標題: Generation of Higher Order Vortex Beams From a YVO4/Nd:YVO4 Self-Raman Laser via Off-Axis Pumping With Mode Converter
作者: Lee, Cheng-Yeh
Chang, Chuan-Ching
Cho, Chun-Yu
Tuan, Pi-Hui
Chen, Yung-Fu
交大名義發表
電子物理學系
電子工程學系及電子研究所
National Chiao Tung University
Department of Electrophysics
Department of Electronics Engineering and Institute of Electronics
關鍵字: Optical vortices;Raman scattering;diode pumping;Beam transformation
公開日期: 1-一月-2015
摘要: The generation of high-order Hermite-Gaussian (HG) beams at the Stokes wavelength in a YVO4/Nd:YVO4 self-Raman laser with off-axis pumping is demonstrated. The high-order vortex beams at the Stokes field are successfully created by transforming these HG modes via an extra-cavity mode converter. The stimulated Raman scattering (SRS) threshold pump power for the diode-end-pumped laser is theoretically analyzed to verify the feasibility of generating high-order HG modes by off-axis pumping. At a pump power of 18.6 W, the SRS output powers can be higher than 1.0 W for the HG modes from TEM0,0 to TEM3,0. Under the same pump power, the maximum order can be up to TEM28,0.
URI: http://dx.doi.org/10.1109/JSTQE.2014.2324754
http://hdl.handle.net/11536/25141
ISSN: 1077-260X
DOI: 10.1109/JSTQE.2014.2324754
期刊: IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
Volume: 21
Issue: 1
結束頁: 
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