强激光与粒子束2024，Vol.36Issue(6)：54-58,5.DOI:10.11884/HPLPB202436.240004
基于RTP晶体的271cm-1拉曼频移五阶斯托克斯激光
Utilizing RTP crystal to generate fifth-order Stokes laser emission with 271 cm-1 Raman shift
摘要
Abstract
The RbTiOPO4 crystal Raman emission at high-order Stokes with 271 cm-1 shift driven by an end-pumped passively Q-switched laser was demonstrated.The Nd:YAG and Cr4+:YAG bonding design was used to reduce the intracavity loss and make the laser system compact,so as to raise the intracavity photon density,which proved helpful for the conversion of Raman shift to high-order Stokes light.The first-Stokes laser with different Raman shifts is designed to oscillate in different cavities,and the first-Stokes laser with 687 cm-1 shift is suppressed by using the difference in cavity mode matching with the fundamental laser,and the fifth-order Stokes laser with 271 cm-1 shift is obtained.Under the pump power of 8.1 W,a 1 244 nm wavelength laser with an average output power of 230 mW was obtained,and the corresponding pulse width and pulse frequency repetition were 2.9 ns and 11.7 kHz,respectively.The 1 244 nm laser wavelength perfectly matched the OH-1 absorption peak in water,which could have significant applications in fields such as surface vegetation and planetary water detection.关键词
RTP晶体/拉曼激光/被动调Q/五阶斯托克斯光Key words
RTP crystal/Raman laser/passively Q-switched/fifth-order Stokes分类
电子信息工程引用本文复制引用
王京,金鑫鑫,王严毅,王鸿雁,李志红,段延敏,朱海永..基于RTP晶体的271cm-1拉曼频移五阶斯托克斯激光[J].强激光与粒子束,2024,36(6):54-58,5.基金项目
国家自然科学基金项目(62075167、62275200、62205251) （62075167、62275200、62205251）
温州市基础性科研项目(G20220014) （G20220014）
温州大学硕士研究生创新基金项目(3162023003067) （3162023003067）
