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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper CWO7

Mutual coherentization through two-wave mixing

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Abstract

Two-wave mixing allows one to vary phase, intensity, polarization, temporal, and spatial pro file of interacting beams.1,2 In this work, it is shown that two-wave mixing on the gratings with an energy transfer could give nearly coherent beams at the output if one has partially coherent beams at the input. Such a possibility seems to be attractive to increase an interference pattern contrast in situations when it is impossible to diminish a path difference or when the beams are created by different but narrowband laser sources of the same kind.

© 1991 Optical Society of America

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