GB2393263B - Apparatus for varying the path length of a beam of radiation - Google Patents

Apparatus for varying the path length of a beam of radiation

Info

Publication number
GB2393263B
GB2393263B GB0221675A GB0221675A GB2393263B GB 2393263 B GB2393263 B GB 2393263B GB 0221675 A GB0221675 A GB 0221675A GB 0221675 A GB0221675 A GB 0221675A GB 2393263 B GB2393263 B GB 2393263B
Authority
GB
United Kingdom
Prior art keywords
varying
radiation
path length
path
length
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
GB0221675A
Other versions
GB0221675D0 (en
GB2393263A (en
Inventor
Julian Alexander Cluff
Michael John Withers
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.)
TeraView Ltd
Original Assignee
TeraView Ltd
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 TeraView Ltd filed Critical TeraView Ltd
Priority to GB0221675A priority Critical patent/GB2393263B/en
Publication of GB0221675D0 publication Critical patent/GB0221675D0/en
Priority to GB0319841A priority patent/GB0319841D0/en
Priority to PCT/GB2003/004034 priority patent/WO2004027491A1/en
Priority to EP03753688.5A priority patent/EP1543372B1/en
Priority to JP2004537294A priority patent/JP2005539260A/en
Priority to US10/528,197 priority patent/US7742172B2/en
Priority to AU2003271850A priority patent/AU2003271850A1/en
Publication of GB2393263A publication Critical patent/GB2393263A/en
Application granted granted Critical
Publication of GB2393263B publication Critical patent/GB2393263B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/06—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the phase of light
    • 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
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
GB0221675A 2002-09-18 2002-09-18 Apparatus for varying the path length of a beam of radiation Expired - Lifetime GB2393263B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB0221675A GB2393263B (en) 2002-09-18 2002-09-18 Apparatus for varying the path length of a beam of radiation
GB0319841A GB0319841D0 (en) 2002-09-18 2003-08-22 Apparatus for varying the path length of a beam of radiation
PCT/GB2003/004034 WO2004027491A1 (en) 2002-09-18 2003-09-18 Apparatus for varying the path length of a beam of radiation
EP03753688.5A EP1543372B1 (en) 2002-09-18 2003-09-18 Apparatus for varying the path length of a beam of radiation
JP2004537294A JP2005539260A (en) 2002-09-18 2003-09-18 Apparatus for changing the path length of a radiation beam
US10/528,197 US7742172B2 (en) 2002-09-18 2003-09-18 Apparatus for varying the path length of a beam of radiation
AU2003271850A AU2003271850A1 (en) 2002-09-18 2003-09-18 Apparatus for varying the path length of a beam of radiation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0221675A GB2393263B (en) 2002-09-18 2002-09-18 Apparatus for varying the path length of a beam of radiation

Publications (3)

Publication Number Publication Date
GB0221675D0 GB0221675D0 (en) 2002-10-30
GB2393263A GB2393263A (en) 2004-03-24
GB2393263B true GB2393263B (en) 2004-10-27

Family

ID=9944324

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0221675A Expired - Lifetime GB2393263B (en) 2002-09-18 2002-09-18 Apparatus for varying the path length of a beam of radiation
GB0319841A Ceased GB0319841D0 (en) 2002-09-18 2003-08-22 Apparatus for varying the path length of a beam of radiation

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0319841A Ceased GB0319841D0 (en) 2002-09-18 2003-08-22 Apparatus for varying the path length of a beam of radiation

Country Status (1)

Country Link
GB (2) GB2393263B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1794558B1 (en) * 2004-09-30 2009-09-16 Picometrix, LLC Optical delay
EP2538186B1 (en) * 2011-06-20 2016-01-20 Philipps-Universität Marburg Variable runtime adjustment of electromagnetic radiation
DE102018101768B3 (en) 2018-01-26 2019-02-28 Medizinisches Laserzentrum Lübeck GmbH Method and apparatus for generating a two-dimensional interferogram with a Michelson-type free-jet design

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0491435A2 (en) * 1990-12-19 1992-06-24 Koninklijke Philips Electronics N.V. Interferometer
GB2253493A (en) * 1991-01-29 1992-09-09 Clark Instrumentation Inc Method and apparatus relating to an optical delay line
JPH0915049A (en) * 1995-06-29 1997-01-17 Yokogawa Electric Corp Optical path length varying mechanism
EP1092943A1 (en) * 1999-10-15 2001-04-18 Carl Zeiss Interferometer with rotating Fabry Perot
DE20204549U1 (en) * 2002-03-22 2002-06-06 Zeiss Carl Jena Gmbh Periodic optical path length modulator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0491435A2 (en) * 1990-12-19 1992-06-24 Koninklijke Philips Electronics N.V. Interferometer
GB2253493A (en) * 1991-01-29 1992-09-09 Clark Instrumentation Inc Method and apparatus relating to an optical delay line
JPH0915049A (en) * 1995-06-29 1997-01-17 Yokogawa Electric Corp Optical path length varying mechanism
EP1092943A1 (en) * 1999-10-15 2001-04-18 Carl Zeiss Interferometer with rotating Fabry Perot
DE20204549U1 (en) * 2002-03-22 2002-06-06 Zeiss Carl Jena Gmbh Periodic optical path length modulator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Optics Communications 1998 Vol 154 pages 1-4 *
Review of Scientific Instruments Vol 69 No 9 September 1998 pages 3099-3102 *

Also Published As

Publication number Publication date
GB0319841D0 (en) 2003-09-24
GB0221675D0 (en) 2002-10-30
GB2393263A (en) 2004-03-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20220917