Redundant optical radiant energy source and redundant optical device, especially for metrology applications
US10355445B2 · kind B2 · utility
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3References
22Claims
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Key dates
| Filing date | Dec 5, 2017 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Dec 5, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/0683
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A redundant optical radiant energy source, especially for metrology applications, including a redundant optical device for creating optical radiation including at least two semiconductor lasers, which are provided on a thermally conducting laser support, at least one thermal sensor configured to detect the temperature of the laser support or at least one of the semiconductor lasers, respectively; and a heating/cooling device thermally connected to or integrally provided with the laser support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.