Biswas, D. J.Nilaya, J. P.Danailov, M. B.2022-03-162022-03-162003Optics Communications, 2003. Vol. 226: pp. 387-391http://hdl.handle.net/123456789/242163605 bytestext/htmlenphoto-refractive two-wave mixing gainBessel pump beamphoto-refractive amplifierconventional geometryEnhancement of photo-refractive two-wave mixing gain with a Bessel pump beamArticle