Device for demultiplexing light paths contained in an optical spectrum
US6226426A · kind A · utility
8Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1999 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Nov 18, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/12107
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to a device for demultiplexing spectrum lines contained in an optical spectrum. This device comprises a energy separator (2a, 2b, 2c) and selective wavelength light reflectors (12), each selective wavelength light reflector having a wavelength bandpass that contains the spectral region associated with one of the lines and that, therefore, reflects only this particular line. Applications to surveying constructions, such as buildings and aircraft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.