Phase fluctuation of self-phase-controlled stimulated Brillouin scattering waves via K8 glass |
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| Authors: | Jae Sung Shin Hong Jin Kong |
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| Affiliation: | 1. Lomonosov Moscow State University, GSP-1, Leninskie Gory, 119991 Moscow, Russia;2. The University of Manchester, Manchester M13 9PL, UK;3. Moscow Institute of Physics & Technology, Moscow 141700, Russia;1. Center for Environmental Research and Sustainable Technology (UFT), University of Bremen, Leobener Strasse 1, 28359 Bremen, Germany;2. School of Chemistry, Monash University, Wellington Road, Clayton, Building 23, Victoria 3800, Australia;3. Chair of Theoretical Chemistry, Technical University Munich, Lichtenbergstrasse 4, 85747 Garching, Germany;4. Hybrid Materials Interfaces (HMI), University of Bremen, TAB Building, Am Fallturm 1, 28359 Bremen, Germany |
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| Abstract: | As stimulated Brillouin scattering (SBS) materials, solids have many advantages such as compactness, innoxiousness, and ease of handling. The SBS threshold and reflectivity of K8 glass, a solid material, are investigated. A SBS phase control experiment using K8 glass to achieve coherent beam combination is performed with a self-phase-control technique below the optical damage threshold. The experimental results show that the short-term phase has been stabilized well with λ/33.8 fluctuation during 256 shots (25.6 s), and that the long-term phase change with non-convective K8 glass is much slower than that with convective HT-70 liquid. |
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