Four-beam Coherent Combination by Using Stimulated Brillouin Scattering with Wavefront Division

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Using stimulated Brillouin scattering phase conjugate mirrors (SBS-PCMs), we conducted a coherent beam combination of wavefront-divided beams. "Self-phase-controlled" SBS-PCMs were used to lock and control the phases of the SBS wave. Using an interferometer, we monitored the relative phase differences of the four spatially divided beams in real time. With long-term phase stabilization, the phase differences between the reference beam and the other three beams were well stabilized at standard deviations of lambda/36.3, lambda/35.8, and lambda/43.4 for a duration of 2500 shots (250 s).
Publisher
KOREAN PHYSICAL SOC
Issue Date
2010-08
Language
English
Article Type
Article
Keywords

LASER FUSION DRIVER; PHASE-CONJUGATE MIRRORS; SOLID-STATE LASERS; HIGH-POWER; STABILIZATION; LOCKING

Citation

JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.57, pp.316 - 319

ISSN
0374-4884
DOI
10.3938/jkps.57.316
URI
http://hdl.handle.net/10203/94594
Appears in Collection
PH-Journal Papers(저널논문)
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