10.9-mJ single-frequency diode-pumped Q-switched Er,Yb:glass laser for a coherent Doppler lidar

Takayuki Yanagisawa; Kimio Asaka; Yoshihito Hirano

doi:10.1117/12.417032

13 February 2001 10.9-mJ single-frequency diode-pumped Q-switched Er,Yb:glass laser for a coherent Doppler lidar

Takayuki Yanagisawa, Kimio Asaka, Yoshihito Hirano

Proceedings Volume 4153, Lidar Remote Sensing for Industry and Environment Monitoring; (2001) https://doi.org/10.1117/12.417032
Event: Second International Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 2000, Sendai, Japan

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.

Citation Download Citation

Takayuki Yanagisawa, Kimio Asaka, and Yoshihito Hirano "10.9-mJ single-frequency diode-pumped Q-switched Er,Yb:glass laser for a coherent Doppler lidar", Proc. SPIE 4153, Lidar Remote Sensing for Industry and Environment Monitoring, (13 February 2001); https://doi.org/10.1117/12.417032

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