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Proceedings Paper

10.9-mJ single-frequency diode-pumped Q-switched Er,Yb:glass laser for a coherent Doppler lidar
Author(s): Takayuki Yanagisawa; Kimio Asaka; Yoshihito Hirano
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Paper Abstract

A coherent Doppler lidar is a useful sensor for wind velocity detection in clear air condition. A stable single frequency and relatively long Q-switched pulse width (~200 nsec order) in eye-safe wavelength range (>1.4 ?m) is required for a composed pulsed laser. For these requirements, we have developed an injection-seeded diode-pumped Q-switched Er,Yb:glass laser which oscillates at 1.54 ?m. The maximum laser output energy of 10.9 mJ and the pulse width of 228 nsec were obtained. A stability of the pulsed laser output frequency was less than +/-1.9 MHz standard deviation from the seeded light frequency.

Paper Details

Date Published: 13 February 2001
PDF: 7 pages
Proc. SPIE 4153, Lidar Remote Sensing for Industry and Environment Monitoring, (13 February 2001); doi: 10.1117/12.417032
Show Author Affiliations
Takayuki Yanagisawa, Mitsubishi Electric Corp. (Japan)
Kimio Asaka, Mitsubishi Electric Corp. (Japan)
Yoshihito Hirano, Mitsubishi Electric Corp. (Japan)


Published in SPIE Proceedings Vol. 4153:
Lidar Remote Sensing for Industry and Environment Monitoring
Upendra N. Singh; Upendra N. Singh; Kazuhiro Asai; Toshikasu Itabe; Toshihiro Ogawa; Nobuo Sugimoto, Editor(s)

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