Generation of Higher Order Vortex Beams from a YVO4/Nd:YVO4 Self-Raman Laser via Off-Axis Pumping with Mode Converter

Cheng Yeh Lee, Chuan Ching Chang, Chun Yu Cho, Pi Hui Tuan, Yung-Fu Chen

研究成果: Article同行評審

21 引文 斯高帕斯(Scopus)

摘要

The generation of high-order Hermite-Gaussian (HG) beams at the Stokes wavelength in a YVO4/Nd:YVO 4 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.

原文English
文章編號6817541
頁(從 - 到)318-322
頁數5
期刊IEEE Journal of Selected Topics in Quantum Electronics
21
發行號1
DOIs
出版狀態Published - 1 1月 2015

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