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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 13 — May. 1, 2004
  • pp: 2621–2631

Design and characterization of a photometer-colorimeter standard

George P. Eppeldauer and Miklós Rácz  »View Author Affiliations


Applied Optics, Vol. 43, Issue 13, pp. 2621-2631 (2004)
http://dx.doi.org/10.1364/AO.43.002621


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Abstract

A photometer and tristimulus colorimeter has been developed at the National Institute of Standards and Technology (NIST) to realize a color scale. A novel construction was developed to implement the spectral-responsivity-based scale with small uncertainty. The new device can be used as a reference illuminance and luminance meter as well. Temperature-controlled filter combinations, with 5–8 layers in one package, are used to match the responsivity of a silicon tunnel-trap detector to the CIE color-matching functions with small spectral mismatch values (f1′). Design considerations to extend the tunnel-trap detector with replaceable single and double apertures and changeable filter combinations are described. The design and fabrication of the filter packages and the dependence of the f1′ values on the thickness of the filter layers are discussed. The colorimeter was characterized for angular, spatial, and spectral responsivity. An improved preamplifier can convert current to voltage in an 11-decade dynamic range with 0.01% uncertainty.

© 2004 Optical Society of America

OCIS Codes
(040.5160) Detectors : Photodetectors
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(120.5240) Instrumentation, measurement, and metrology : Photometry
(330.1730) Vision, color, and visual optics : Colorimetry

History
Original Manuscript: July 30, 2003
Revised Manuscript: February 17, 2004
Published: May 1, 2004

Citation
George P. Eppeldauer and Miklós Rácz, "Design and characterization of a photometer-colorimeter standard," Appl. Opt. 43, 2621-2631 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-13-2621


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References

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  2. Publication CIE No. 69 (Central Bureau of the CIE, Vienna, 1987).
  3. All uncertainties discussed in this paper are relative expanded uncertainties with a coverage factor of two.
  4. G. P. Eppeldauer, S. W. Brown, C. C. Miller, K.R. Lykke, “Improved accuracy photometric and tristimulus-color scales based on spectral irradiance responsivity,” in Proceedings of the Twenty-Fifth Session of the CIE (Central Bureau of the CIE, Vienna, 2003), Vol. 1, pp. D2-30–D2-33.
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  8. The mention of certain commercial products in this paper is for information purposes only and does not constitute an endorsement of the product by the authors or their institutions.
  9. G. P. Eppeldauer, S. W. Brown, T. C. Larason, M. Racz, K. R. Lykke, “Realization of a spectral radiance responsivity scale with a laser-based source and Si radiance meters,” Metrologia 37, 531–534 (2000). [CrossRef]
  10. G. Czibula, “Producing a detector with predetermined spectral responsivity,” in Proceedings of the International Measurement Confederation (IMEKO) 10th International Symposium of the Technical Committee on Photon Detectors (IMEKO Secretariat, Budapest, 1982), Vol. 1, pp. 189–199.
  11. Publication CIE No. 15.2 (Central Bureau of the CIE, Vienna, 1986).
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