Alternate formulation of enhanced backscattering as phase conjugation and diffraction: derivation and experimental observation

作者：Rogers Jeremy D^*; Stoyneva Valentina; Turzhitsky Vladimir; Mutyal Nikhil N; Pradhan Prabhakar; Capoglu Ilker R; Backman Vadim

来源：Optics Express, 2011, 19(13): 11922-11931.

Enhanced backscattering (EBS), also known as weak localization of light, is derived using the Huygens-Fresnel principle and backscattering is generally shown to be the sum of an incoherent baseline and a phase conjugated portion of the incident wave that forms EBS. The phase conjugated portion is truncated by an effective aperture described by the probability function P(s) of coherent path-pair separations. P(s) is determined by the scattering properties of the medium and so characterization of EBS can be used for metrology of scattering materials. A three dimensional intensity peak is predicted in free space at a point conjugate to the source and is experimentally observed.

• 出版日期2011-6-20
• 单位西北大学