NL7404029A - - Google Patents

Info

Publication number
NL7404029A
NL7404029A NL7404029A NL7404029A NL7404029A NL 7404029 A NL7404029 A NL 7404029A NL 7404029 A NL7404029 A NL 7404029A NL 7404029 A NL7404029 A NL 7404029A NL 7404029 A NL7404029 A NL 7404029A
Authority
NL
Netherlands
Application number
NL7404029A
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 filed Critical
Publication of NL7404029A publication Critical patent/NL7404029A/xx

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
    • G02B27/48—Laser speckle optics
    • 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
    • G02F1/01—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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/11—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 for the control of the intensity, phase, polarisation or colour  based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
    • 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
    • G03H1/32—Systems for obtaining speckle elimination
NL7404029A 1973-03-29 1974-03-26 NL7404029A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2315658A DE2315658C3 (de) 1973-03-29 1973-03-29 Verfahren und Vorrichtung zur Verminderung oder Beseitigung der bei Laserstrahlprojektionen auftretenden Granulation

Publications (1)

Publication Number Publication Date
NL7404029A true NL7404029A (xx) 1974-10-01

Family

ID=5876317

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7404029A NL7404029A (xx) 1973-03-29 1974-03-26

Country Status (5)

Country Link
US (1) US3941456A (xx)
DE (1) DE2315658C3 (xx)
FR (1) FR2223717B1 (xx)
GB (1) GB1466425A (xx)
NL (1) NL7404029A (xx)

