High power Raman diamond laser

被引：1
|
作者：
Feve, Jean-Philippe M. [1 ]
Bohn, Matthew J. [1 ]
Brasseur, Jason K. [1 ]
Shortoff, Kevin [1 ]
机构：
[1] Directed Energy Solut, Colorado Springs, CO 80907 USA
来源：
SOLID STATE LASERS XX: TECHNOLOGY AND DEVICES | 2011年 / 7912卷
关键词：
Diamond; Raman laser; cryogenic laser; REFRACTIVE-INDEX; SCATTERING; TEMPERATURE;
D O I：
10.1117/12.877564
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We developed a cryogenically cooled Yb:YAG laser as the pump beam for a pulsed Raman laser based on CVD grown diamond crystals. The Q-switched cryogenic Yb-doped YAG 1030 nm pump laser delivered 340 W at 40 kHz with diffraction-limited beam quality, with an optical efficiency of 80%. The record average power of 24.5 W was generated from the Raman laser at 1193 nm. Modeling of the performance confirmed the corresponding Raman gain coefficient, 13.5 cm/GW. The laser was operated at room temperature and under cryogenic cooling at 77 K, with equal performance.
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页数：9
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