A high Brillouin amplification using liquid fluorocarbon

Frank F. Wu; Anatoliy Khizhnyak; Vladimir Markov

doi:10.1117/12.841072

17 February 2010 A high Brillouin amplification using liquid fluorocarbon

Frank F. Wu, Anatoliy Khizhnyak, Vladimir Markov

Proceedings Volume 7582, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX; 75821J (2010) https://doi.org/10.1117/12.841072
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

Although the gain coefficient of the Stimulated Brillouin Scattering (SBS) of the fluorocarbon liquid C₈F₁₈ is substantially lower than for other nonlinear media, it is an attractive medium since its highly purified version has a high optical breakdown threshold, and it is stable and very safe to operate. We have utilized it as a phase conjugate mirror (PCM) and the PCM reflectivity better than 90% has been achieved at optimized focusing conditions of an incoming beam. The output energy of the phase conjugated pulse linearly followed the input pulse energy after reaching the threshold level at about 3.3 mJ. The slope efficiency was estimated about 95% without taking into account components' losses. Brillouin amplification through SBS has been realized in highly purified fluorocarbon liquid C₈F₁₈. This report discusses the design and results of performed experimental studies of the SBS in C₈F₁₈ demonstrating the amplification of a week signal beam (37 nJ) reaching up to 10⁵ or 50 dB.

Citation Download Citation

Frank F. Wu, Anatoliy Khizhnyak, and Vladimir Markov "A high Brillouin amplification using liquid fluorocarbon", Proc. SPIE 7582, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX, 75821J (17 February 2010); https://doi.org/10.1117/12.841072

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