Fiber lasers for producing amplified laser pulses with reduced non-linearity
US8830567B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 2, 2012 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Dec 5, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/2316
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A chirped-pulsed amplification laser device includes a fiber laser driver, a laser head, and a delivery fiber that guides amplified stretched laser pulses from the laser driver to the laser head. The fiber laser driver includes a seed pulsed laser, a pulse stretcher, and an optical power amplifier. A chirped fiber Bragg grating compressor in the laser head includes a fiber terminal section configured to minimize broadening of the amplified stretched laser pulses, a chirped fiber Bragg grating section connected to the fiber terminal section and configured to compress and reflect amplified stretched laser pulses to produce reflected laser pulses with compressed pulse durations, and a collimator housing configured to fixedly hold a collimator lens and a ferrule. The ferrule holds the fiber terminal section tilted relative to an optical axis of the collimator lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.