FR2325912A1 - Spectrometre a transformation d'hadamard ameliore - Google Patents

Spectrometre a transformation d'hadamard ameliore

Info

Publication number
FR2325912A1
FR2325912A1 FR7625014A FR7625014A FR2325912A1 FR 2325912 A1 FR2325912 A1 FR 2325912A1 FR 7625014 A FR7625014 A FR 7625014A FR 7625014 A FR7625014 A FR 7625014A FR 2325912 A1 FR2325912 A1 FR 2325912A1
Authority
FR
France
Prior art keywords
hadamard transformation
transformation spectrometer
improved
improved hadamard
spectrometer
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.)
Granted
Application number
FR7625014A
Other languages
English (en)
French (fr)
Other versions
FR2325912B1 (enExample
Inventor
Edward S Wadja
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2325912A1 publication Critical patent/FR2325912A1/fr
Application granted granted Critical
Publication of FR2325912B1 publication Critical patent/FR2325912B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0229—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using masks, aperture plates, spatial light modulators or spatial filters, e.g. reflective filters
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0256—Compact construction
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2846—Investigating the spectrum using modulation grid; Grid spectrometers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7625014A 1975-09-29 1976-08-10 Spectrometre a transformation d'hadamard ameliore Granted FR2325912A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/618,308 US4007989A (en) 1975-09-29 1975-09-29 Hadamard filter design

Publications (2)

Publication Number Publication Date
FR2325912A1 true FR2325912A1 (fr) 1977-04-22
FR2325912B1 FR2325912B1 (enExample) 1979-04-06

Family

ID=24477181

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625014A Granted FR2325912A1 (fr) 1975-09-29 1976-08-10 Spectrometre a transformation d'hadamard ameliore

Country Status (3)

Country Link
US (1) US4007989A (enExample)
JP (1) JPS6037414B2 (enExample)
FR (1) FR2325912A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130526A (en) * 1978-03-31 1979-10-09 Kawaken Fine Chem Co Ltd Preparation of o-chloroaniline
JPS6219946Y2 (enExample) * 1979-04-26 1987-05-21
JPS6219945Y2 (enExample) * 1979-04-27 1987-05-21
US4615619A (en) * 1984-03-19 1986-10-07 D.O.M. Associates, Inc. Stationary, electrically alterable, optical masking device and spectroscopic apparatus employing same
JPS61501476A (ja) * 1984-03-19 1986-07-17 ブル−カ−　アナリユ−テイツシエ　メステヒニク　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 分光装置
JPS6248809U (enExample) * 1985-09-17 1987-03-26
US4750834A (en) * 1986-01-07 1988-06-14 D.O.M. Associates, Inc. Interferometer including stationary, electrically alterable optical masking device
US4856897A (en) * 1987-08-14 1989-08-15 D.O.M. Associates, Inc. Raman spectrometer having Hadamard electrooptical mask and diode detector
US4849624A (en) * 1988-06-24 1989-07-18 The Boeing Company Optical wavelength division multiplexing of digital encoder tracks
FI82863C (fi) * 1989-09-05 1991-04-25 Inoptics Oy Spektrometriskt foerfarande och spektrometer.
US5050989A (en) * 1989-09-21 1991-09-24 The United States Of America As Represented By The Secretary Of The Air Force Single Hadamard mask spectrograph system
US5579105A (en) * 1992-04-17 1996-11-26 British Technology Group Ltd. Spectrometers
GB9214556D0 (en) * 1992-07-09 2004-02-04 Qinetiq Ltd Optical filtering device
CN1039453C (zh) * 1994-06-23 1998-08-05 武汉大学 多功能阿达玛变换显微图像分析仪
US5545897A (en) * 1994-10-04 1996-08-13 Santa Barbara Research Center Optically-based chemical detection system
US5504578A (en) * 1994-12-22 1996-04-02 The United States Of America As Represented By The Secretary Of The Air Force Temporal fringe pattern analysis system of a laser gain media
US6999165B2 (en) * 1998-06-26 2006-02-14 Aspectrics, Inc. Method and apparatus for radiation analysis and encoder
US6271917B1 (en) 1998-06-26 2001-08-07 Thomas W. Hagler Method and apparatus for spectrum analysis and encoder
US6995840B2 (en) * 2002-03-06 2006-02-07 Aspectrics, Inc. Method and apparatus for radiation encoding and analysis
EP1766345A2 (en) 2004-06-28 2007-03-28 Aspectrics, Inc. Encoder spectrograph for analyzing radiation using spatial modulation of radiation dispersed by wavelength
EP1839020B1 (en) * 2005-01-19 2017-04-26 Optopo Inc. D/B/A Centice Corporation Static two-dimensional aperture coding for multimodal multiplex spectroscopy

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3348264A (en) * 1967-01-11 1967-10-24 Pid Corp Apparatus for making pictorial parallax panoramagram units
GB1212852A (en) * 1967-06-08 1970-11-18 Nat Res Dev Improvements relating to spectrometers
US3533682A (en) * 1968-01-15 1970-10-13 Ibm Very high capacity optical memory system
US3929398A (en) * 1971-08-18 1975-12-30 Harry E Bates High speed optical wavelength detection system
JPS4935709A (enExample) * 1972-08-08 1974-04-02

Also Published As

Publication number Publication date
FR2325912B1 (enExample) 1979-04-06
JPS6037414B2 (ja) 1985-08-26
US4007989A (en) 1977-02-15
JPS5242782A (en) 1977-04-02

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Legal Events

Date Code Title Description
ST Notification of lapse