GB1449332A - Optical elements - Google Patents
Optical elementsInfo
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
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.
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)
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 |
-
1974
- 1974-01-24 GB GB341774A patent/GB1449332A/en not_active Expired
Cited By (2)
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 |