Bandwidth control technique for a laser
US7079556B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2003 |
| Grant date | Jul 18, 2006 |
| Priority date | — |
| Expiry date | Jun 9, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/2207
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A technique for bandwidth control of an electric discharge laser. Line narrowing equipment is provided having at least one piezoelectric drive and a fast bandwidth detection means and a bandwidth control having a time response of less than about 1.0 millisecond. In a preferred embodiment wavelength tuning mirror is dithered at dither rates of more than 500 dithers per second within a very narrow range of pivot angles to cause a dither in nominal wavelength values to produce a desired effective bandwidth of series of laser pulses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.