation Single camera display device detection
US9291918B2 (en) * 2011-03-08 2016-03-22 Nikon Corporation Light source assembly that generates heterodyne output beams
CN104655159B (zh) * 2015-02-10 2017-05-24 深圳大学 一种正交偏振激光器的传感器
US10386171B1 (en) 2018-04-04 2019-08-20 United States Of America, As Represented By The Secretary Of The Army Apparatus for a dynamic multi-axis heterodyne interferometric vibrometer
WO2023219862A1 (en) 2022-05-10 2023-11-16 Zygo Corporation Data age reduction

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EP0157227A3 (de) * 1984-03-16 1987-02-25 Hewlett-Packard Company Interferometer

Also Published As

Publication number Publication date
DE194941T1 (de) 1987-04-09
DE3687175T2 (de) 1993-05-27
EP0194941B1 (de) 1992-12-02
JPS61207903A (ja) 1986-09-16
US4688940A (en) 1987-08-25
EP0194941A3 (en) 1988-06-08
EP0194941A2 (de) 1986-09-17

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