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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 14 — Jul. 6, 2009
  • pp: 11594–11606

Scene-based spectral calibration assessment of high spectral resolution imaging spectrometers

Luis Guanter, Karl Segl, Bernhard Sang, Luis Alonso, Hermann Kaufmann, and Jose Moreno  »View Author Affiliations

Optics Express, Vol. 17, Issue 14, pp. 11594-11606 (2009)

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An accurate knowledge of the spectral calibration of imaging spectrometers is required for optimum data processing and interpretation. The scene-based spectral characterization of imaging spectrometers is frequently necessary to update or replace the pre-flight laboratory-based spectral characterization supplied by the data provider. An automatic method for the estimation of spectral calibration parameters (channel position and bandwidth) at atmospheric absorption regions from high spectral resolution imaging spectrometers (spectral sampling interval below 5 nm) is presented in this contribution. The method has been tested on two commercial instruments with spectral sampling intervals below 2.5 nm. Optical aberrations such as smile, spectrometer shift and rotation and degradation of channel bandwidth have been detected and are discussed in terms of potential error sources at the instrument level.

© 2009 Optical Society of America

OCIS Codes
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(010.1285) Atmospheric and oceanic optics : Atmospheric correction
(110.4234) Imaging systems : Multispectral and hyperspectral imaging

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: May 5, 2009
Revised Manuscript: June 2, 2009
Manuscript Accepted: June 3, 2009
Published: June 25, 2009

Luis Guanter, Karl Segl, Bernhard Sang, Luis Alonso, Hermann Kaufmann, and Jose Moreno, "Scene-based spectral calibration assessment of high spectral resolution imaging spectrometers," Opt. Express 17, 11594-11606 (2009)

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