AU6169490A - Diffraction grating assembly - Google Patents

Diffraction grating assembly

Info

Publication number
AU6169490A
AU6169490A AU61694/90A AU6169490A AU6169490A AU 6169490 A AU6169490 A AU 6169490A AU 61694/90 A AU61694/90 A AU 61694/90A AU 6169490 A AU6169490 A AU 6169490A AU 6169490 A AU6169490 A AU 6169490A
Authority
AU
Australia
Prior art keywords
diffraction grating
grating assembly
assembly
diffraction
grating
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.)
Abandoned
Application number
AU61694/90A
Other languages
English (en)
Inventor
Anthony David Welbourn
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of AU6169490A publication Critical patent/AU6169490A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
    • H01S3/1055—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length one of the reflectors being constituted by a diffraction grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1828—Diffraction gratings having means for producing variable diffraction

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
AU61694/90A 1989-08-24 1990-08-16 Diffraction grating assembly Abandoned AU6169490A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898919220A GB8919220D0 (en) 1989-08-24 1989-08-24 Diffraction grating assembly
GB8919220 1989-08-24

Publications (1)

Publication Number Publication Date
AU6169490A true AU6169490A (en) 1991-04-03

Family

ID=10662042

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61694/90A Abandoned AU6169490A (en) 1989-08-24 1990-08-16 Diffraction grating assembly

Country Status (3)

Country Link
AU (1) AU6169490A (fr)
GB (1) GB8919220D0 (fr)
WO (1) WO1991002991A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6724125B2 (en) 1999-03-30 2004-04-20 Massachusetts Institute Of Technology Methods and apparatus for diffractive optical processing using an actuatable structure
US7046410B2 (en) 2001-10-11 2006-05-16 Polychromix, Inc. Actuatable diffractive optical processor
US20070194239A1 (en) 2006-01-31 2007-08-23 Mcallister Abraham Apparatus and method providing a hand-held spectrometer
US8659835B2 (en) 2009-03-13 2014-02-25 Optotune Ag Lens systems and method
JP7324619B2 (ja) * 2019-06-04 2023-08-10 スタンレー電気株式会社 光偏向器及び光走査装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059304B1 (fr) * 1978-07-18 1985-10-23 Nippon Telegraph And Telephone Corporation Procédé pour la réalisation d'une structure de réseau de diffraction courbe
US4662746A (en) * 1985-10-30 1987-05-05 Texas Instruments Incorporated Spatial light modulator and method
JPH0769520B2 (ja) * 1985-10-16 1995-07-31 ブリティシュ・テレコミュニケ−ションズ・パブリック・リミテッド・カンパニ 可動部材の取付構造
JPS63129686A (ja) * 1986-11-20 1988-06-02 Matsushita Electric Ind Co Ltd 光帰還型発光装置
DE3732625A1 (de) * 1987-09-28 1989-04-06 Siemens Ag Einmodiger lasersender

Also Published As

Publication number Publication date
WO1991002991A1 (fr) 1991-03-07
GB8919220D0 (en) 1989-10-04

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