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1 kHz dual sub-pulse train picosecond radially polarized beam KGW Raman generator capable of achieving multiple optical communication wavelength
摘要： A dual sub-pulse train 1064 nm picosecond radially polarized beam pump KGW single-pass Raman generator was designed. The Stokes lines of both the 768 cm?1 and 901 cm?1 vibrational modes of the KGW Raman-active crystal were excited simultaneously. The Raman generator radiated up to seven Stokes lines in the infrared spectrum, which covered multiple optical communication channels. The overall Stokes average power reached 1.01 W, and the maximum Raman overall conversion efficiency was 23.1%. The interaction between the optical field and the Raman crystal was discussed from two perspectives of line width compression and beam quality.
关键词： Multi-wavelength KGW Raman laser,Nonlinear optics,Dual sub-pulse train picosecond laser,Infrared spectrum,Radially polarized beam
更新于2025-09-12 10:27:22
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[IEEE 2017 IEEE Workshop on Recent Advances in Photonics (WRAP) - Hyderabad (2017.12.18-2017.12.19)] 2017 IEEE Workshop on Recent Advances in Photonics (WRAP) - Utilization of Segmented Cladding Fiber for the Generation of High Energy Femtosecond Pulse Trains
摘要： Generation of high-peak-power, femtosecond pulse train and pulse doublet has been numerically demonstrated by exponentially decreasing the dispersion along the length of the large-mode-area segmented-cladding fiber. Such pulse trains find applications in various nonlinear optical processes.
关键词： pulse doublet,femtosecond pulses,large mode area fiber,pulse train,Segmented cladding fiber
更新于2025-09-10 09:29:36