GB9824058D0 - An optical device - Google Patents

An optical device

Info

Publication number
GB9824058D0
GB9824058D0 GBGB9824058.3A GB9824058A GB9824058D0 GB 9824058 D0 GB9824058 D0 GB 9824058D0 GB 9824058 A GB9824058 A GB 9824058A GB 9824058 D0 GB9824058 D0 GB 9824058D0
Authority
GB
United Kingdom
Prior art keywords
optical device
optical
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
GBGB9824058.3A
Other versions
GB2343964B (en
GB2343964A (en
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.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe 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 Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Priority to GB9824058A priority Critical patent/GB2343964B/en
Publication of GB9824058D0 publication Critical patent/GB9824058D0/en
Priority to GB9903307A priority patent/GB2347756B/en
Priority to JP11312673A priority patent/JP2000214506A/en
Priority to US09/432,762 priority patent/US6388799B1/en
Priority to JP11314136A priority patent/JP2000162656A/en
Publication of GB2343964A publication Critical patent/GB2343964A/en
Application granted granted Critical
Publication of GB2343964B publication Critical patent/GB2343964B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
    • G02F1/3544—Particular phase matching techniques
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/37—Non-linear optics for second-harmonic generation
    • G02F1/377—Non-linear optics for second-harmonic generation in an optical waveguide structure
    • G02F1/3775—Non-linear optics for second-harmonic generation in an optical waveguide structure with a periodic structure, e.g. domain inversion, for quasi-phase-matching [QPM]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
    • G02F1/3534—Three-wave interaction, e.g. sum-difference frequency generation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
    • G02F1/3544—Particular phase matching techniques
    • G02F1/3548—Quasi phase matching [QPM], e.g. using a periodic domain inverted structure
GB9824058A 1998-11-03 1998-11-03 An optical device Expired - Lifetime GB2343964B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9824058A GB2343964B (en) 1998-11-03 1998-11-03 An optical device
GB9903307A GB2347756B (en) 1998-11-03 1999-02-12 A radiation source and imaging system
JP11312673A JP2000214506A (en) 1998-11-03 1999-11-02 Radiation light source and image pickup system
US09/432,762 US6388799B1 (en) 1998-11-03 1999-11-03 Optical device and imaging system
JP11314136A JP2000162656A (en) 1998-11-03 1999-11-04 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9824058A GB2343964B (en) 1998-11-03 1998-11-03 An optical device

Publications (3)

Publication Number Publication Date
GB9824058D0 true GB9824058D0 (en) 1998-12-30
GB2343964A GB2343964A (en) 2000-05-24
GB2343964B GB2343964B (en) 2000-11-01

Family

ID=10841763

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9824058A Expired - Lifetime GB2343964B (en) 1998-11-03 1998-11-03 An optical device
GB9903307A Expired - Lifetime GB2347756B (en) 1998-11-03 1999-02-12 A radiation source and imaging system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9903307A Expired - Lifetime GB2347756B (en) 1998-11-03 1999-02-12 A radiation source and imaging system

Country Status (2)

Country Link
JP (1) JP2000162656A (en)
GB (2) GB2343964B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000214506A (en) * 1998-11-03 2000-08-04 Toshiba Research Europe Ltd Radiation light source and image pickup system
AU2001267061A1 (en) 2000-06-09 2001-12-17 Linda P. B. Katehi Scanning electromagnetic-field imager with optical-fiber-based electro-optic field-mapping system
US6684008B2 (en) 2000-09-01 2004-01-27 The University Of British Columbia Planar photonic bandgap structures for controlling radiation loss
US6906506B1 (en) 2001-06-08 2005-06-14 The Regents Of The University Of Michigan Method and apparatus for simultaneous measurement of electric field and temperature using an electrooptic semiconductor probe
WO2003005002A1 (en) * 2001-07-02 2003-01-16 Advantest Corporation Propagation measurement apparatus and propagation measurement method
JP2004279604A (en) * 2003-03-13 2004-10-07 Fuji Xerox Co Ltd Wavelength converter
EP1642153B1 (en) 2003-06-25 2009-10-28 Canon Kabushiki Kaisha High frequency electrical signal control device and sensing system
JP2006235381A (en) * 2005-02-25 2006-09-07 Nippon Telegr & Teleph Corp <Ntt> Electromagnetic wave generator and method for manufacturing the same
CN100440020C (en) * 2006-12-27 2008-12-03 华中科技大学 Micro Nano silicon based optical amplifier, and method for preparing gain medium of the amplifier
DE102007025891A1 (en) * 2007-06-01 2008-12-11 Johann Wolfgang Goethe-Universität Frankfurt am Main Apparatus and method for generating and detecting coherent electromagnetic radiation in the THz frequency range
JP5098895B2 (en) * 2008-08-26 2012-12-12 アイシン精機株式会社 Terahertz wave generation apparatus and terahertz wave generation method
JP5363678B2 (en) 2011-03-17 2013-12-11 日本碍子株式会社 Electromagnetic radiation element and method for manufacturing the same
US8682129B2 (en) * 2012-01-20 2014-03-25 Micron Technology, Inc. Photonic device and methods of formation
WO2014191344A1 (en) * 2013-05-28 2014-12-04 Paul Scherrer Institut Terahertz laser system
CN103411903B (en) * 2013-07-29 2015-04-29 南开大学 THz radiation reinforcing method through light line array
JP6397318B2 (en) 2014-11-26 2018-09-26 浜松ホトニクス株式会社 Electric field vector detection method and electric field vector detection device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4884276A (en) * 1987-11-25 1989-11-28 Amoco Corporation Optical feedback control in the frequency conversion of laser diode radiation
JPH03251826A (en) * 1990-01-25 1991-11-11 Oki Electric Ind Co Ltd Second harmonic generating element
JP2721436B2 (en) * 1990-11-07 1998-03-04 沖電気工業株式会社 Second harmonic generator
US5038352A (en) * 1990-11-13 1991-08-06 International Business Machines Incorporation Laser system and method using a nonlinear crystal resonator
US5363388A (en) * 1991-10-18 1994-11-08 Cedars-Sinai Medical Center Continuously tunable solid state ultraviolet coherent light source
US5619369A (en) * 1992-07-16 1997-04-08 Matsushita Electric Industrial Co., Ltd. Diffracting device having distributed bragg reflector and wavelength changing device having optical waveguide with periodically inverted-polarization layers
US5345457A (en) * 1993-02-02 1994-09-06 Schwartz Electro-Optics, Inc. Dual wavelength laser system with intracavity sum frequency mixing
JP3187290B2 (en) * 1995-07-25 2001-07-11 沖電気工業株式会社 Wavelength conversion device and wavelength conversion method
US5802086A (en) * 1996-01-29 1998-09-01 Laser Power Corporation Single cavity solid state laser with intracavity optical frequency mixing
US5640405A (en) * 1996-02-01 1997-06-17 Lighthouse Electronics Corporation Multi quasi phase matched interactions in a non-linear crystal
US5673281A (en) * 1996-04-20 1997-09-30 Board Of Trustees Of The Leland Stanford Junior University Solid state system for frequency conversion using raman-active media and non-linear media
US5789750A (en) * 1996-09-09 1998-08-04 Lucent Technologies Inc. Optical system employing terahertz radiation

Also Published As

Publication number Publication date
GB2347756B (en) 2001-08-01
GB2347756A (en) 2000-09-13
GB2343964B (en) 2000-11-01
JP2000162656A (en) 2000-06-16
GB9903307D0 (en) 1999-04-07
GB2343964A (en) 2000-05-24

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20181102