Optical comb filter having first, second and third GT resonant cavities
US10281650B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2015 |
| Grant date | May 7, 2019 |
| Priority date | — |
| Expiry date | Jun 28, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/56
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical comb filter, comprising an input/output collimator (50), an output collimator (60), a spectroscope (10), and first, second and third GT resonant cavities (20, 30, 40), wherein each GT resonant cavity comprises a transparent solid block coated with a membrane layer and a spacing part, a through hole is provided on the transparent solid block, and the transparent solid block and the spacing part form a hollow cavity; and rectangular orientation of an insertion loss curve is realized, and the bandwidth utilization rate is high.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.