AU2005267812B2 - Imaging optical system including a telescope and an uncooled warm-stop structure - Google Patents

Imaging optical system including a telescope and an uncooled warm-stop structure Download PDF

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Publication number
AU2005267812B2
AU2005267812B2 AU2005267812A AU2005267812A AU2005267812B2 AU 2005267812 B2 AU2005267812 B2 AU 2005267812B2 AU 2005267812 A AU2005267812 A AU 2005267812A AU 2005267812 A AU2005267812 A AU 2005267812A AU 2005267812 B2 AU2005267812 B2 AU 2005267812B2
Authority
AU
Australia
Prior art keywords
mirror
light beam
detector
quaternary
tertiary
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.)
Ceased
Application number
AU2005267812A
Other languages
English (en)
Other versions
AU2005267812A1 (en
Inventor
Rudolph E. Radau Jr.
Philip C. Theriault
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.)
Raytheon Co
Original Assignee
Raytheon 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 Raytheon Co filed Critical Raytheon Co
Publication of AU2005267812A1 publication Critical patent/AU2005267812A1/en
Application granted granted Critical
Publication of AU2005267812B2 publication Critical patent/AU2005267812B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0836—Catadioptric systems using more than three curved mirrors
    • G02B17/084—Catadioptric systems using more than three curved mirrors on-axis systems with at least one of the mirrors having a central aperture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0852—Catadioptric systems having a field corrector only
    • 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
    • G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
AU2005267812A 2004-08-02 2005-07-29 Imaging optical system including a telescope and an uncooled warm-stop structure Ceased AU2005267812B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/909,620 US6969840B1 (en) 2004-08-02 2004-08-02 Imaging optical system including a telescope and an uncooled warm-stop structure
US10/909,620 2004-08-02
PCT/US2005/027116 WO2006015273A2 (en) 2004-08-02 2005-07-29 Imaging optical system including a telescope and an uncooled warm-stop structure

Publications (2)

Publication Number Publication Date
AU2005267812A1 AU2005267812A1 (en) 2006-02-09
AU2005267812B2 true AU2005267812B2 (en) 2009-08-13

Family

ID=35405154

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2005267812A Ceased AU2005267812B2 (en) 2004-08-02 2005-07-29 Imaging optical system including a telescope and an uncooled warm-stop structure

Country Status (6)

Country Link
US (1) US6969840B1 (https=)
EP (1) EP1779170B1 (https=)
JP (1) JP4991539B2 (https=)
AU (1) AU2005267812B2 (https=)
DE (1) DE602005014989D1 (https=)
WO (1) WO2006015273A2 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7319556B1 (en) * 2004-09-28 2008-01-15 Sandia Corporation Wide field of view telescope
US7180067B2 (en) * 2005-02-15 2007-02-20 Raytheon Company Infrared imaging system with ellipsoid reflective warm baffle and method
US7486438B2 (en) * 2005-04-28 2009-02-03 Institut National D'optique High-resolution optical imaging systems
US7952688B2 (en) * 2008-06-10 2011-05-31 Raytheon Company Multi-waveband sensor system and methods for seeking targets
US8075144B2 (en) * 2008-11-20 2011-12-13 Bae Systems Information And Electronic Systems Integration Inc. Integrated telescope baffle and mirror support
US7926961B2 (en) * 2008-11-20 2011-04-19 Bae Systems Information And Electronic Systems Integration Inc. Low background flux telescope with integrated baffle
EP2312287A1 (en) 2009-10-07 2011-04-20 Semi-Conductor Devices - An Elbit Systems - Rafael Partnership Infra-red imager
US9194750B2 (en) 2009-10-07 2015-11-24 Semi Conductor Devices—Elbit Systems—Rafael Partnership Infra-red imager
US9228895B2 (en) * 2012-05-25 2016-01-05 Raytheon Company Imaging system with multiple focal plane array sensors
US8937764B2 (en) 2012-07-20 2015-01-20 Raytheon Company Optical system with off-axis packaged illuminator
JP6818274B2 (ja) * 2017-02-16 2021-01-20 国立大学法人京都大学 カセグレン式望遠鏡
US10190907B1 (en) * 2017-09-29 2019-01-29 Raytheon Company Convex warm shield for thermal imaging device
IL256709B (en) 2018-01-02 2019-07-31 Elbit Systems Electro Optics Elop Ltd Mechanism, system and method for reducing internal air temperature gradient in a centrally-obscured reflective telescope
US11567309B2 (en) 2019-07-25 2023-01-31 Raytheon Company On-axis four mirror anastigmat telescope
CN111238660B (zh) * 2020-01-17 2022-08-26 昆明物理研究所 一种用于非制冷红外探测器的开孔光阑

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0883010A2 (en) * 1997-06-02 1998-12-09 Pilkington P.E. Limited Dual field of view optical system

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
US3455623A (en) * 1966-03-04 1969-07-15 Te Co The Optical objective forming an intermediate image and having primary and subsidiary conjugate focal planes
US4226501A (en) 1978-10-12 1980-10-07 The Perkin-Elmer Corporation Four mirror unobscurred anastigmatic telescope with all spherical surfaces
US4695139A (en) * 1984-12-26 1987-09-22 Hughes Aircraft Company Plural-zone mirror focusing system
US4812030A (en) * 1985-01-03 1989-03-14 The Boeing Company Catoptric zoom optical device
US4804258A (en) 1986-05-05 1989-02-14 Hughes Aircraft Company Four mirror afocal wide field of view optical system
US4820923A (en) 1986-06-19 1989-04-11 Santa Barbara Research Center Uncooled reflective shield for cryogenically-cooled radiation detectors
US4990782A (en) 1989-06-23 1991-02-05 Santa Barbara Research Center Radiation shield for thermoelectrically cooled infrared detectors
US4972085A (en) 1989-09-14 1990-11-20 General Electric Company Cold shielding of infrared detectors
US5093837A (en) 1991-03-08 1992-03-03 S-Tron Baffle for attenuating off-axis light emissions
US5225931A (en) 1992-01-31 1993-07-06 The United States Of America As Represented By The Secretary Of The Air Force System of reflective telescope baffles using conic sections of revolution
US5444250A (en) 1994-08-15 1995-08-22 Hughes Aircraft Company Optical warm stop with fresnel type reflective surface
US5477395A (en) * 1994-11-14 1995-12-19 Hughes Aircraft Company Two nested all-reflective afocal telescopes providing four fields of view
US5640283A (en) 1995-10-20 1997-06-17 The Aerospace Corporation Wide field, long focal length, four mirror telescope
FR2764081B1 (fr) * 1997-06-03 1999-08-20 Reosc Systeme catoptrique grand angulaire a miroirs
US6596997B2 (en) 2001-08-03 2003-07-22 Irvine Sensors Corporation Retro-reflector warm stop for uncooled thermal imaging cameras and method of using the same
US6902282B2 (en) * 2002-03-22 2005-06-07 Raytheon Company Fast, wide-field-of-view, relayed multimirror optical system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0883010A2 (en) * 1997-06-02 1998-12-09 Pilkington P.E. Limited Dual field of view optical system

Also Published As

Publication number Publication date
AU2005267812A1 (en) 2006-02-09
DE602005014989D1 (de) 2009-07-30
EP1779170A2 (en) 2007-05-02
JP4991539B2 (ja) 2012-08-01
WO2006015273A3 (en) 2006-05-04
WO2006015273A2 (en) 2006-02-09
US6969840B1 (en) 2005-11-29
JP2008508569A (ja) 2008-03-21
EP1779170B1 (en) 2009-06-17

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired