Coherent combination of micropulse tapered amplifiers at 828 nm for direct-detection LIDAR applications

被引：6
|
作者：
Liu, Qin [1 ]
Janicot, Sylvie [1 ]
Georges, Patrick [1 ]
Lucas-leclin, Gaelle [1 ]
机构：
[1] Univ Paris Saclay, CNRS, Inst Opt Grad Sch, Lab Charles Fabry, F-91127 Palaiseau, France
来源：
OPTICS LETTERS | 2023年 / 48卷 / 02期
关键词：
DIFFERENTIAL ABSORPTION LIDAR; HIGH-POWER;
D O I：
10.1364/OL.481895
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on the design of a compact master oscillator power amplifier (MOPA) diode laser architecture at 828 nm suitable for direct-detection LIDARs, specifically applied to water vapor differential absorption LIDARs. Coherent beam combination of two pulsed high-brightness tapered amplifiers (1 mu s, 10 kHz), seeded by a DBR laser diode, is demonstrated. The phase dynamics during the pulses have been thoroughly investigated. The main limitation to the CBC efficiency is quantified. The maximum combined pulse energy reaches 10.3 mu J with combining efficiency above 82% +/- 5%. (c) 2023 Optica Publishing Group
引用
收藏
页码：489 / 492
页数：4
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