Diode-Pumped Laser for Rangefinders Operating over Wide Temperature Range

被引：0
|
作者：
Orekhova, V. E. [1 ]
Kisel, V. E. [2 ]
Orekhov, K. A. [1 ]
机构：
[1] JSC Peleng, Makayonka Str 25, Minsk 220114, BELARUS
[2] Belarusian Natl Tech Univ, Ctr Opt Mat & Technol, Nezavisimosty Ave 65, Minsk 220013, BELARUS
来源：
DEVICES AND METHODS OF MEASUREMENTS | 2023年 / 14卷 / 01期
关键词：
laser rangefinder; Nd; YAG; active Q-Switching; diode pumping; ND-YAG LASER;
D O I：
10.21122/2220-9506-2023-14-1-27-37
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A prototype of a pulsed diode-pumped laser based on Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) crystal emitting at 1064 nm is presented for use in airborne rangefinders , atmospheric LIDARs without use of expensive production technologies and components.Actively Q-Switched laser pulse energy was estimated. Spatial characteristics of laser beam and de-pendence of pulse energy on the pump pulse energy were obtained at room temperature. Results of diode -pumped laser pulse energy measurements are provided within 2 min for pulse repetition rates of 1, 4, 12.5, 22 Hz at ambient temperature range from-40 to +60 degrees C. Laser diode arrays temperature stabilization was achieved by the use of Peltier module with cooling capacity of 30 W.Pulse energy values not less than 80 mJ were achieved in the studied ranges of ambient temperature and pulse repetition rate. Laser beam divergence at room temperature does not exceed 1.9 mrad.
引用
收藏
页码：27 / 37
页数：11
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