CN1301358A - 对有限空间相干进行补偿的衍射均化器 - Google Patents

对有限空间相干进行补偿的衍射均化器 Download PDF

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Publication number
CN1301358A
CN1301358A CN98814157A CN98814157A CN1301358A CN 1301358 A CN1301358 A CN 1301358A CN 98814157 A CN98814157 A CN 98814157A CN 98814157 A CN98814157 A CN 98814157A CN 1301358 A CN1301358 A CN 1301358A
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China
Prior art keywords
illumination
diffractive
pixel
image
sub
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CN98814157A
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English (en)
Chinese (zh)
Inventor
R·L·冈瑟
C·L·休梅克
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3M Co
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Minnesota Mining and Manufacturing Co
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Publication of CN1301358A publication Critical patent/CN1301358A/zh
Pending legal-status Critical Current

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    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0944—Diffractive optical elements, e.g. gratings, holograms
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0988—Diaphragms, spatial filters, masks for removing or filtering a part of the beam
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • G03H1/0841—Encoding method mapping the synthesized field into a restricted set of values representative of the modulator parameters, e.g. detour phase coding
    • G03H2001/085—Kinoform, i.e. phase only encoding wherein the computed field is processed into a distribution of phase differences

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Holo Graphy (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
CN98814157A 1998-07-09 1998-10-28 对有限空间相干进行补偿的衍射均化器 Pending CN1301358A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/112,664 1998-07-09
US09/112,664 US6072631A (en) 1998-07-09 1998-07-09 Diffractive homogenizer with compensation for spatial coherence

Publications (1)

Publication Number Publication Date
CN1301358A true CN1301358A (zh) 2001-06-27

Family

ID=22345196

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98814157A Pending CN1301358A (zh) 1998-07-09 1998-10-28 对有限空间相干进行补偿的衍射均化器

Country Status (6)

Country Link
US (2) US6072631A (https=)
EP (1) EP1093595A1 (https=)
JP (1) JP2002520651A (https=)
CN (1) CN1301358A (https=)
AU (1) AU1285899A (https=)
WO (1) WO2000003286A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100516934C (zh) * 2004-08-17 2009-07-22 Limo专利管理有限及两合公司 使光均匀化的装置及制造此装置的方法
CN108112271A (zh) * 2016-01-29 2018-06-01 谷歌有限责任公司 检测图像中的运动
CN109471213A (zh) * 2017-09-08 2019-03-15 罗伯特·博世有限公司 衍射光学元件及其制造方法、激光雷达系统和机动车
CN109946943A (zh) * 2019-04-15 2019-06-28 北京航空航天大学 一种基于光束整形抑制散斑噪声的全息显示系统

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CN100516934C (zh) * 2004-08-17 2009-07-22 Limo专利管理有限及两合公司 使光均匀化的装置及制造此装置的方法
CN108112271A (zh) * 2016-01-29 2018-06-01 谷歌有限责任公司 检测图像中的运动
CN108112271B (zh) * 2016-01-29 2022-06-24 谷歌有限责任公司 用于检测图像中的运动的方法和计算机可读装置
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CN109471213B (zh) * 2017-09-08 2022-03-18 罗伯特·博世有限公司 衍射光学元件及其制造方法、激光雷达系统和机动车
CN109946943A (zh) * 2019-04-15 2019-06-28 北京航空航天大学 一种基于光束整形抑制散斑噪声的全息显示系统
CN109946943B (zh) * 2019-04-15 2020-04-10 北京航空航天大学 一种基于光束整形抑制散斑噪声的全息显示系统

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Publication number Publication date
US6072631A (en) 2000-06-06
US6252714B1 (en) 2001-06-26
EP1093595A1 (en) 2001-04-25
JP2002520651A (ja) 2002-07-09
AU1285899A (en) 2000-02-01
WO2000003286A1 (en) 2000-01-20

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