Spectral narrowing module, refined spectral line device and method therefor
US10566759B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 12, 2017 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Jun 12, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S2302/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Many applications require the use of lasers with short optical ray lengths. However, at present, there is no module that makes it possible to refine a ray from a light source in a satisfactory manner, in particular one from a semiconductor laser. The invention relates to a spectral refinement method (500), a device with refined spectral line (200) comprising at least one light source (210) and a spectral refinement module (100). The latter includes at least one first coupler (111), a Brillouin resonator (120) and a modulator (130).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.