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GB2146135B - Improvements in or relating to light transmitting filters - Google Patents

Improvements in or relating to light transmitting filters

Info

Publication number
GB2146135B
GB2146135B GB08321079A GB8321079A GB2146135B GB 2146135 B GB2146135 B GB 2146135B GB 08321079 A GB08321079 A GB 08321079A GB 8321079 A GB8321079 A GB 8321079A GB 2146135 B GB2146135 B GB 2146135B
Authority
GB
United Kingdom
Prior art keywords
relating
light transmitting
transmitting filters
filters
light
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
GB08321079A
Other versions
GB8321079D0 (en
GB2146135A (en
Inventor
Robin Edward Godfrey
Michael Anthony West
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.)
PHOTOPHYSICS RESEARCH Ltd
Original Assignee
PHOTOPHYSICS RESEARCH 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 PHOTOPHYSICS RESEARCH Ltd filed Critical PHOTOPHYSICS RESEARCH Ltd
Priority to GB08321079A priority Critical patent/GB2146135B/en
Publication of GB8321079D0 publication Critical patent/GB8321079D0/en
Publication of GB2146135A publication Critical patent/GB2146135A/en
Application granted granted Critical
Publication of GB2146135B publication Critical patent/GB2146135B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0064—Anti-reflection devices, e.g. optical isolaters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Polarising Elements (AREA)
GB08321079A 1983-08-04 1983-08-04 Improvements in or relating to light transmitting filters Expired GB2146135B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08321079A GB2146135B (en) 1983-08-04 1983-08-04 Improvements in or relating to light transmitting filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08321079A GB2146135B (en) 1983-08-04 1983-08-04 Improvements in or relating to light transmitting filters

Publications (3)

Publication Number Publication Date
GB8321079D0 GB8321079D0 (en) 1983-09-07
GB2146135A GB2146135A (en) 1985-04-11
GB2146135B true GB2146135B (en) 1986-07-09

Family

ID=10546824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08321079A Expired GB2146135B (en) 1983-08-04 1983-08-04 Improvements in or relating to light transmitting filters

Country Status (1)

Country Link
GB (1) GB2146135B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768864A (en) * 1986-01-21 1988-09-06 Hughes Aircraft Company Liquid-crystal-based optical power limiter
GB8907768D0 (en) * 1989-04-06 1989-05-17 Marconi Gec Ltd Optical limiter device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033603B (en) * 1978-11-01 1982-10-13 Applied Photophysics Ltd Protective viewing devices

Also Published As

Publication number Publication date
GB8321079D0 (en) 1983-09-07
GB2146135A (en) 1985-04-11

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Legal Events

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