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JPS604401B2 (ja) * 1975-01-21 1985-02-04 コニカ株式会社 干渉装置
US4035068A (en) * 1975-06-25 1977-07-12 Xerox Corporation Speckle minimization in projection displays by reducing spatial coherence of the image light
US4033683A (en) * 1976-07-14 1977-07-05 Tancredi Henry J Image viewing apparatus
US4155630A (en) * 1977-11-17 1979-05-22 University Of Delaware Speckle elimination by random spatial phase modulation
GB8410973D0 (en) * 1984-04-30 1984-06-06 Crosfield Electronics Ltd Modifying coherent radiation
US4874223A (en) * 1987-08-10 1989-10-17 Hughes Aircraft Company Optical notch filter for discriminating against coherent radiation
JPH02500547A (ja) * 1987-08-10 1990-02-22 ヒユーズ・エアクラフト・カンパニー コヒーレント放射に対する弁別用光ノッチフィルタ
US5873845A (en) * 1997-03-17 1999-02-23 General Electric Company Ultrasound transducer with focused ultrasound refraction plate
US6303986B1 (en) * 1998-07-29 2001-10-16 Silicon Light Machines Method of and apparatus for sealing an hermetic lid to a semiconductor die
US6872984B1 (en) 1998-07-29 2005-03-29 Silicon Light Machines Corporation Method of sealing a hermetic lid to a semiconductor die at an angle
US6191887B1 (en) 1999-01-20 2001-02-20 Tropel Corporation Laser illumination with speckle reduction
ATE225947T1 (de) * 1999-04-12 2002-10-15 Deutsche Telekom Ag Verfahren und vorrichtung zur reduktion der speckelbildung an einem projektionsschirm
DE19924519A1 (de) 1999-04-12 2000-10-19 Deutsche Telekom Ag Verfahren und Vorrichtung zur Reduktion der Speckelsbildung an einem Projektionsschirm
US6956878B1 (en) 2000-02-07 2005-10-18 Silicon Light Machines Corporation Method and apparatus for reducing laser speckle using polarization averaging
US6323984B1 (en) 2000-10-11 2001-11-27 Silicon Light Machines Method and apparatus for reducing laser speckle
US6387723B1 (en) * 2001-01-19 2002-05-14 Silicon Light Machines Reduced surface charging in silicon-based devices
US7177081B2 (en) * 2001-03-08 2007-02-13 Silicon Light Machines Corporation High contrast grating light valve type device
US6707591B2 (en) * 2001-04-10 2004-03-16 Silicon Light Machines Angled illumination for a single order light modulator based projection system
US20030208753A1 (en) * 2001-04-10 2003-11-06 Silicon Light Machines Method, system, and display apparatus for encrypted cinema
US6865346B1 (en) 2001-06-05 2005-03-08 Silicon Light Machines Corporation Fiber optic transceiver
US6747781B2 (en) 2001-06-25 2004-06-08 Silicon Light Machines, Inc. Method, apparatus, and diffuser for reducing laser speckle
US6782205B2 (en) * 2001-06-25 2004-08-24 Silicon Light Machines Method and apparatus for dynamic equalization in wavelength division multiplexing
US6646778B2 (en) * 2001-08-01 2003-11-11 Silicon Light Machines Grating light valve with encapsulated dampening gas
US6829092B2 (en) * 2001-08-15 2004-12-07 Silicon Light Machines, Inc. Blazed grating light valve
US6639722B2 (en) * 2001-08-15 2003-10-28 Silicon Light Machines Stress tuned blazed grating light valve
US6930364B2 (en) 2001-09-13 2005-08-16 Silicon Light Machines Corporation Microelectronic mechanical system and methods
US6956995B1 (en) 2001-11-09 2005-10-18 Silicon Light Machines Corporation Optical communication arrangement
US6692129B2 (en) * 2001-11-30 2004-02-17 Silicon Light Machines Display apparatus including RGB color combiner and 1D light valve relay including schlieren filter
US6800238B1 (en) 2002-01-15 2004-10-05 Silicon Light Machines, Inc. Method for domain patterning in low coercive field ferroelectrics
US6728023B1 (en) 2002-05-28 2004-04-27 Silicon Light Machines Optical device arrays with optimized image resolution
US6767751B2 (en) * 2002-05-28 2004-07-27 Silicon Light Machines, Inc. Integrated driver process flow
US6839479B2 (en) * 2002-05-29 2005-01-04 Silicon Light Machines Corporation Optical switch
US7054515B1 (en) 2002-05-30 2006-05-30 Silicon Light Machines Corporation Diffractive light modulator-based dynamic equalizer with integrated spectral monitor
US6822797B1 (en) 2002-05-31 2004-11-23 Silicon Light Machines, Inc. Light modulator structure for producing high-contrast operation using zero-order light
US6829258B1 (en) 2002-06-26 2004-12-07 Silicon Light Machines, Inc. Rapidly tunable external cavity laser
US6714337B1 (en) 2002-06-28 2004-03-30 Silicon Light Machines Method and device for modulating a light beam and having an improved gamma response
US6908201B2 (en) * 2002-06-28 2005-06-21 Silicon Light Machines Corporation Micro-support structures
US6813059B2 (en) * 2002-06-28 2004-11-02 Silicon Light Machines, Inc. Reduced formation of asperities in contact micro-structures
US7057795B2 (en) 2002-08-20 2006-06-06 Silicon Light Machines Corporation Micro-structures with individually addressable ribbon pairs
US6801354B1 (en) 2002-08-20 2004-10-05 Silicon Light Machines, Inc. 2-D diffraction grating for substantially eliminating polarization dependent losses
US6712480B1 (en) 2002-09-27 2004-03-30 Silicon Light Machines Controlled curvature of stressed micro-structures
US6928207B1 (en) 2002-12-12 2005-08-09 Silicon Light Machines Corporation Apparatus for selectively blocking WDM channels
US6987600B1 (en) * 2002-12-17 2006-01-17 Silicon Light Machines Corporation Arbitrary phase profile for better equalization in dynamic gain equalizer
US7057819B1 (en) 2002-12-17 2006-06-06 Silicon Light Machines Corporation High contrast tilting ribbon blazed grating
US6934070B1 (en) 2002-12-18 2005-08-23 Silicon Light Machines Corporation Chirped optical MEM device
US6927891B1 (en) 2002-12-23 2005-08-09 Silicon Light Machines Corporation Tilt-able grating plane for improved crosstalk in 1×N blaze switches
US7068372B1 (en) 2003-01-28 2006-06-27 Silicon Light Machines Corporation MEMS interferometer-based reconfigurable optical add-and-drop multiplexor
US7286764B1 (en) 2003-02-03 2007-10-23 Silicon Light Machines Corporation Reconfigurable modulator-based optical add-and-drop multiplexer
US6947613B1 (en) 2003-02-11 2005-09-20 Silicon Light Machines Corporation Wavelength selective switch and equalizer
US6922272B1 (en) 2003-02-14 2005-07-26 Silicon Light Machines Corporation Method and apparatus for leveling thermal stress variations in multi-layer MEMS devices
US7027202B1 (en) 2003-02-28 2006-04-11 Silicon Light Machines Corp Silicon substrate as a light modulator sacrificial layer
US7391973B1 (en) 2003-02-28 2008-06-24 Silicon Light Machines Corporation Two-stage gain equalizer
US6806997B1 (en) 2003-02-28 2004-10-19 Silicon Light Machines, Inc. Patterned diffractive light modulator ribbon for PDL reduction
US6829077B1 (en) 2003-02-28 2004-12-07 Silicon Light Machines, Inc. Diffractive light modulator with dynamically rotatable diffraction plane
US6922273B1 (en) 2003-02-28 2005-07-26 Silicon Light Machines Corporation PDL mitigation structure for diffractive MEMS and gratings
US7042611B1 (en) 2003-03-03 2006-05-09 Silicon Light Machines Corporation Pre-deflected bias ribbons
US8016428B2 (en) * 2005-06-20 2011-09-13 Panasonic Corporation 2-dimensional image display device or illumination device for obtaining uniform illumination and suppressing speckle noise
US20080106779A1 (en) * 2006-11-02 2008-05-08 Infocus Corporation Laser Despeckle Device
EP2196844B1 (en) * 2008-12-10 2014-09-10 Delphi Technologies, Inc. A projection unit having a speckle suppression device based on piezoelectric actuating

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650608A (en) * 1969-12-23 1972-03-21 Texas Instruments Inc Method and apparatus for displaying coherent light images
US3851961A (en) * 1971-04-28 1974-12-03 Siemens Ag Light projection apparatus

Also Published As

Publication number Publication date
DE2315658B2 (de) 1977-02-10
US3941456A (en) 1976-03-02
FR2223717B1 (xx) 1978-08-11
DE2315658A1 (de) 1974-10-03
DE2315658C3 (de) 1980-11-20
FR2223717A1 (xx) 1974-10-25
GB1466425A (en) 1977-03-09

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