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ES8608179A1 - Una lente unica que tiene una superficie asferica para la formacion de un punto de exploracion de difraccion limitada. - Google Patents

Una lente unica que tiene una superficie asferica para la formacion de un punto de exploracion de difraccion limitada.

Info

Publication number
ES8608179A1
ES8608179A1 ES538239A ES538239A ES8608179A1 ES 8608179 A1 ES8608179 A1 ES 8608179A1 ES 538239 A ES538239 A ES 538239A ES 538239 A ES538239 A ES 538239A ES 8608179 A1 ES8608179 A1 ES 8608179A1
Authority
ES
Spain
Prior art keywords
lens
aspherical surface
single lens
substrate
curvatures
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
Application number
ES538239A
Other languages
English (en)
Other versions
ES538239A0 (es
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES538239A0 publication Critical patent/ES538239A0/es
Publication of ES8608179A1 publication Critical patent/ES8608179A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" 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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Glass Compositions (AREA)
  • Prostheses (AREA)
  • Eyeglasses (AREA)

Abstract

LENTE SIMPLE CON UNA SUPERFICIE ASFERICA PARA LECTURA/ESCRITURA SOBRE UN SOPORTE OPTICO. CONSISTENTE EN QUE: EL FACTOR DE FORMA, C2/C1 Y EL FACTOR DE LENTE, FF(D/NC1)DF, ESTAN EN LA RELACION C1/C2FAF2BBFBC, PARA AUMENTOS DESDE MF0 HASTA MFC0,222; LA LENTE ESTA CONSTRUIDA CON VIDRIO, Y UNA DE SUS SUPERFICIES ESTA PROVISTA DE UNA CAPA DE PLASTICO CON UNA SUPERFICIE EXTERIOR ASFERICA. SIENDO: LOS COEFICIENTES A, B, C, EL FACTOR F Y LOS VALORES DE LA ABERTURA NUMERICA Y EL INDICE DE REFRACCION N, TOMADOS DE LA TABLA (1). SE UTILIZA PARA FORMAR UN PUNTO DE RADIACION DE EXPLORACION DE DIFRACCION LIMITADA SOBRE UN SOPORTE DE REGISTRO OPTICO, PARA LEER/ESCRIBIR SOBRE EL.
ES538239A 1983-12-07 1984-12-04 Una lente unica que tiene una superficie asferica para la formacion de un punto de exploracion de difraccion limitada. Expired ES8608179A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8304213A NL8304213A (nl) 1983-12-07 1983-12-07 Enkelvoudige lens met een asferisch oppervlak.

Publications (2)

Publication Number Publication Date
ES538239A0 ES538239A0 (es) 1986-06-01
ES8608179A1 true ES8608179A1 (es) 1986-06-01

Family

ID=19842847

Family Applications (1)

Application Number Title Priority Date Filing Date
ES538239A Expired ES8608179A1 (es) 1983-12-07 1984-12-04 Una lente unica que tiene una superficie asferica para la formacion de un punto de exploracion de difraccion limitada.

Country Status (12)

