INFRARED FREQUENCY CHARACTERISTIC OF ANTIFERROMAGNETIC CRYSTAL
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O734 TM271.6

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    Abstract:

    Frequency properties of infrared nonlinear s polarized surface waves, which transmit through the interface between a dielectric and a nonlinear antiferromagnet were studied. The nonlinear dispersion equation was derived. It is found that there is a critical frequency in the nonlinear s polarized surface waves. Below this frequency, the nonlinear s polarized waves on the interface are backward surface waves. Using the dispersion equation and boundary conditions, the frequency region of nonlinear s polarized waves was discussed in detail. The results show that not only the power but also the ratio of dielectric constants of two materials can influence the frequency region significantly.

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WANG Qi ZHOU Jiong Mao WU Zhong LI Chun Fang. INFRARED FREQUENCY CHARACTERISTIC OF ANTIFERROMAGNETIC CRYSTAL[J]. Journal of Infrared and Millimeter Waves,2002,21(6):423~428

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  • Received:
  • Revised:November 16,2001
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