Resolution enhancement by combination of subpixel and deconvolution in miniature spectrometers

被引：8
|
作者：
Xu, Li [1 ]
Yang, Huaidong [1 ]
Chen, Kexin [1 ]
Tan, Qiaofeng [1 ]
He, Qingsheng [1 ]
Jin, Guofan [1 ]
机构：
[1] Tsinghua Univ, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
来源：
APPLIED OPTICS | 2007年 / 46卷 / 16期
关键词：
D O I：
10.1364/AO.46.003210
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The resolution of a miniature spectrometer with a multichannel detector is limited by its throughput. A subpixel deconvolution method is proposed to enhance resolution without physically reducing the throughput. The method introduces subpixel reconstruction to overcome undersampling during deconvolution processing. The experimental result has shown a 36.6% reduction in FWHM of spectral lines, indicating the effectiveness of the method. (c) 2007 Optical Society of America.
引用
收藏
页码：3210 / 3214
页数：5
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