CS401088A2 - Scanning device for information level scanning on record's optical carrier by means of optical radiation - Google Patents

Scanning device for information level scanning on record's optical carrier by means of optical radiation Download PDF

Info

Publication number
CS401088A2
CS401088A2 CS884010A CS401088A CS401088A2 CS 401088 A2 CS401088 A2 CS 401088A2 CS 884010 A CS884010 A CS 884010A CS 401088 A CS401088 A CS 401088A CS 401088 A2 CS401088 A2 CS 401088A2
Authority
CS
Czechoslovakia
Prior art keywords
radiation
optical
reflector
window
grid
Prior art date
Application number
CS884010A
Other languages
Czech (cs)
English (en)
Inventor
Willem Gerard Opheij
Josephus Johannes Maria Braat
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CS401088A2 publication Critical patent/CS401088A2/cs

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
    • G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0804—Catadioptric systems using two curved mirrors
    • G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
    • 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
    • G02B27/108—Beam splitting or combining systems for sampling a portion of a beam or combining a small beam in a larger one, e.g. wherein the area ratio or power ratio of the divided beams significantly differs from unity, 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
    • G02B27/1086—Beam splitting or combining systems operating by diffraction only
    • G02B27/1093—Beam splitting or combining systems operating by diffraction only for use with monochromatic radiation only, e.g. devices for splitting a single laser source
    • 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
    • G02B27/16—Beam splitting or combining systems used as aids for focusing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B2007/13725—Catadioptric lenses, i.e. having at least one internal reflective surface
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0909—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by astigmatic methods
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0916—Foucault or knife-edge methods

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Holo Graphy (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CS884010A 1987-06-11 1988-06-09 Scanning device for information level scanning on record's optical carrier by means of optical radiation CS401088A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8701359 1987-06-11

Publications (1)

Publication Number Publication Date
CS401088A2 true CS401088A2 (en) 1991-09-15

Family

ID=19850128

Family Applications (1)

Application Number Title Priority Date Filing Date
CS884010A CS401088A2 (en) 1987-06-11 1988-06-09 Scanning device for information level scanning on record's optical carrier by means of optical radiation

Country Status (12)

Country Link
US (1) US4835380A (de)
EP (1) EP0294902B1 (de)
JP (1) JP2650967B2 (de)
KR (1) KR0127482B1 (de)
CN (1) CN1020215C (de)
AT (1) ATE70654T1 (de)
CS (1) CS401088A2 (de)
DD (1) DD281673A5 (de)
DE (1) DE3866959D1 (de)
ES (1) ES2028988T3 (de)
HK (1) HK76293A (de)
SG (1) SG67193G (de)

