A microspectrometer based on subwavelength metal nanohole array

Jun Cui; Liangping Xia; Zheng Yang; Lu Yin; Guoxing Zheng; Shaoyun Yin; Chunlei Du

doi:10.1117/12.2073502

6 November 2014 A microspectrometer based on subwavelength metal nanohole array

Jun Cui, Liangping Xia, Zheng Yang, Lu Yin, Guoxing Zheng, Shaoyun Yin, Chunlei Du

Proceedings Volume 9272, Optical Design and Testing VI; 92721O (2014) https://doi.org/10.1117/12.2073502
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

Catering to the active demand of the miniaturization of spectrometers, a simple microspectrometer with small size and light weight is presented in this paper. The presented microspectrometer is a typical filter-based spectrometer using the extraordinary optical transmission property of subwavelength metal hole array structure. Different subwavelength metal nanohole arrays are designed to work as different filter units obtained by changing the lattice parameters. By processing the filter spectra with a unique algorithm based on sparse representation, the proposed spectrometer is demonstrated to have the capability of high spectral resolution and accuracy. Benefit for the thin filmed feature, the microspectrometer is expected to find its application in integrated optical systems.

Citation Download Citation

Jun Cui, Liangping Xia, Zheng Yang, Lu Yin, Guoxing Zheng, Shaoyun Yin, and Chunlei Du "A microspectrometer based on subwavelength metal nanohole array", Proc. SPIE 9272, Optical Design and Testing VI, 92721O (6 November 2014); https://doi.org/10.1117/12.2073502

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