Single-Frequency Nd:YVO4 Laser Based on Reflective Bragg Grating Combined with Fabry-Perot Etalon - 文章详情页

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This　study　reports　on　a　stable　single-frequency　active　Q-switched　Nd:YVO4　laser　end-pumped　by　a　continuous-wave　laser　diode.　The　stable　high　power　single-frequency　laser　output　is　obtained　using　reflective　Bragg　grating　(RBG)　and　etalon.　RBG　is　used　as　an　output　coupling　mirror　and　a　longitudinal　mode　selector,　combining　with　etalon　to　further　suppress　multiple　longitudinal　modes,　the　optical　cavity　length　is　increased　and　high　power　output　is　achieved.　By　optimizing　the　tilt　angle　of　etalon,　the　central　wavelengths　of　etalon　and　RBG　can　be　matched　and　the　insertion　loss　in　cavity　can　be　reduced.　Finally,　at　the　physical　cavity　length　of　148.7　mm,　a　high-power　single-frequency　laser　output　with　an　average　power　of　750　mW,　a　pulse　energy　of　75　μJ　at　a　repetition　rate　of　10　kHz,　and　a　pulse　duration　of　8.3　ns　is　obtained.　©　2019,　Chinese　Lasers　Press.　All　right　reserved.

关键词：

Bragg gratings Continuous wave lasers Etalons Fabry-Perot interferometers Lasers Pulse repetition rate Pumping (laser)

作者机构：

[ 1 ] [Hu, Xing]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 2 ] [Cheng, Dejiang]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 3 ] [Wang, Sibo]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 4 ] [Jiang, Menghua]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 5 ] [Hui, Yongling]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 6 ] [Lei, Hong]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 7 ] [Li, Qiang]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China

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