Abstract
Using photorefractive two-wave mixing in a strontium barium niobate (SrxBa1−xNb2O6) crystal in conjunction with a self-pumped barium titanate (BaTiO3) phase conjugator, we have demonstrated the cleanup of a phase-distorted laser beam. A clean seed beam is amplified by the phase-aberrated pump beam through the photorefractive two-wave mixing process. The optical phase conjugation is used to eliminate the phase aberration introduced by the photorefractive gain medium.
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