GB2121211B - Athermal infrared objective lens systems - Google Patents

Athermal infrared objective lens systems

Info

Publication number
GB2121211B
GB2121211B GB08315030A GB8315030A GB2121211B GB 2121211 B GB2121211 B GB 2121211B GB 08315030 A GB08315030 A GB 08315030A GB 8315030 A GB8315030 A GB 8315030A GB 2121211 B GB2121211 B GB 2121211B
Authority
GB
United Kingdom
Prior art keywords
objective lens
lens systems
infrared objective
athermal
athermal 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.)
Expired
Application number
GB08315030A
Other versions
GB8315030D0 (en
GB2121211A (en
Inventor
Iain Alexander Neil
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 GB08315030A priority Critical patent/GB2121211B/en
Publication of GB8315030D0 publication Critical patent/GB8315030D0/en
Publication of GB2121211A publication Critical patent/GB2121211A/en
Application granted granted Critical
Publication of GB2121211B publication Critical patent/GB2121211B/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
GB08315030A 1982-06-02 1983-06-01 Athermal infrared objective lens systems Expired GB2121211B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08315030A GB2121211B (en) 1982-06-02 1983-06-01 Athermal infrared objective lens systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8216035 1982-06-02
GB08315030A GB2121211B (en) 1982-06-02 1983-06-01 Athermal infrared objective lens systems

Publications (3)

Publication Number Publication Date
GB8315030D0 GB8315030D0 (en) 1983-07-06
GB2121211A GB2121211A (en) 1983-12-14
GB2121211B true GB2121211B (en) 1985-12-18

Family

ID=26283011

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08315030A Expired GB2121211B (en) 1982-06-02 1983-06-01 Athermal infrared objective lens systems

Country Status (1)

Country Link
GB (1) GB2121211B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650874A (en) 1991-05-28 1997-07-22 Discovision Associates Optical beamsplitter

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8417993D0 (en) * 1984-07-14 1984-08-15 Pilkington Perkin Elmer Ltd Infra-red lenses
GB2194072B (en) * 1986-04-03 1990-03-21 Pilkington Perkin Elmer Ltd Athermalised optical beam expander
US4827130A (en) * 1987-10-22 1989-05-02 General Electric Company Selectable field infrared imager and lens set
FR2667695B1 (en) * 1990-10-09 1993-08-27 Thomson Trt Defense LENS SYSTEM WITH OPTICAL ATHERMALIZATION.
US5331622A (en) * 1991-05-28 1994-07-19 Applied Magnetics Corporation Compact optical head
WO2013098180A1 (en) 2011-12-29 2013-07-04 Umicore Compact achromatic and passive athermalized telephoto lens arrangement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB561503A (en) * 1942-08-11 1944-05-23 Combined Optical Ind Ltd Improvements in optical systems using plastic lenses
CH389176A (en) * 1961-08-21 1965-03-15 Kodak Sa Optical element and method for its manufacture
GB1280441A (en) * 1970-01-06 1972-07-05 Barr & Stroud Ltd Improvements in or relating to horizon sighting sensors
GB2071353B (en) * 1980-03-05 1984-02-08 Barr & Stroud Ltd Telescope objective system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650874A (en) 1991-05-28 1997-07-22 Discovision Associates Optical beamsplitter
US5657164A (en) 1991-05-28 1997-08-12 Discovision Associates Optical beamsplitter
US5771122A (en) 1991-05-28 1998-06-23 Discovision Associates Optical beamsplitter

Also Published As

Publication number Publication date
GB8315030D0 (en) 1983-07-06
GB2121211A (en) 1983-12-14

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Legal Events

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