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US5161057A (en) * 1988-09-12 1992-11-03 Johnson Kenneth C Dispersion-compensated fresnel lens
WO1990002963A1 (en) * 1988-09-12 1990-03-22 Johnson Kenneth C Dispersion-compensating diffraction grating
NL8803055A (nl) * 1988-12-13 1990-07-02 Philips Nv Optische aftastinrichting, spiegelobjektief geschikt voor toepassing daarin en optisch inschrijf- en/of uitleesapparaat voorzien van deze aftastinrichting.
NL8803048A (nl) * 1988-12-13 1990-07-02 Philips Nv Optische aftastinrichting, spiegelobjektief geschikt voor toepassing daarin en optische inschrijf- en/of uitleesapparaat voorzien van de aftastinrichting.
NL8901245A (nl) * 1989-05-19 1990-12-17 Philips Nv Retrofokus objektieflens en optische aftastinrichting voorzien van een dergelijke lens.
FR2657190B1 (fr) * 1990-01-18 1995-07-21 Thomson Csf Dispositif de lecture de segments oblongs d'un support en defilement.
JP2653009B2 (ja) * 1993-04-02 1997-09-10 日本電気株式会社 光ヘッド装置
EP0627735B1 (de) * 1993-06-03 1999-10-06 THOMSON multimedia Optisches System zur Wiedergabe und/oder Aufzeichnung von Information
TW265419B (de) * 1994-06-07 1995-12-11 Philips Electronics Nv
ES2102309B1 (es) * 1994-06-30 1998-01-01 Puerta Antonio Medina Optica compleja ultracompacta.
CA2177424C (en) * 1995-06-06 2001-02-13 Bruce A. Cameron Solid catadioptric lens
DE69605265T2 (de) * 1995-09-26 2000-05-31 Fiat Ricerche Beleuchtungssystem mit integriertem Mikroteleskop in einer durchsichtigen Platte
BR9806979A (pt) * 1997-11-22 2000-03-14 Samsung Electronics Co Ltda Sistema ótico catadióptrico, captador ótico e unidade de disco ótico empregando o mesmo, e disco ótico
KR100294237B1 (ko) 1998-04-14 2001-09-17 윤종용 카타디옵트릭 대물렌즈를 구비한 광픽업
US6212153B1 (en) * 1998-07-06 2001-04-03 Read-Rite Corporation High NA solid catadioptric focusing device having a flat kinoform phase profile
WO2001023936A1 (en) 1999-09-28 2001-04-05 Tropel Corporation Double mirror catadioptric objective lens system with three optical surface multifunction component
KR100607942B1 (ko) * 1999-11-13 2006-08-03 삼성전자주식회사 기록재생용 광헤드 및 이를 채용한 광기록 재생장치
US6937405B2 (en) * 2000-03-03 2005-08-30 Ricoh Company, Ltd. Optical pickup projecting two laser beams from apparently approximated light-emitting points
US6577453B2 (en) * 2000-04-26 2003-06-10 Fuji Photo Film Co., Ltd. Image reading apparatus
EP1405309A1 (de) * 2001-06-21 2004-04-07 Koninklijke Philips Electronics N.V. Optische abtastvorrichtung
US7553035B2 (en) * 2002-05-07 2009-06-30 Wright Greg J Method and apparatus for constructing a perfect trough parabolic reflector
ES2358102T3 (es) * 2002-10-16 2011-05-05 Bioject, Inc. Conjunto de cartucho para medicamentos y procedimiento de fabricación.
US20090251811A1 (en) * 2005-06-21 2009-10-08 Greg Wright Method and Apparatus for Constructing a Perfect Trough Parabolic Reflector
JP2009217914A (ja) * 2008-03-12 2009-09-24 Sanyo Electric Co Ltd 光ピックアップ装置
US8515223B2 (en) * 2010-07-30 2013-08-20 Hewlett-Packard Development Company. L.P. Lens
CN103133964A (zh) * 2011-11-29 2013-06-05 株式会社小糸制作所 车辆用照明灯具
WO2014013412A1 (en) 2012-07-17 2014-01-23 Ecole Polytechnique Federale De Lausanne (Epfl) Reflective optical objective
WO2016156516A2 (en) 2015-03-31 2016-10-06 Samantree Medical Sa Systems and methods for in-operating-theatre imaging of fresh tissue resected during surgery for pathology assessment
RU2018144786A (ru) * 2016-05-19 2020-06-19 Конинклейке Филипс Н.В. Компактный лазерный датчик
WO2018047714A1 (ja) * 2016-09-08 2018-03-15 ナノフォトン株式会社 反射対物レンズ、及び観察方法
JP6660481B2 (ja) * 2016-10-28 2020-03-11 富士通フロンテック株式会社 ビーム生成光学系及びビーム生成光学系を備える撮像装置
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US10539776B2 (en) 2017-10-31 2020-01-21 Samantree Medical Sa Imaging systems with micro optical element arrays and methods of specimen imaging
US10928621B2 (en) 2017-10-31 2021-02-23 Samantree Medical Sa Sample dishes for use in microscopy and methods of their use
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Also Published As

Publication number Publication date
ATE70654T1 (de) 1992-01-15
JPS63313329A (ja) 1988-12-21
EP0294902B1 (de) 1991-12-18
DD281673A5 (de) 1990-08-15
CN1030319A (zh) 1989-01-11
CN1020215C (zh) 1993-03-31
JP2650967B2 (ja) 1997-09-10
HK76293A (en) 1993-08-06
KR0127482B1 (ko) 1997-12-29
KR890001042A (ko) 1989-03-18
ES2028988T3 (es) 1992-07-16
US4835380A (en) 1989-05-30
DE3866959D1 (de) 1992-01-30
SG67193G (en) 1993-08-06
EP0294902A1 (de) 1988-12-14

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