Diode-pumped Nd:YAG master oscillator power amplifier with high pulse energy, excellent beam quality, and frequency-stabilized master oscillator as a basis for a next-generation lidar system
Diode-pumped Nd:YAG master oscillator power amplifier with high pulse energy, excellent beam quality, and frequency-stabilized master oscillator as a basis for a next-generation lidar system
复制标题
DOI：
10.1364/ao.44.000582
复制
发表时间：
2005-02-01
期刊：
影响因子：
1.9
通讯作者：
Wulfmeyer, V
中科院分区：
文献类型：
--
作者：
Ostermeyer, M;Kappe, P;Wulfmeyer, V
提出了一种采用棒状几何结构的脉冲二极管激光泵浦 Nd:YAG 主振荡器功率放大器 (MOPA)，采用改进的 Pound-Drever-Hall 方案稳定频率。该装置可提供 33 ns 脉冲，最大脉冲能量为 1064 nm 处的 0.5 J。该系统采用两种不同的配置，重复率分别为 100 或 250 Hz。在 405 mJ 的脉冲能量和 100 Hz 的重复频率下，测得光束质量为衍射极限的 1.5 倍。在 250 Hz 和相同脉冲能量下，M-2 优于 2.1。辐射频率转换为 532 nm，效率为 50%。该 MOPA 系统将成为各种高端扫描激光雷达系统的发射器的泵浦激光器。 (C) 2005 年美国光学学会。
A pulsed, diode-laser-pumped Nd:YAG master oscillator power amplifier (MOPA) in rod geometry, frequency stabilized with a modified Pound-Drever-Hall scheme is presented. The apparatus delivers 33-ns pulses with a maximum pulse energy of 0.5 J at 1064 nm. The system was set up in two different configurations for repetition rates of 100 or 250 Hz. The beam quality was measured to be 1.5 times the diffraction limit at a pulse energy of 405 mJ and a repetition rate of 100 Hz. At 250 Hz with the same pulse energy, the M-2 was better than 2.1. The radiation is frequency converted with an efficiency of 50% to 532 nm. This MOPA system will be the pump laser of transmitters for a variety of high-end, scanning lidar systems. (C) 2005 Optical Society of America.