IL104822A - A-focal telescope based on refraction with 3 fields of view - Google Patents

A-focal telescope based on refraction with 3 fields of view

Info

Publication number
IL104822A
IL104822A IL10482293A IL10482293A IL104822A IL 104822 A IL104822 A IL 104822A IL 10482293 A IL10482293 A IL 10482293A IL 10482293 A IL10482293 A IL 10482293A IL 104822 A IL104822 A IL 104822A
Authority
IL
Israel
Prior art keywords
lens group
lenses
pair
view
telescope
Prior art date
Application number
IL10482293A
Other languages
English (en)
Hebrew (he)
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL104822A publication Critical patent/IL104822A/en

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
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/0037—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration with diffracting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G02B27/4211—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant correcting chromatic aberrations
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
    • G02B27/4277—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path being separated by an air space
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G02B5/189—Structurally combined with optical elements not having diffractive power
    • G02B5/1895—Structurally combined with optical elements not having diffractive power such optical elements having dioptric power

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Lenses (AREA)
  • Telescopes (AREA)
IL10482293A 1992-03-09 1993-02-22 A-focal telescope based on refraction with 3 fields of view IL104822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/848,632 US5229880A (en) 1992-03-09 1992-03-09 Three field of view refractive afocal telescope

Publications (1)

Publication Number Publication Date
IL104822A true IL104822A (en) 1995-12-31

Family

ID=25303850

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10482293A IL104822A (en) 1992-03-09 1993-02-22 A-focal telescope based on refraction with 3 fields of view

Country Status (6)

Country Link
US (1) US5229880A (es)
EP (1) EP0560124B1 (es)
JP (1) JPH0627388A (es)
DE (1) DE69309338T2 (es)
ES (1) ES2099306T3 (es)
IL (1) IL104822A (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363235A (en) * 1993-02-10 1994-11-08 Hughes Aircraft Company Dual field of view multi wavelength sensor
US5349471A (en) * 1993-02-16 1994-09-20 The University Of Rochester Hybrid refractive/diffractive achromatic lens for optical data storage systems
US5581405A (en) * 1993-12-29 1996-12-03 Eastman Kodak Company Hybrid refractive/diffractive achromatic camera lens and camera using such
US5543966A (en) * 1993-12-29 1996-08-06 Eastman Kodak Company Hybrid refractive/diffractive achromatic camera lens
US5589983A (en) * 1993-12-29 1996-12-31 Eastman Kodak Company Method of manufacturing a diffractive surface profile
US5623473A (en) * 1994-06-30 1997-04-22 Nikon Corporation Method and apparatus for manufacturing a diffraction grating zone plate
US5446588A (en) * 1994-07-29 1995-08-29 The University Of Rochester Wide-angle eyepiece optical system employing refractive and diffractive optical elements
US5691847A (en) * 1994-08-08 1997-11-25 Hughes Aircraft Company Athermalized and achromatized optical systems employing diffractive optical element
US5548439A (en) * 1994-12-27 1996-08-20 Hughes Aircraft Company Three field of view refractive infrared telescope with fixed medium filed of view
US6018414A (en) * 1996-03-04 2000-01-25 Raytheon Company Dual band infrared lens assembly using diffractive optics
US6249374B1 (en) * 1996-03-04 2001-06-19 Raytheon Company Wide field of view infrared zoom lens assembly having a constant F/number
US5796514A (en) * 1996-03-04 1998-08-18 Raytheon Ti Systems, Inc. Infrared zoom lens assembly having a variable F/number
DE19647273A1 (de) 1996-11-15 1998-05-20 Zeiss Carl Fa Modulares Infrarot-Kepler-Fernrohr
US5953155A (en) * 1997-02-19 1999-09-14 Raytheon Company Optical system
US5907433A (en) * 1997-06-16 1999-05-25 Versatron Corporation Compact variable field of view optical system
US5880879A (en) * 1997-08-26 1999-03-09 Nikon Corporation Objective lens system utilizing diffractive optical element
US6542301B1 (en) * 1997-10-30 2003-04-01 Canon Kabushiki Kaisha Zoom lens and image scanner using it
JP3359277B2 (ja) * 1997-12-24 2002-12-24 キヤノン株式会社 回折屈折型リアアタッチメントレンズ
JP2001108811A (ja) * 1999-10-12 2001-04-20 Canon Inc 回折光学素子及び該回折光学素子を有する光学系
FR2906898B1 (fr) * 2006-10-05 2009-01-23 Commissariat Energie Atomique Dispositif de compensation ajustable de retard pupillaire.
DE102007044228A1 (de) * 2007-08-17 2009-04-02 Carl Zeiss Surgical Gmbh Optische Einrichtung
CN105334603B (zh) * 2015-12-05 2018-01-09 中国航空工业集团公司洛阳电光设备研究所 一种轴向变倍三视场长波红外成像光学系统
CN105547493B (zh) * 2015-12-08 2019-01-29 中国航空工业集团公司洛阳电光设备研究所 红外成像技术中三视场共焦平面的装调方法及成像装置
US10488637B2 (en) 2017-10-18 2019-11-26 United States Of America, As Represented By The Secretary Of The Army Multiple field of view reflective afocal assembly with common axis for FOV switching and image roll
CN109254392B (zh) * 2018-08-22 2019-06-14 哈尔滨新光光电科技有限公司 一种小型化滚—仰式长波制冷光学系统
US11268860B2 (en) 2020-07-24 2022-03-08 Raytheon Company Radiometric calibration of detector

