24 August 2017 Theoretical improvement and experimental research on Raman coupled equations
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Abstract
The classic Raman coupled equations, which describe the principles of the interaction between the incident and generated laser, have important applications in numerous domains. However, the classic Raman equations ignored the off-axis generated laser energy, which cannot be ignored in certain circumstances. We improved the classic equations by considering the off-axis laser energy of the stimulated Raman scattering. A single-pass multiwavelength potassium gadolinium tungstate crystal Raman generator pumped by a picosecond Nd:YAG laser was realized. On the basis of theoretical calculation and experimental verification, the improved equations produced numerical results for the output spectrum and output laser conversion efficiency that have a better agreement with the experimental results than the classic equations.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Xiaobin Wang, Xiaobin Wang, Wenyun Kang, Wenyun Kang, Ping Xie, Ping Xie, Nan Zong, Nan Zong, } "Theoretical improvement and experimental research on Raman coupled equations," Optical Engineering 56(8), 086109 (24 August 2017). https://doi.org/10.1117/1.OE.56.8.086109 . Submission: Received: 17 May 2017; Accepted: 26 July 2017
Received: 17 May 2017; Accepted: 26 July 2017; Published: 24 August 2017
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