Chin. Phys. Lett.  1999, Vol. 16 Issue (12): 899-901    DOI:
Original Articles |
Photorefractive Mutually-Pumped Phase Conjugation with Coherent Beams: Sensitivity to Small Perturbations
SHEN Jing-ling1,2;DAI Jian-hua1;ZHANG Hong-jun1
1Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080 2Department of Physics, Capital Normal University, Beijing 100037
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SHEN Jing-ling, DAI Jian-hua, ZHANG Hong-jun 1999 Chin. Phys. Lett. 16 899-901
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Abstract Mutually-pumped phase conjugation in BaTiO3 crystal with two coherent incident beams has been studied experimentally for the bridge configuration. We observed that when the two pump beams are blocked individually, the transient behavior of the phase conjugation reflectivity with coherent beams was greatly different from that with incoherent beams. The phase conjugate reflectivity was sensitive to small perturbations such as vibration, exhibiting a change of as much as a factor of 10. The response time to the vibration was measured to be about 0.3s.
Keywords: 42.65.Hw      42.70.Nq     
Published: 01 December 1999
PACS:  42.65.Hw (Phase conjugation; photorefractive and Kerr effects)  
  42.70.Nq (Other nonlinear optical materials; photorefractive and semiconductor materials)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1999/V16/I12/0899
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