JPH0693044B2 - プリズム光学系及びそれを用いた情報装置 - Google Patents

プリズム光学系及びそれを用いた情報装置

Info

Publication number
JPH0693044B2
JPH0693044B2 JP60055830A JP5583085A JPH0693044B2 JP H0693044 B2 JPH0693044 B2 JP H0693044B2 JP 60055830 A JP60055830 A JP 60055830A JP 5583085 A JP5583085 A JP 5583085A JP H0693044 B2 JPH0693044 B2 JP H0693044B2
Authority
JP
Japan
Prior art keywords
prism
refractive index
light beam
change
optical system
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 - Lifetime
Application number
JP60055830A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61217002A (ja
Inventor
滋 中村
貞夫 高橋
正輝 渡辺
昭 有本
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP60055830A priority Critical patent/JPH0693044B2/ja
Priority to DE19863609657 priority patent/DE3609657A1/de
Publication of JPS61217002A publication Critical patent/JPS61217002A/ja
Priority to US07/382,025 priority patent/US5016237A/en
Publication of JPH0693044B2 publication Critical patent/JPH0693044B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0972—Prisms
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Head (AREA)
JP60055830A 1985-03-22 1985-03-22 プリズム光学系及びそれを用いた情報装置 Expired - Lifetime JPH0693044B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP60055830A JPH0693044B2 (ja) 1985-03-22 1985-03-22 プリズム光学系及びそれを用いた情報装置
DE19863609657 DE3609657A1 (de) 1985-03-22 1986-03-21 Prismenoptik
US07/382,025 US5016237A (en) 1985-03-22 1989-07-19 Prism optics stable with respect to wavelength and temperature variations and optical information processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60055830A JPH0693044B2 (ja) 1985-03-22 1985-03-22 プリズム光学系及びそれを用いた情報装置

Publications (2)

Publication Number Publication Date
JPS61217002A JPS61217002A (ja) 1986-09-26
JPH0693044B2 true JPH0693044B2 (ja) 1994-11-16

Family

ID=13009885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60055830A Expired - Lifetime JPH0693044B2 (ja) 1985-03-22 1985-03-22 プリズム光学系及びそれを用いた情報装置

Country Status (3)

Country Link
US (1) US5016237A (en, 2012)
JP (1) JPH0693044B2 (en, 2012)
DE (1) DE3609657A1 (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0827401B2 (ja) * 1987-02-12 1996-03-21 株式会社コパル ビ−ム成形プリズム
JPS63197901A (ja) * 1987-02-12 1988-08-16 Copal Co Ltd ビ−ム成形プリズム
JPS6449136A (en) * 1987-08-19 1989-02-23 Matsushita Electric Ind Co Ltd Optical head
JPS6449135A (en) * 1987-08-19 1989-02-23 Matsushita Electric Ind Co Ltd Optical head
JPH0422913A (ja) * 1990-05-18 1992-01-27 Nikon Corp 色消ビーム整形光学系
US5237457A (en) * 1990-10-04 1993-08-17 Asahi Kogaku Kogyo Kabushiki Kaisha Apparatus for adjusting an optical axis including a laser beam source and a beam shaping prism
JPH04301245A (ja) * 1991-03-28 1992-10-23 Canon Inc 光磁気記録再生用光ヘッド
US5477386A (en) * 1991-07-24 1995-12-19 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system for optical disc apparatus including anamorphic prisms
US5226054A (en) * 1991-09-18 1993-07-06 Coherent, Inc. Cavity mirror for suppressing high gain laser wavelengths
JP3351046B2 (ja) * 1993-09-22 2002-11-25 ソニー株式会社 レーザ製版装置
DE19611037C2 (de) * 1996-03-20 1998-11-05 Heckl Oestreicher Brigitte Dr Polarisierender Strahlteiler auf der Basis von Wollaston-Prismen
EP0891620A1 (en) * 1996-12-24 1999-01-20 Koninklijke Philips Electronics N.V. Optical system having an increased angular scan range
JP2003067968A (ja) * 2001-08-27 2003-03-07 Olympus Optical Co Ltd 光ヘッド
JP5055612B2 (ja) * 2005-10-04 2012-10-24 株式会社ニコン プリズムおよび分光器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780140A (en) * 1955-03-31 1957-02-05 Eastman Kodak Co Prism zoom system having deviation correcting means
US3871750A (en) * 1971-12-13 1975-03-18 Singer Co Focusing roll and displacement prisms
US3856380A (en) * 1973-05-15 1974-12-24 Us Navy Prism to separate a second harmonic from its fundamental frequency
NL176314C (nl) * 1974-02-15 1985-03-18 Philips Nv Inrichting voor het uitlezen van een registratiedrager waarop informatie is aangebracht in een optisch uitleesbare structuur.
NL7402169A (nl) * 1974-02-15 1975-08-19 Philips Nv Inrichting voor het uitlezen van een registra- tiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur.
NL7414776A (nl) * 1974-11-13 1976-05-17 Philips Nv Inrichting voor het uitlezen van een registra- tiedrager met een optische informatiestruktuur.
US4017160A (en) * 1975-09-19 1977-04-12 Minnesota Mining And Manufacturing Company Continuously variable anamorphic lens
US4084881A (en) * 1975-10-21 1978-04-18 Canon Kabushiki Kaisha Light beam scanning device
US4333173A (en) * 1979-06-15 1982-06-01 Hitachi, Ltd. Optical information processor with prismatic correction of laser beam shape
DE3376172D1 (en) * 1982-01-22 1988-05-05 Hitachi Ltd Method and apparatus for reducing semiconductor laser optical noise
JPH0687316B2 (ja) * 1983-02-10 1994-11-02 オリンパス光学工業株式会社 光学式再生装置
US4770507A (en) * 1984-03-09 1988-09-13 Hitachi, Ltd. Prism optics and optical information processing apparatus
JPS6246401U (en, 2012) * 1985-09-07 1987-03-20

Also Published As

Publication number Publication date
JPS61217002A (ja) 1986-09-26
US5016237A (en) 1991-05-14
DE3609657A1 (de) 1986-10-02
DE3609657C2 (en, 2012) 1993-04-29

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term