GB2272765B - Optical signal processing - Google Patents

Optical signal processing

Info

Publication number
GB2272765B
GB2272765B GB9400341A GB9400341A GB2272765B GB 2272765 B GB2272765 B GB 2272765B GB 9400341 A GB9400341 A GB 9400341A GB 9400341 A GB9400341 A GB 9400341A GB 2272765 B GB2272765 B GB 2272765B
Authority
GB
United Kingdom
Prior art keywords
signal processing
optical signal
optical
processing
signal
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
Application number
GB9400341A
Other versions
GB9400341D0 (en
GB2272765A (en
Inventor
Herbert Alan French
Philip Sutton
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB9400341D0 publication Critical patent/GB9400341D0/en
Publication of GB2272765A publication Critical patent/GB2272765A/en
Application granted granted Critical
Publication of GB2272765B publication Critical patent/GB2272765B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • 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
    • G01J3/45—Interferometric spectrometry
    • G01J3/453—Interferometric spectrometry by correlation of the amplitudes
    • 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
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N2021/3185—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry typically monochromatic or band-limited
    • G01N2021/3188—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry typically monochromatic or band-limited band-limited

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9400341A 1991-07-12 1994-01-10 Optical signal processing Expired - Fee Related GB2272765B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919115158A GB9115158D0 (en) 1991-07-12 1991-07-12 Optical signal processing
PCT/GB1992/001177 WO1993001477A1 (en) 1991-07-12 1992-06-29 Optical signal processing

Publications (3)

Publication Number Publication Date
GB9400341D0 GB9400341D0 (en) 1994-03-16
GB2272765A GB2272765A (en) 1994-05-25
GB2272765B true GB2272765B (en) 1995-04-05

Family

ID=10698321

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919115158A Pending GB9115158D0 (en) 1991-07-12 1991-07-12 Optical signal processing
GB9400341A Expired - Fee Related GB2272765B (en) 1991-07-12 1994-01-10 Optical signal processing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919115158A Pending GB9115158D0 (en) 1991-07-12 1991-07-12 Optical signal processing

Country Status (5)

Country Link
EP (1) EP0594668A1 (en)
JP (1) JPH06509169A (en)
CA (1) CA2113270A1 (en)
GB (2) GB9115158D0 (en)
WO (1) WO1993001477A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488876A (en) * 1992-09-30 1996-02-06 Precision Sampling Incorporated Soil sampling system with sample container ridgidly coupled to drive casing
JP5910139B2 (en) * 2012-02-10 2016-04-27 株式会社島津製作所 Laser gas analyzer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2106665A (en) * 1981-09-23 1983-04-13 Spectron Developments Limited Spectroscopic analysis
EP0155142A2 (en) * 1984-03-14 1985-09-18 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Apparatus and method for remote sensing of gases, vapours or aerosols
EP0396320A2 (en) * 1989-05-01 1990-11-07 Westinghouse Electric Corporation A method and apparatus for remotely and portably measuring a gas of interest

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2106665A (en) * 1981-09-23 1983-04-13 Spectron Developments Limited Spectroscopic analysis
EP0155142A2 (en) * 1984-03-14 1985-09-18 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Apparatus and method for remote sensing of gases, vapours or aerosols
EP0396320A2 (en) * 1989-05-01 1990-11-07 Westinghouse Electric Corporation A method and apparatus for remotely and portably measuring a gas of interest

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol 16 no 113 (P-1327) 19 MARCH 1992 *
TRAC, TRENDS IN ANALYTICAL CHEMISTRY vol 10 no 5 MAY 1991 pg 149-155 *

Also Published As

Publication number Publication date
JPH06509169A (en) 1994-10-13
CA2113270A1 (en) 1993-01-21
WO1993001477A1 (en) 1993-01-21
GB9400341D0 (en) 1994-03-16
GB2272765A (en) 1994-05-25
GB9115158D0 (en) 1991-08-28
EP0594668A1 (en) 1994-05-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960629