Design of a tunable snapshot multispectral imaging system through ray tracing simulation

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dc.contributor.authorDing, Mengjia
dc.contributor.authorYuen, Peter W. T.
dc.contributor.authorPiper, Jonathan
dc.contributor.authorGodfree, Peter
dc.contributor.authorChatterjee, Ayan
dc.contributor.authorZahidi, Usman
dc.contributor.authorSelvagumar, Senthurran
dc.contributor.authorJames, David
dc.contributor.authorRichardson, Mark A.
dc.date.accessioned2019-02-18T10:39:01Z
dc.date.available2019-02-18T10:39:01Z
dc.date.issued2019-01-05
dc.description.abstractResearch on snapshot multispectral imaging has been popular in the remote sensing community due to the high demands of video-rate remote sensing system for various applications. Existing snapshot multispectral imaging techniques are mainly of a fixed wavelength type, which limits their practical usefulness. This paper describes a tunable multispectral snapshot system by using a dual prism assembly as the dispersion element of the coded aperture snapshot spectral imagers (CASSI). Spectral tuning is achieved by adjusting the air gap displacement of the dual prism assembly. Typical spectral shifts of about 1 nm at 400 nm and 12 nm at 700 nm wavelength have been achieved in the present design when the air-gap of the dual prism is changed from 4.24 mm to 5.04 mm. The paper outlines the optical designs, the performance, and the pros and cons of the dual-prism CASSI (DP-CASSI) system. The performance of the system is illustrated by TraceProTM ray tracing, to allow researchers in the field to repeat or to validate the results presented in this paper.en_UK
dc.identifier.citationMengjia Ding, Peter WT Yuen, Jonathan Piper, et al., Design of a tunable snapshot multispectral imaging system through ray tracing simulation. Journal of Imaging, Volume 5, Issue 1, 2019, Article number 9en_UK
dc.identifier.issn2313-433X
dc.identifier.urihttps://doi.org/10.3390/jimaging5010009
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13906
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectcoded aperture snapshot spectral imager (CASSI)en_UK
dc.subjectsnapshot imagingen_UK
dc.subjectoptical system designen_UK
dc.subjectmultispectral imagingen_UK
dc.titleDesign of a tunable snapshot multispectral imaging system through ray tracing simulationen_UK
dc.typeArticleen_UK

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