An imaging spectrometer employing tunable hyperchromatic microlenses

查看全文 作　　者：Phuong-Ha Cu-[1]Nguyen;Adrian [2]Grewe;Patrik [2]Feßer;Andreas [1]Seifert;Stefan [2]Sinzinger;Hans [1]Zappe

机构地区：[1]Gisela and Erwin Sick Chair of Micro-optics,Department of Microsystems Engineering,University of Freiburg,Freiburg 79110,Germany;[2]Fachgebiet Technische Optik,Institut fur Mikro-und Nanotechnologien,Technische Universitat Ilmenau,Ilmenau 98684,Germany

出　　处：《Light(Science & Applications)》索引2015年第4卷第1期,共9页

基　　金：This work was funded by the German Federal Ministry of Education and Research. 摘　　要：We present the design,fabrication and characterization of hydraulically-tunable hyperchromatic lenses for two-dimensional(2D)spectrally-resolved spectral imaging.These hyperchromatic lenses,consisting of a positive diffractive lens and a tunable concave lens,are designed to have a large longitudinal chromatic dispersion and the images of different wavelengths from each other.2D objects of different wavelengths can consequently be imaged using the tunability of the lens system.Two hyperchromatic lens concepts are demonstrated and their spectral characteristics as well as their functionality in spectral imaging applications are shown. 关键词：hyperchromatic lens imaging spectrometer tunable filter tunable lens

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An imaging spectrometer employing tunable hyperchromatic microlenses

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