25970815
9781423548355
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Phase conjugation properties of stimulated Brillouin scattering (SBS) in a short multimode fiber have been investigated with an eye towards its application for a multi-channel double pass master oscillator power amplifier (MOPA) system. In particular, properties of the SBS beam to compensate for the axial and transverse phase distortion between individual channels in a multi- channel amplifier system were studied. Two optical paths were created by covering half of the laser beam with a microscope slide, and also by spatially splitting the wavefronts with a 4 prism set-up. The Stokes beams that traversed the same optical paths as the pump beams were shown to compensate the phase distortion introduced by the different optical paths.Air Force Inst of Tech Wright-Patterson AFB OH is the author of 'Phasing a Dual Optical Path System Using an Optical Fiber as a Phase Conjugate Mirror', published 2003 under ISBN 9781423548355 and ISBN 1423548353.
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