JPS62119512A - 光デイスク用レンズ - Google Patents

光デイスク用レンズ

Info

Publication number
JPS62119512A
JPS62119512A JP60260644A JP26064485A JPS62119512A JP S62119512 A JPS62119512 A JP S62119512A JP 60260644 A JP60260644 A JP 60260644A JP 26064485 A JP26064485 A JP 26064485A JP S62119512 A JPS62119512 A JP S62119512A
Authority
JP
Japan
Prior art keywords
lens
refractive index
temperature
optical disc
focus
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.)
Granted
Application number
JP60260644A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6327685B2 (enExample
Inventor
Takahiro Sugiyama
孝浩 杉山
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP60260644A priority Critical patent/JPS62119512A/ja
Priority to US06/931,821 priority patent/US4721373A/en
Publication of JPS62119512A publication Critical patent/JPS62119512A/ja
Publication of JPS6327685B2 publication Critical patent/JPS6327685B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
    • G02B9/10—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only one + and one - component
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP60260644A 1985-11-19 1985-11-19 光デイスク用レンズ Granted JPS62119512A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60260644A JPS62119512A (ja) 1985-11-19 1985-11-19 光デイスク用レンズ
US06/931,821 US4721373A (en) 1985-11-19 1986-11-18 Lens system for use with an optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60260644A JPS62119512A (ja) 1985-11-19 1985-11-19 光デイスク用レンズ

Publications (2)

Publication Number Publication Date
JPS62119512A true JPS62119512A (ja) 1987-05-30
JPS6327685B2 JPS6327685B2 (enExample) 1988-06-03

Family

ID=17350777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60260644A Granted JPS62119512A (ja) 1985-11-19 1985-11-19 光デイスク用レンズ

Country Status (2)

Country Link
US (1) US4721373A (enExample)
JP (1) JPS62119512A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02235009A (ja) * 1989-01-31 1990-09-18 Precision Opt Corp 光学接続器
KR100658200B1 (ko) * 1998-08-07 2006-12-21 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학 주사장치 및 이 장치를 구비한 정보 평면에 정보를판독 및/또는 기록하는 광학장치

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8700440A (nl) * 1987-02-23 1988-09-16 Philips Nv Optische inrichting bevattende een houder met daarin aangebracht een optisch stelsel.
FR2642883B1 (enExample) * 1989-02-09 1995-06-02 Asahi Optical Co Ltd
US5412510A (en) * 1989-05-15 1995-05-02 Asahi Kogaku Kogyo Kabushiki Kaisha Imaging optical system for compensating change of temperature
JPH05100161A (ja) * 1991-10-11 1993-04-23 Nikon Corp 光デイスク用対物レンズ
US5677798A (en) * 1993-10-28 1997-10-14 Asahi Kogaku Kogyo Kabushiki Kaisha Image forming lens system
KR20010034527A (ko) * 1998-12-22 2001-04-25 요트.게.아. 롤페즈 광학 렌즈계 및 이러한 렌즈계를 구비한 광 주사장치
US6785061B2 (en) * 2002-11-21 2004-08-31 Agilent Technologies, Inc. Converging air lens structures
US7529030B2 (en) * 2004-09-06 2009-05-05 Olympus Corporation Optical apparatus with optical element made of a medium exhibiting negative refraction
US7570386B2 (en) * 2005-09-15 2009-08-04 Lexmark International, Inc. Systems and methods that compensate for scan path errors in a multi-beam electrophotographic imaging apparatus
US8274743B2 (en) 2010-04-08 2012-09-25 Scaggs Michael J Thermally compensating lens for high power lasers
DE102012108214B4 (de) 2012-09-04 2014-04-30 Highyag Lasertechnologie Gmbh Optik mit stabilisierter Fokuslage für Hochleistungslaser
DE202016100006U1 (de) 2016-01-04 2017-04-06 Sick Ag Temperaturinvariante Linsenkombination, insbesondere für einen Sensor sowie eine Sensoreinheit
DE102016100070B4 (de) 2016-01-04 2020-06-04 Sick Ag Temperaturinvariante Linsenkombination, insbesondere für einen Sensor sowie eine Sensoreinheit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838915A (ja) * 1981-09-01 1983-03-07 Sankyo Seiki Mfg Co Ltd 半導体レ−ザ−用コリメ−トレンズ系
JPS59211013A (ja) * 1983-05-16 1984-11-29 Fuji Photo Optical Co Ltd 温度補償を施したプラスチツク対物レンズ系

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS576820A (en) * 1980-06-17 1982-01-13 Canon Inc Optical system for copying having temperature compensating lens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838915A (ja) * 1981-09-01 1983-03-07 Sankyo Seiki Mfg Co Ltd 半導体レ−ザ−用コリメ−トレンズ系
JPS59211013A (ja) * 1983-05-16 1984-11-29 Fuji Photo Optical Co Ltd 温度補償を施したプラスチツク対物レンズ系

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02235009A (ja) * 1989-01-31 1990-09-18 Precision Opt Corp 光学接続器
KR100658200B1 (ko) * 1998-08-07 2006-12-21 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학 주사장치 및 이 장치를 구비한 정보 평면에 정보를판독 및/또는 기록하는 광학장치

Also Published As

Publication number Publication date
US4721373A (en) 1988-01-26
JPS6327685B2 (enExample) 1988-06-03

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees