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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

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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 5mJ and a delay time of 5ns, 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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