Investigation of the relationship between the prepulse energy and the delay time in the waveform preservation of a stimulated Brillouin scattering wave by prepulse injection

Abstract

It is well known that a stimulated Brillouin scattering (SBS) wave undergoes deformation of its temporal waveform when the pulse is reflected from the SBS medium. A prepulse injection method is a promising technique that is used to preserve temporal pulse shape of a SBS wave by injecting the prepulse before the main pulse enters the SBS interaction region. In earlier research, it was reported that with a prepulse energy of $5\mathrm{mJ}$ and a delay time of $5\mathrm{ns}$, the pulse shape is perfectly preserved. In this research, the prepulse energy required for waveform preservation according to the delay time was investigated experimentally, and the results are explained using a simple theoretical model.

© 2009 Optical Society of America

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