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Snapshot diffractive computational imaging spectroscopy
Author(s): Yun Su; Yanli Liu; Haibo Zhao; Jianchao Jiao; Quansen Sun; Jianxin Li
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Paper Abstract

With the increase in the lens aperture and widen in the spectrum, the dispersion range of diffractive optic image spectrometer (DOIS) is also growing. Large scale axial scanning increases the difficulty of system design and manufacturing of the GEO spectrometer. In this Letter, an efficient method and system for hyperspectral imaging of GEO orbit is realized by fusing diffractive optic and light field imaging technology. The emergence of the light field imaging technology provides a perfect solution for DOIS. Our system is a snapshot spectrometer that projects the spectral and spatial information simultaneously onto a CCD detector. Here a spectrometer system that operates in the 500-650nm band is designed and the performance of the system is analyzed and evaluated. Experiments are shown to illustrate the performance improvement attained by the new model. Our analysis shows that the novel snapshot hyperspectral diffractive computational image spectrometer is no-slit, high throughout, feasible and usable imager that can be widely built for many fields.

Paper Details

Date Published: 7 November 2018
PDF: 6 pages
Proc. SPIE 10832, Fifth Conference on Frontiers in Optical Imaging Technology and Applications, 108321V (7 November 2018); doi: 10.1117/12.2512033
Show Author Affiliations
Yun Su, Beijing Institute of Space Mechanics and Electricity (China)
Yanli Liu, Beijing Institute of Space Mechanics and Electricity (China)
Haibo Zhao, Beijing Institute of Space Mechanics and Electricity (China)
Jianchao Jiao, Beijing Institute of Space Mechanics and Electricity (China)
Quansen Sun, Nanjing Univ. of Science and Technology (China)
Jianxin Li, Nanjing Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 10832:
Fifth Conference on Frontiers in Optical Imaging Technology and Applications
Junhao Chu; Wenqing Liu; Huilin Jiang, Editor(s)

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