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1264095B (de) * 1964-01-09 1968-03-21 Schneider Co Optische Werke Lichtstarkes Satzobjektiv mit mindestens einem auswechselbaren Systemteil
US3741621A (en) * 1971-04-01 1973-06-26 Xerox Corp Add lens projection system with balanced performance
US4240697A (en) * 1975-06-05 1980-12-23 Canon Kabushiki Kaisha Lens system having selectively shiftable focal length
JPS5611427A (en) * 1979-07-10 1981-02-04 Canon Inc Variable power afocal lens system
US4466707A (en) * 1980-03-21 1984-08-21 Canon Kabushiki Kaisha Variable magnification lens system
US4469396A (en) * 1980-10-08 1984-09-04 Barr & Stroud Limited Afocal dual magnification refractor telescopes
SE457754B (sv) * 1981-07-01 1989-01-23 Barr & Stroud Ltd Icke fokuserande teleskop
GB2152227B (en) * 1982-01-14 1986-01-29 Barr & Stroud Ltd Infrared optical system
JPS62141511A (ja) * 1985-12-16 1987-06-25 Toshiba Corp グレ−テイングレンズ
GB8709526D0 (en) * 1987-04-22 1987-05-28 Thorn Emi Electronics Ltd Optical device
US4988173A (en) * 1988-03-17 1991-01-29 Margolis H Jay Modular afocal variator optical focusing system
US4989962A (en) * 1988-10-31 1991-02-05 Hughes Aircraft Company Dual band/dual FOV infrared telescope
US5044706A (en) * 1990-02-06 1991-09-03 Hughes Aircraft Company Optical element employing aspherical and binary grating optical surfaces
JPH0416910A (ja) * 1990-05-11 1992-01-21 Omron Corp 光学レンズ

Also Published As

Publication number Publication date
JPH0627388A (ja) 1994-02-04
DE69309338T2 (de) 1997-10-23
US5229880A (en) 1993-07-20
EP0560124A1 (en) 1993-09-15
DE69309338D1 (de) 1997-05-07
ES2099306T3 (es) 1997-05-16
EP0560124B1 (en) 1997-04-02

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Legal Events

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FF Patent granted
CO Opposition cancelled (oppos. filed against grant of patent)

Free format text: OPPOSITION CANCELLED ON 31.7.96

NP Permission for amending the patent specification granted (section 66, patents law 1967)
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
EXP Patent expired