期刊
OPTICS EXPRESS
卷 17, 期 24, 页码 21433-21441出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.17.021433
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资金
- National Basic Research Program [2004CB719801]
- Natural Science of Jiangsu Province [BK2007046]
- Soochow University
The temperature-dependent Goos-Hanchen shift (GHS) for an electromagnetic wave reflected from a metal/dielectric composite material is investigated. With the stationary-phase method, we theoretically show that the effect of the temperature on GHS is significant near the Brewster angle for the dielectric composites and at the grazing angle for the metallic composites. For dielectric composites, the lateral shift can be negative as well as positive. And GHS may become much negative, much positive, and nonmonotonic variation with increasing the temperature under different conditions. Moreover, through the suitable adjustment of the temperature, one may realize the reversal of the GHS. To support the above results, numerical simulations for Gaussian incident beams based on the momentum method and COMSOL Multiphysics software are provided, and reasonable agreement between the theoretical results and numerical simulations is found. (C) 2009 Optical Society of America
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