GB2362721B - Laser illumination with speckle reduction - Google Patents

Laser illumination with speckle reduction

Info

Publication number
GB2362721B
GB2362721B GB0117296A GB0117296A GB2362721B GB 2362721 B GB2362721 B GB 2362721B GB 0117296 A GB0117296 A GB 0117296A GB 0117296 A GB0117296 A GB 0117296A GB 2362721 B GB2362721 B GB 2362721B
Authority
GB
United Kingdom
Prior art keywords
laser illumination
speckle reduction
speckle
reduction
illumination
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
GB0117296A
Other languages
English (en)
Other versions
GB0117296D0 (en
GB2362721A (en
Inventor
Paul F Michaloski
Bryan D Stone
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.)
Tropel Corp
Original Assignee
Tropel 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 Tropel Corp filed Critical Tropel Corp
Publication of GB0117296D0 publication Critical patent/GB0117296D0/en
Publication of GB2362721A publication Critical patent/GB2362721A/en
Application granted granted Critical
Publication of GB2362721B publication Critical patent/GB2362721B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/147—Beam splitting or combining systems operating by reflection only using averaging effects by spatially variable reflectivity on a microscopic level, e.g. polka dots, chequered or discontinuous patterns, or rapidly moving surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/48—Laser speckle optics

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Lasers (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
GB0117296A 1999-01-20 2000-01-19 Laser illumination with speckle reduction Expired - Fee Related GB2362721B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11648299P 1999-01-20 1999-01-20
PCT/US2000/001261 WO2000043822A1 (en) 1999-01-20 2000-01-19 Laser illumination with speckle reduction

Publications (3)

Publication Number Publication Date
GB0117296D0 GB0117296D0 (en) 2001-09-05
GB2362721A GB2362721A (en) 2001-11-28
GB2362721B true GB2362721B (en) 2002-10-09

Family

ID=22367435

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0117296A Expired - Fee Related GB2362721B (en) 1999-01-20 2000-01-19 Laser illumination with speckle reduction

Country Status (5)

Country Link
US (1) US6191887B1 (https=)
JP (1) JP2003509835A (https=)
DE (1) DE10083900T1 (https=)
GB (1) GB2362721B (https=)
WO (1) WO2000043822A1 (https=)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN110515216A (zh) * 2019-07-19 2019-11-29 四川大学 一种光强和偏振快速旋转的光场调控方法

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Publication number Priority date Publication date Assignee Title
CN110515216A (zh) * 2019-07-19 2019-11-29 四川大学 一种光强和偏振快速旋转的光场调控方法
CN110515216B (zh) * 2019-07-19 2021-03-26 四川大学 一种光强和偏振快速旋转的光场调控方法

Also Published As

Publication number Publication date
DE10083900T1 (de) 2001-12-13
JP2003509835A (ja) 2003-03-11
US6191887B1 (en) 2001-02-20
GB0117296D0 (en) 2001-09-05
WO2000043822A1 (en) 2000-07-27
GB2362721A (en) 2001-11-28

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Effective date: 20090119