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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 3 — Apr. 4, 2013

Inexpensive photonic crystal spectrometer for colorimetric sensing applications

Kurt M. Bryan, Zhang Jia, Nadia K. Pervez, Marshall P. Cox, Michael J. Gazes, and Ioannis Kymissis  »View Author Affiliations

Optics Express, Vol. 21, Issue 4, pp. 4411-4423 (2013)

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Photonic crystal spectrometers possess significant size and cost advantages over traditional grating-based spectrometers. In a previous work [Pervez, et al, Opt. Express 18, 8277 (2010)] we demonstrated a proof of this concept by implementing a 9-element array photonic crystal spectrometer with a resolution of 20nm. Here we demonstrate a photonic crystal spectrometer with improved performance. The dependence of the spectral recovery resolution on the number of photonic crystal arrays and the width of the response function from each photonic crystal is investigated. A mathematical treatment, regularization based on known information of the spectrum, is utilized in order to stabilize the spectral estimation inverse problem and achieve improved spectral recovery. Colorimetry applications, the measurement of CIE 1931 chromaticities and the color rendering index, are demonstrated with the improved spectrometer.

© 2013 OSA

OCIS Codes
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(130.6010) Integrated optics : Sensors
(330.1710) Vision, color, and visual optics : Color, measurement
(330.1730) Vision, color, and visual optics : Colorimetry
(130.5296) Integrated optics : Photonic crystal waveguides
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: November 1, 2012
Revised Manuscript: January 30, 2013
Manuscript Accepted: February 3, 2013
Published: February 13, 2013

Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics

Kurt M. Bryan, Zhang Jia, Nadia K. Pervez, Marshall P. Cox, Michael J. Gazes, and Ioannis Kymissis, "Inexpensive photonic crystal spectrometer for colorimetric sensing applications," Opt. Express 21, 4411-4423 (2013)

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