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- Title
Single-frequency polarized eye-safe all-fiber laser with peak power over kilowatt.
- Authors
Zhang, Xin; Diao, Weifeng; Liu, Yuan; Liu, Jiqiao; Hou, Xia; Chen, Weibiao
- Abstract
An all-fiber, single-frequency, linearly polarized, high peak-power, pulsed laser at 1,540 nm for Doppler wind lidar is presented. This laser is composed of a single-frequency, narrow-linewidth external cavity diode laser, and multistage fiber amplifiers. A peak power of 1.08 kW and a pulse width of 500 ns at 10 kHz repetition rate are achieved, which is the highest peak power with a linewidth of 800 kHz in erbium-doped silica fiber to our knowledge. The beam quality of M < 1.3 and a polarization extinction ratio over 16 dB are obtained. This laser will be employed in a compact long-range coherent Doppler wind lidar.
- Subjects
OPTICAL polarization; FIBER lasers; DOPPLER effect; LIDAR; SEMICONDUCTOR lasers; OPTICAL fiber amplifiers; ERBIUM; DOPED semiconductors; SILICA fibers
- Publication
Applied Physics B: Lasers & Optics, 2014, Vol 115, Issue 1, p123
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-013-5582-3