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Origin of Self-pumped Phase Conjugate Waves in KNSBN Crystals

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摘要 A multistage four-wave mixing interaction region model resulting in self-pumped phase conjugation output of the incident beam is suggested to explain the experimental observations.The competition between forward and backward two-wave mixing is demonstrated and used to explain the formation of the mechanism.The backscattering beams from random noise beams may be amplified by contradirectional two-wave mixing selectively and act as pumped beams from our experimental observations under a laser entering the negative c face of copper-doped potassium sodium strontium barium niobate crystal.The phase conjugation reflectivity of as high as 33%is measured.
出处 《Chinese Physics Letters》 SCIE CAS CSCD 1996年第7期523-526,共4页 中国物理快报(英文版)
基金 Supported by a Grant for a Key Research Project in Climbing Program from the State Science and Technology Commission of China.
关键词 PUMPED mixing BACKWARD
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