Author(s)

Dong Liu, Yongqi Fu, Lechen Yang, Baoshun Zhang, Haijun Li, Kai Fu, Min Xiong

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Influence of duty ratio of metallic gratings applied in quantum well infrared photodetector (QWIP) with detection ranging from 3 μm to 5 μm was studied in this paper. The influence on longer enhanced wavelength working at infrared waveband was investigated. A relationship between the duty ratio and the enhanced peak intensity is given. Some results can be applied to optimize the enhanced efficiency of the metallic gratings.

Metallic Gratings, Duty Ratio, Infrared Waveband, QWIP

Liu, D. , Fu, Y. , Yang, L. , Zhang, B. , Li, H. , Fu, K. and Xiong, M. (2011) Optimization of Duty Ratio of Metallic Grating Arrays for Infrared Photodetectors. Optics and Photonics Journal, 1, 97-100. doi: 10.4236/opj.2011.13016.