光学
材料科学
光学参量振荡器
激光器
脉搏(音乐)
能量转换效率
信号(编程语言)
Q开关
脉冲宽度调制
功率(物理)
光电子学
物理
计算机科学
量子力学
探测器
程序设计语言
作者
Che‐Wei Chang,K. T. Yen,A. L. Li,Y. R. Li,K. W. Su
出处
期刊:Optics Letters
[The Optical Society]
日期:2023-07-18
卷期号:48 (15): 3877-3877
摘要
An LED-side-pumped Nd:YAG/Cr 4+ :YAG passively Q -switched (PQS) laser containing an extracavity optical parametric oscillator (EOPO) is demonstrated. As far as we know, it is the first LED-pumped eye-safe laser. The Nd:YAG pump module is optimized to increase the PQS pulse energy to 24 mJ at 1064 nm. By using a single-pass EOPO design, the output energy of the signal pulse at 1573 nm is 7.44 mJ with a pulse width of 16 ns, the peak power is 434 kW, and the pump-to-signal conversion efficiency is 31%. For double-pass EOPO operation, the pump-to-signal conversion efficiency increases to 45.8%, the output energy of signal pulse is up to 10.98 mJ with a pulse width of 23.5 ns, and the peak power is 459 kW.
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