IL104822A - A-focal telescope based on refraction with 3 fields of view - Google Patents
A-focal telescope based on refraction with 3 fields of viewInfo
- 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
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)
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)
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 |
US5543966A (en) * | 1993-12-29 | 1996-08-06 | Eastman Kodak Company | Hybrid refractive/diffractive achromatic camera lens |
US5581405A (en) * | 1993-12-29 | 1996-12-03 | Eastman Kodak Company | Hybrid refractive/diffractive achromatic camera lens and camera using such |
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)
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 |
-
1992
- 1992-03-09 US US07/848,632 patent/US5229880A/en not_active Expired - Lifetime
-
1993
- 1993-02-22 IL IL10482293A patent/IL104822A/en not_active IP Right Cessation
- 1993-02-24 ES ES93102888T patent/ES2099306T3/es not_active Expired - Lifetime
- 1993-02-24 EP EP93102888A patent/EP0560124B1/en not_active Expired - Lifetime
- 1993-02-24 DE DE69309338T patent/DE69309338T2/de not_active Expired - Lifetime
- 1993-03-09 JP JP5048341A patent/JPH0627388A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69309338D1 (de) | 1997-05-07 |
EP0560124B1 (en) | 1997-04-02 |
EP0560124A1 (en) | 1993-09-15 |
DE69309338T2 (de) | 1997-10-23 |
JPH0627388A (ja) | 1994-02-04 |
ES2099306T3 (es) | 1997-05-16 |
US5229880A (en) | 1993-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |