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ZA864959B - Infra-red lenses and methods of fabrication - Google Patents

Infra-red lenses and methods of fabrication

Info

Publication number
ZA864959B
ZA864959B ZA864959A ZA864959A ZA864959B ZA 864959 B ZA864959 B ZA 864959B ZA 864959 A ZA864959 A ZA 864959A ZA 864959 A ZA864959 A ZA 864959A ZA 864959 B ZA864959 B ZA 864959B
Authority
ZA
South Africa
Prior art keywords
infra
fabrication
methods
red lenses
lenses
Prior art date
Application number
ZA864959A
Inventor
David Jon Pedder
Original Assignee
Plessey Overseas
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 Plessey Overseas filed Critical Plessey Overseas
Publication of ZA864959B publication Critical patent/ZA864959B/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
    • 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
ZA864959A 1985-07-04 1986-07-03 Infra-red lenses and methods of fabrication ZA864959B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08517012A GB2181567B (en) 1985-07-04 1985-07-04 Infra-red fresnel lenses and methods of fabrication

Publications (1)

Publication Number Publication Date
ZA864959B true ZA864959B (en) 1987-02-25

Family

ID=10581830

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA864959A ZA864959B (en) 1985-07-04 1986-07-03 Infra-red lenses and methods of fabrication

Country Status (5)

Country Link
EP (1) EP0227784A1 (en)
JP (1) JPS63500826A (en)
GB (1) GB2181567B (en)
WO (1) WO1987000297A1 (en)
ZA (1) ZA864959B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5319131A (en) * 1985-05-25 1994-06-07 Hoechst Aktiengesellschaft α-fluoroacrylic acid esters and polymers thereof
US5198925A (en) * 1985-05-25 1993-03-30 Hoechst Aktiengesellschaft α-fluoroacrylic acid esters and polymers thereof
DE3833096A1 (en) * 1988-09-29 1990-04-05 Siemens Ag OPTICAL COUPLING
KR0141447B1 (en) * 1993-09-22 1998-07-01 모리시타 요이찌 Pyroelectric infrared sensor
EP0911653B1 (en) * 1997-09-05 2006-07-19 Osram Opto Semiconductors GmbH Immersion system
DE19936328B4 (en) * 1999-08-02 2006-01-26 Siemens Ag Micro-optical lens and method for its production
IT1320074B1 (en) * 2000-05-04 2003-11-12 Fiat Ricerche OBJECTIVE FOR INFRARED VISION SYSTEMS.
DE10051464B4 (en) 2000-10-17 2011-08-11 OSRAM Opto Semiconductors GmbH, 93055 fresnel lens
JP4640327B2 (en) * 2005-08-26 2011-03-02 パナソニック電工株式会社 Manufacturing method of semiconductor lens
JP2010170081A (en) * 2008-12-25 2010-08-05 Tokuyama Corp Optical element for far infrared ray
US9690051B2 (en) 2015-06-30 2017-06-27 International Business Machines Corporation Backside binary grated lens coupled to front side waveguide

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB886051A (en) * 1957-08-01 1962-01-03 Licentia Gmbh Infra-red filter
US3994277A (en) * 1973-12-06 1976-11-30 Gerald Altman Radiation cooling devices and processes
GB1478115A (en) * 1974-02-15 1977-06-29 Pilkington Perkin Elmer Ltd Infra-red lenses
GB1462892A (en) * 1974-10-02 1977-01-26 Rank Organisation Ltd Lenses
US4025157A (en) * 1975-06-26 1977-05-24 The United States Of America As Represented By The Secretary Of The Navy Gradient index miniature coupling lens
FR2491632A1 (en) * 1980-10-08 1982-04-09 Commissariat Energie Atomique INTEGRATED FRESNEL LENS AND METHOD FOR MANUFACTURING THE SAME
JPS57200010A (en) * 1981-06-03 1982-12-08 Matsushita Electric Ind Co Ltd Lens for infrared rays
US4415414A (en) * 1982-09-10 1983-11-15 Bell Telephone Laboratories, Incorporated Etching of optical surfaces
US4621888A (en) * 1983-03-10 1986-11-11 Texas Instruments Incorporated Coaxial wideband refractive optical system
US4530736A (en) * 1983-11-03 1985-07-23 International Business Machines Corporation Method for manufacturing Fresnel phase reversal plate lenses

Also Published As

Publication number Publication date
GB2181567B (en) 1989-01-11
JPS63500826A (en) 1988-03-24
EP0227784A1 (en) 1987-07-08
WO1987000297A1 (en) 1987-01-15
GB2181567A (en) 1987-04-23

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