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Phasing a Dual Optical Path System Using an Optical Fiber as a Phase Conjugate Mirror

Phasing a Dual Optical Path System Using an Optical Fiber as a Phase Conjugate Mirror

Paperback

Technology & Engineering

ISBN10: 1025086171
ISBN13: 9781025086170
Publisher: Hutson Street Press
Published: May 22 2025
Pages: 76
Weight: 0.26
Height: 0.16 Width: 6.14 Depth: 9.21
Language: English

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.

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