GB8404742D0 - Afocal infrared telescopes - Google Patents

Afocal infrared telescopes

Info

Publication number
GB8404742D0
GB8404742D0 GB848404742A GB8404742A GB8404742D0 GB 8404742 D0 GB8404742 D0 GB 8404742D0 GB 848404742 A GB848404742 A GB 848404742A GB 8404742 A GB8404742 A GB 8404742A GB 8404742 D0 GB8404742 D0 GB 8404742D0
Authority
GB
United Kingdom
Prior art keywords
infrared telescopes
afocal
afocal infrared
telescopes
infrared
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
GB848404742A
Other versions
GB2136149A (en
GB2136149B (en
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.)
Thales Optronics Ltd
Original Assignee
Thales Optronics 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 Thales Optronics Ltd filed Critical Thales Optronics Ltd
Priority to GB08404742A priority Critical patent/GB2136149B/en
Publication of GB8404742D0 publication Critical patent/GB8404742D0/en
Publication of GB2136149A publication Critical patent/GB2136149A/en
Application granted granted Critical
Publication of GB2136149B publication Critical patent/GB2136149B/en
Expired 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
    • G02B17/0852—Catadioptric systems having a field corrector only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems
    • 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
    • G02B17/0804—Catadioptric systems using two curved mirrors
    • G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
    • 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
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/06—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors having a focussing action, e.g. parabolic mirror

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
GB08404742A 1983-03-03 1984-02-23 High magnification afocal infrared telescopes Expired GB2136149B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08404742A GB2136149B (en) 1983-03-03 1984-02-23 High magnification afocal infrared telescopes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8305962 1983-03-03
GB08404742A GB2136149B (en) 1983-03-03 1984-02-23 High magnification afocal infrared telescopes

Publications (3)

Publication Number Publication Date
GB8404742D0 true GB8404742D0 (en) 1984-03-28
GB2136149A GB2136149A (en) 1984-09-12
GB2136149B GB2136149B (en) 1986-02-12

Family

ID=26285416

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08404742A Expired GB2136149B (en) 1983-03-03 1984-02-23 High magnification afocal infrared telescopes

Country Status (1)

Country Link
GB (1) GB2136149B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574567A1 (en) * 1984-12-07 1986-06-13 Thomson Csf Method for assembling elements made from infrared-transparent materials and infrared optical devices assembled thereby
US5114238A (en) * 1990-06-28 1992-05-19 Lockheed Missiles & Space Company, Inc. Infrared catadioptric zoom relay telescope
US5734496A (en) * 1991-06-03 1998-03-31 Her Majesty The Queen In Right Of New Zealand Lens system
US5995280A (en) * 1992-06-03 1999-11-30 Her Majesty The Queen In Right Of New Zealand Lens system
DE69426253T2 (en) * 1993-10-04 2001-06-21 Raytheon Co., Lexington Optical system with compensation of the image plane array
CA2192328A1 (en) * 1994-06-07 1995-12-14 Allan David Beach High speed optical system
GB2326734B (en) * 1997-06-02 2002-02-20 Pilkington Perkin Elmer Ltd Optical imaging system
GB9711366D0 (en) * 1997-06-02 1997-07-30 Pilkington Perkin Elmer Ltd Optical imaging system
US9182579B2 (en) 2005-11-21 2015-11-10 Syt Technologies Device for taking long-distance images
FR2893720B1 (en) 2005-11-21 2008-04-18 Mehmed Yilmaz LONG-RANGE VIEWING DEVICE
GB0705910D0 (en) 2007-03-27 2007-05-09 Dsam London Llp Optical arrangement
JP6652198B2 (en) * 2016-10-03 2020-02-19 株式会社ニコン Catadioptric systems and optical devices
CN109298517B (en) * 2018-11-05 2020-10-30 中国航空工业集团公司洛阳电光设备研究所 Multispectral coaxial catadioptric afocal optical system

Also Published As

Publication number Publication date
GB2136149A (en) 1984-09-12
GB2136149B (en) 1986-02-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee