HK76293A - Optical scanning device, mirror objective suitable for use therein and an optical recording and/or reproducing apparatus provided therewith - Google Patents

Optical scanning device, mirror objective suitable for use therein and an optical recording and/or reproducing apparatus provided therewith Download PDF

Info

Publication number
HK76293A
HK76293A HK762/93A HK76293A HK76293A HK 76293 A HK76293 A HK 76293A HK 762/93 A HK762/93 A HK 762/93A HK 76293 A HK76293 A HK 76293A HK 76293 A HK76293 A HK 76293A
Authority
HK
Hong Kong
Prior art keywords
radiation
scanning device
grating
reflector
scanning
Prior art date
Application number
HK762/93A
Other languages
German (de)
English (en)
French (fr)
Inventor
Willem Gerard Opheij
Josephus Johannes Maria Braat
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of HK76293A publication Critical patent/HK76293A/en

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)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holo Graphy (AREA)
HK762/93A 1987-06-11 1993-07-29 Optical scanning device, mirror objective suitable for use therein and an optical recording and/or reproducing apparatus provided therewith HK76293A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK76293A true HK76293A (en) 1993-08-06

Family

ID=19850128

Family Applications (1)

Application Number Title Priority Date Filing Date
HK762/93A HK76293A (en) 1987-06-11 1993-07-29 Optical scanning device, mirror objective suitable for use therein and an optical recording and/or reproducing apparatus provided therewith

Country Status (12)

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

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US5161057A (en) * 1988-09-12 1992-11-03 Johnson Kenneth C Dispersion-compensated fresnel lens
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.
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.
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
DE59408794D1 (de) * 1993-06-03 1999-11-11 Thomson Multimedia Sa Optisches System zur Wiedergabe und/oder Aufzeichnung von Information
TW287239B (cs) * 1994-06-07 1996-10-01 Philips Electronics Nv
TW265419B (cs) * 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
EP0766115B1 (en) * 1995-09-26 1999-11-24 C.R.F. Società Consortile per Azioni Lighting system with a micro-telescope integrated in a transparent plate
ID23169A (id) * 1997-11-22 2000-03-23 Samsung Electronics Co Ltd Sistem optikal katadioptrik, pickup optikal dan drive disk optikal penggunaan yang sama, dan disk optikal
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
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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
US6995886B2 (en) * 2001-06-21 2006-02-07 Koninklijke Philips Electronics N.V. Optical scanning device
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
US9340147B2 (en) * 2011-11-29 2016-05-17 Koito Manufacturing Co., Ltd. Vehicle lamp
EP2875394B1 (en) 2012-07-17 2024-09-11 Ecole Polytechnique Fédérale de Lausanne (EPFL) Reflective optical objective
EP3278166A2 (en) 2015-03-31 2018-02-07 Samantree Medical SA Systems and methods for in-operating-theatre imaging of fresh tissue resected during surgery for pathology assessment
CN109154660A (zh) * 2016-05-19 2019-01-04 皇家飞利浦有限公司 紧凑型激光传感器
JP7041960B2 (ja) * 2016-09-08 2022-03-25 ナノフォトン株式会社 反射対物レンズ、及び観察方法
WO2018078793A1 (ja) * 2016-10-28 2018-05-03 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
US11747603B2 (en) 2017-10-31 2023-09-05 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
US10539776B2 (en) 2017-10-31 2020-01-21 Samantree Medical Sa Imaging systems with micro optical element arrays and methods of specimen imaging
KR102420255B1 (ko) * 2020-08-26 2022-07-13 부산대학교 산학협력단 노광시스템용 광학소자

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Also Published As

Publication number Publication date
CS401088A2 (en) 1991-09-15
ES2028988T3 (es) 1992-07-16
SG67193G (en) 1993-08-06
DD281673A5 (de) 1990-08-15
DE3866959D1 (de) 1992-01-30
EP0294902A1 (en) 1988-12-14
KR0127482B1 (ko) 1997-12-29
ATE70654T1 (de) 1992-01-15
JP2650967B2 (ja) 1997-09-10
CN1020215C (zh) 1993-03-31
US4835380A (en) 1989-05-30
CN1030319A (zh) 1989-01-11
KR890001042A (ko) 1989-03-18
JPS63313329A (ja) 1988-12-21
EP0294902B1 (en) 1991-12-18

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050607