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Sensors 2011, 11(3), 2408-2425; doi:10.3390/s110302408

Laboratory Calibration of a Field Imaging Spectrometer System

1
School of Earth and Space Sciences, Peking University, 100871 Beijing, China
2
The State Key Laboratory of Remote Sensing Sciences, Institute of Remote Sensing Applications, Chinese Academy of Sciences, 100101 Beijing, China
3
Graduate University of Chinese Academy of Sciences, 100039 Beijing, China
*
Author to whom correspondence should be addressed.
Received: 9 December 2010 / Revised: 19 January 2011 / Accepted: 15 February 2011 / Published: 25 February 2011
(This article belongs to the Section Remote Sensors)
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Abstract

A new Field Imaging Spectrometer System (FISS) based on a cooling area CCD was developed. This paper describes the imaging principle, structural design, and main parameters of the FISS sensor. The FISS was spectrally calibrated with a double grating monochromator to determine the center wavelength and FWHM of each band. Calibration results showed that the spectral range of the FISS system is 437–902 nm, the number of channels is 344 and the spectral resolution of each channel is better than 5 nm. An integrating sphere was used to achieve absolute radiometric calibration of the FISS with less than 5% calibration error for each band. There are 215 channels with signal to noise ratios (SNRs) greater than 500 (62.5% of the bands). The results demonstrated that the FISS has achieved high performance that assures the feasibility of its practical use in various fields. View Full-Text
Keywords: hyperspectral remote sensing; imaging spectrometer; field imaging spectrometer system; FISS; calibration hyperspectral remote sensing; imaging spectrometer; field imaging spectrometer system; FISS; calibration
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Zhang, L.; Huang, C.; Wu, T.; Zhang, F.; Tong, Q. Laboratory Calibration of a Field Imaging Spectrometer System. Sensors 2011, 11, 2408-2425.

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