Optimization of Duty Ratio of Metallic Grating Arrays for Infrared Photodetectors
Dong Liu, Yongqi Fu, Lechen Yang, Baoshun Zhang, Haijun Li, Kai Fu, Min Xiong
DOI: 10.4236/opj.2011.13016   PDF    HTML     4,137 Downloads   8,161 Views   Citations


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.

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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.

Conflicts of Interest

The authors declare no conflicts of interest.


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