GB1449332A - Optical elements - Google Patents

Optical elements

Info

Publication number
GB1449332A
GB1449332A GB341774A GB341774A GB1449332A GB 1449332 A GB1449332 A GB 1449332A GB 341774 A GB341774 A GB 341774A GB 341774 A GB341774 A GB 341774A GB 1449332 A GB1449332 A GB 1449332A
Authority
GB
United Kingdom
Prior art keywords
optical elements
jan
prism
ferranti
opex
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
GB341774A
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB341774A priority Critical patent/GB1449332A/en
Publication of GB1449332A publication Critical patent/GB1449332A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms

Abstract

1449332 Optical apparatus FERRANTI Ltd 15 Jan 1975 [24 Jan 1974] 03417/74 Heading G2J A retro-reflecting optical system comprises a right-angled prism 10 and, for accurate alignment, a rotatably mounted prism 12 of small opex angle (e.g. less than one degree) arranged as shown.
GB341774A 1974-01-24 1974-01-24 Optical elements Expired GB1449332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB341774A GB1449332A (en) 1974-01-24 1974-01-24 Optical elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB341774A GB1449332A (en) 1974-01-24 1974-01-24 Optical elements

Publications (1)

Publication Number Publication Date
GB1449332A true GB1449332A (en) 1976-09-15

Family

ID=9757954

Family Applications (1)

Application Number Title Priority Date Filing Date
GB341774A Expired GB1449332A (en) 1974-01-24 1974-01-24 Optical elements

Country Status (1)

Country Link
GB (1) GB1449332A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561003A1 (en) * 1984-03-06 1985-09-13 Thomson Csf Image-rotating optical device
CN106772968A (en) * 2016-12-29 2017-05-31 镭蒙（苏州）微光学科技有限公司 A kind of return smooth secondary utilization device of deviation formula laser

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561003A1 (en) * 1984-03-06 1985-09-13 Thomson Csf Image-rotating optical device
CN106772968A (en) * 2016-12-29 2017-05-31 镭蒙（苏州）微光学科技有限公司 A kind of return smooth secondary utilization device of deviation formula laser

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19950114