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Efficient Raman conversion through backward stimulated Brillouin scattering

Hong Jin Kong, Yong Geun Jeon, and Jai Ki Kim

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Abstract

We report a new scheme for efficient Raman conversion in high-pressure CH4 gas. Through the use of backward stimulated Brillouin scattering as a resonator mirror for the pump wave at a wavelength of 1.06 μm, Raman laser generation at the eye-safe wavelength of 1.54 μm has been obtained from a passively Q-switched Nd:YAG laser. At a pressure of 600 psi, we obtained Raman conversion efficiencies of up to 48%.

© 1995 Optical Society of America

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