GB2223324B - Optical filters - Google Patents
Optical filtersInfo
- Publication number
- GB2223324B GB2223324B GB8823078A GB8823078A GB2223324B GB 2223324 B GB2223324 B GB 2223324B GB 8823078 A GB8823078 A GB 8823078A GB 8823078 A GB8823078 A GB 8823078A GB 2223324 B GB2223324 B GB 2223324B
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical filters
- filters
- optical
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/288—Filters employing polarising elements, e.g. Lyot or Solc filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/284—Interference filters of etalon type comprising a resonant cavity other than a thin solid film, e.g. gas, air, solid plates
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optical Filters (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8823078A GB2223324B (en) | 1988-09-30 | 1988-09-30 | Optical filters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8823078A GB2223324B (en) | 1988-09-30 | 1988-09-30 | Optical filters |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8823078D0 GB8823078D0 (en) | 1988-11-09 |
GB2223324A GB2223324A (en) | 1990-04-04 |
GB2223324B true GB2223324B (en) | 1992-06-17 |
Family
ID=10644577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8823078A Expired - Lifetime GB2223324B (en) | 1988-09-30 | 1988-09-30 | Optical filters |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2223324B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3903019A1 (en) * | 1989-02-02 | 1990-08-09 | Hell Rudolf Dr Ing Gmbh | OPTICAL COLOR DIVIDER ARRANGEMENT |
GB2254710B (en) * | 1991-04-12 | 1994-01-26 | Northern Telecom Europ Ltd | Fabry-perot optical filters |
-
1988
- 1988-09-30 GB GB8823078A patent/GB2223324B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB8823078D0 (en) | 1988-11-09 |
GB2223324A (en) | 1990-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20040930 |