GB2043944B - Optical magnifying instrumernts incorporating optical attenuators - Google Patents

Optical magnifying instrumernts incorporating optical attenuators

Info

Publication number
GB2043944B
GB2043944B GB8003976A GB8003976A GB2043944B GB 2043944 B GB2043944 B GB 2043944B GB 8003976 A GB8003976 A GB 8003976A GB 8003976 A GB8003976 A GB 8003976A GB 2043944 B GB2043944 B GB 2043944B
Authority
GB
United Kingdom
Prior art keywords
optical
instrumernts
incorporating
magnifying
attenuators
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
GB8003976A
Other versions
GB2043944A (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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB8003976A priority Critical patent/GB2043944B/en
Publication of GB2043944A publication Critical patent/GB2043944A/en
Application granted granted Critical
Publication of GB2043944B publication Critical patent/GB2043944B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/055—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect the active material being a ceramic
    • G02F1/0556—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect the active material being a ceramic specially adapted for a particular application
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms
GB8003976A 1979-02-08 1980-02-06 Optical magnifying instrumernts incorporating optical attenuators Expired GB2043944B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8003976A GB2043944B (en) 1979-02-08 1980-02-06 Optical magnifying instrumernts incorporating optical attenuators

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7904510 1979-02-08
GB8003976A GB2043944B (en) 1979-02-08 1980-02-06 Optical magnifying instrumernts incorporating optical attenuators

Publications (2)

Publication Number Publication Date
GB2043944A GB2043944A (en) 1980-10-08
GB2043944B true GB2043944B (en) 1983-04-20

Family

ID=26270497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8003976A Expired GB2043944B (en) 1979-02-08 1980-02-06 Optical magnifying instrumernts incorporating optical attenuators

Country Status (1)

Country Link
GB (1) GB2043944B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6319163A (en) * 1986-07-10 1988-01-26 森　敬 Solar energy irradiation remedy apparatus
JPS6318305A (en) * 1986-07-10 1988-01-26 Takashi Mori Light projecting device
JP2001066520A (en) * 1999-08-27 2001-03-16 Kowa Co Safety device for telescope

Also Published As

Publication number Publication date
GB2043944A (en) 1980-10-08

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Legal Events

Date Code Title Description
727 Application made for amendment of specification (sect. 27/1977)
727A Application for amendment of specification now open to opposition (sect. 27/1977)
727B Case decided by the comptroller ** specification amended (sect. 27/1977)
SPA Amended specification published
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970206