Filter device employing a holographic element
US5082337A · kind A · utility
20Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1988 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Dec 16, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/203
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A filter device 10 and method of making the same is disclosed. The device comprises holographic means 12 for diffracting optical radiation of a first predetermined range of wavelengths, and optical radiation filter means 14 for filtering optical radiation of a second predetermined range of wavelengths. The optical radiation filter means is coupled with the holographic means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.