Abstract

We investigate the process of Brillouin amplification when the pump beam has a TEM00 Gaussian spatial profile. We show that the fidelity of amplification is a function of the ratio of the signal-beam diameter to the pump-beam diameter, the signal-beam intensity, and the small-signal gain of the Brillouin amplifier. We have verified these results experimentally by amplifying weak 1.06-μm laser pulses in CCl2FCClF2.

© 1991 Optical Society of America

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