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Proceedings Article

Development and characterization of a miniature dual-channel spectrometer for spectrocolorimetry

[+] Author Affiliations
Harry J. Oana, Lothar Jahreiss, Danny C. Rich, Stephan Trost

Datacolor International (USA)

Proc. SPIE 1681, Optically Based Methods for Process Analysis, 12 (August 14, 1992); doi:10.1117/12.137733
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From Conference Volume 1681

  • Optically Based Methods for Process Analysis
  • David S. Bomse; Harry Brittain; Stuart Farquharson; Jeremy M. Lerner; Alan J. Rein; Cary Sohl; Terry R. Todd; Lois Weyer
  • Somerset, NJ | March 22, 1992

abstract

A high performance, miniature, dual-channel spectrometer has been design ed for use in spectrocolorimeters. It contains an aberration corrected holographic grating at f/1.6 and two custom photodiode linear arrays (128 channels each) covering the visible spectrum (380 nm to 720 nm). The spectrometer is interfaced with optical fibers and is calibrated separately from the instrument. A wavelength calibration method based on several spectral lines was developed for the spectrometer. The method calculates the bandpass function, the centroid location and the bandwidth at the calibration wavelengths. The dispersion curve is fitted with a parabolic correction for the residuals. The wavelength scale precision and accuracy were measured.

© (1992) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Harry J. Oana ; Lothar Jahreiss ; Danny C. Rich and Stephan Trost
"Development and characterization of a miniature dual-channel spectrometer for spectrocolorimetry", Proc. SPIE 1681, Optically Based Methods for Process Analysis, 12 (August 14, 1992); doi:10.1117/12.137733; http://dx.doi.org/10.1117/12.137733


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