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Optimization of Duty Ratio of Metallic Grating Arrays for Infrared Photodetectors

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DOI: 10.4236/opj.2011.13016    3,753 Downloads   7,391 Views   Citations

ABSTRACT

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.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

D. Liu, Y. Fu, L. Yang, B. Zhang, H. Li, K. Fu and M. Xiong, "Optimization of Duty Ratio of Metallic Grating Arrays for Infrared Photodetectors," Optics and Photonics Journal, Vol. 1 No. 3, 2011, pp. 97-100. doi: 10.4236/opj.2011.13016.

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