Generalization of the Lyot filter and its application to snapshot spectral imaging

被引:107
|
作者
Gorman, Alistair [1 ]
Fletcher-Holmes, David William
Harvey, Andrew Robert [1 ]
机构
[1] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland
来源
OPTICS EXPRESS | 2010年 / 18卷 / 06期
基金
英国工程与自然科学研究理事会;
关键词
SPECTROMETER; TECHNOLOGY;
D O I
10.1364/OE.18.005602
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A snapshot multi-spectral imaging technique is described which employs multiple cascaded birefringent interferometers to simultaneously spectrally filter and demultiplex multiple spectral images onto a single detector array. Spectral images are recorded directly without the need for inversion and without rejection of light and so the technique offers the potential for high signal-to-noise ratio. An example of an eight-band multispectral movie sequence is presented; we believe this is the first such demonstration of a technique able to record multi-spectral movie sequences without the need for computer reconstruction. (C) 2010 Optical Society of America
引用
收藏
页码:5602 / 5608
页数:7
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