Performance of a Nd: YAG oscillator/ampflifier with phase-conjugation via stimulated Brillouin scattering
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- Carr, I.D. & Hanna, D.C. Appl. Phys. B (1985) 36: 83. doi:10.1007/BF00694694
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Phase conjugation via stimulated Brillouin scattering in CH4 gas has been used to correct amplifier aberrations in a Nd: YAG oscillator/amplifier system. The single amplifier stage has been used in two-pass and four-pass arrangements. Using the four-pass arrangement incorporating compensation for thermal birefringence, a single-frequency diffraction-limited output of 350 mJ, in a compressed 6 ns pulse is achieved at 15 Hz repetition rate.