Littman configured frequency stepped laser
US8218586B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2009 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Nov 13, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/1039
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A wavelength tunable system including a laser having a lasing cavity and an external cavity, the cavities having a common optical axis; a reflective grating fixed in the external cavity; a collimating lens between the lasing cavity and the reflective grating; and an adjustable reflective mirror defining one end of the external cavity and optically coupled to the fixed reflective grating, the adjustable reflective mirror pivots about the fixed reflective grating, and a method of use as defined herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.