Country Link
US (1) US4668056A (es)
EP (1) EP0146178B1 (es)
JP (1) JPH0614135B2 (es)
AT (1) ATE42151T1 (es)
AU (1) AU573659B2 (es)
CA (1) CA1255527A (es)
DD (1) DD229507A5 (es)
DE (1) DE3477695D1 (es)
DK (1) DK160109B (es)
ES (1) ES8608179A1 (es)
NL (1) NL8304213A (es)
SG (1) SG86490G (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61144616A (ja) * 1984-12-18 1986-07-02 Olympus Optical Co Ltd 明るい広角レンズ
NL8502225A (nl) * 1985-06-10 1987-01-02 Philips Nv Replika lens en methode voor de vervaardiging ervan.
US4768867A (en) * 1985-09-02 1988-09-06 Canon Kabushiki Kaisha Aspherical single lens
JPS6310119A (ja) * 1986-07-02 1988-01-16 Matsushita Electric Ind Co Ltd 大口径単レンズ
NL8603010A (nl) * 1986-11-27 1988-06-16 Philips Nv Optische aftastinrichting.
JPH03502249A (ja) * 1988-01-13 1991-05-23 イーストマン・コダック・カンパニー 薄いレンズの製造方法
NL8901245A (nl) * 1989-05-19 1990-12-17 Philips Nv Retrofokus objektieflens en optische aftastinrichting voorzien van een dergelijke lens.
US5153778A (en) * 1991-06-19 1992-10-06 At&T Bell Laboratories Powerless field-corrective lens
JP3267089B2 (ja) * 1994-02-22 2002-03-18 キヤノン株式会社 走査レンズ系及びそれを用いた光走査装置
EP0730746A1 (en) * 1994-05-02 1996-09-11 Koninklijke Philips Electronics N.V. Optical transmissive component with anti-reflection gratings
JPH08313805A (ja) * 1995-05-18 1996-11-29 Sony Corp レンズ装置及び紫外線集光装置
US5966362A (en) * 1995-11-02 1999-10-12 Konica Corporation Optical system for recording and reproducing for use in optical information recording medium
KR100230253B1 (ko) * 1996-02-14 1999-11-15 윤종용 대물렌즈 장치 및 이의 제작방법 및 이를 적용한 광픽업장치
JP2001504952A (ja) * 1997-08-19 2001-04-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 最大像量内に収差を抑制する光学システム
JP2006505090A (ja) * 2002-11-01 2006-02-09 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 光走査デバイス
CN101620317B (zh) * 2008-06-30 2011-06-22 富士迈半导体精密工业（上海）有限公司 一种具有长焦深的激光装置
JP5574226B2 (ja) * 2010-03-23 2014-08-20 株式会社ニコン 干渉対物レンズ及びこれを有する顕微鏡装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2388118A (en) * 1942-05-08 1945-10-30 Vickers Electrical Co Ltd Lens
US2530397A (en) * 1948-02-18 1950-11-21 Ancillary Henry L Beigel Anastigmatic lens
DE1278131C2 (de) * 1965-11-18 1974-03-21 Taisuke Tsugami Asphaerische Linse
US3508811A (en) * 1966-11-09 1970-04-28 Taisuke Tsugami Aspheric lens having log cos surfaces
GB1362380A (en) * 1971-11-25 1974-08-07 Mullard Ltd Manufacture of optical elements
JPS533926B2 (es) * 1973-08-31 1978-02-13
DE2445333A1 (de) * 1973-10-01 1975-04-10 Philips Nv Optoelektronisches system zur bestimmung einer abweichung zwischen der istlage und der sollage einer ebene in einem optischen abbildungssystem
FR2271585B1 (es) * 1974-05-14 1976-10-15 Philips Nv
JPS55130527A (en) * 1979-03-30 1980-10-09 Minolta Camera Co Ltd Real image system finder optical system
JPS5776512A (en) * 1980-10-31 1982-05-13 Konishiroku Photo Ind Co Ltd Large-aperture aspheric single lens
JPS57201210A (en) * 1981-06-04 1982-12-09 Sony Corp Condenser lens
NL8103323A (nl) * 1981-07-13 1983-02-01 Philips Nv Enkelvoudige lens met een sferisch en een asferisch brekend oppervlak.
JPS5868711A (ja) * 1981-10-20 1983-04-23 Matsushita Electric Ind Co Ltd 対物レンズ

Also Published As

Publication number Publication date
AU573659B2 (en) 1988-06-16
DK575884D0 (da) 1984-12-04
AU3635284A (en) 1985-06-13
ATE42151T1 (de) 1989-04-15
DD229507A5 (de) 1985-11-06
ES538239A0 (es) 1986-06-01
DK160109B (da) 1991-01-28
US4668056A (en) 1987-05-26
NL8304213A (nl) 1985-07-01
EP0146178A1 (en) 1985-06-26
EP0146178B1 (en) 1989-04-12
DK575884A (da) 1985-06-08
DE3477695D1 (en) 1989-05-18
SG86490G (en) 1991-01-04
JPS60126616A (ja) 1985-07-06
CA1255527A (en) 1989-06-13
JPH0614135B2 (ja) 1994-02-23

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Legal Events

Date Code Title Description
PC1A Transfer granted
FD1A Patent lapsed

Effective date: 20040503