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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 28 — Oct. 1, 1998
  • pp: 6664–6670

Field calibration unit for ultraviolet spectroradiometers

Edward A. Early, E. Ambler Thompson, and Patrick Disterhoft  »View Author Affiliations


Applied Optics, Vol. 37, Issue 28, pp. 6664-6670 (1998)
http://dx.doi.org/10.1364/AO.37.006664


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Abstract

Horizontal standard lamps calibrate the spectral irradiance responsivity of spectroradiometers that measure solar ultraviolet irradiance. A field calibration unit and power supply developed to meet the requirements for using these standards in the field are described and their operation and associated uncertainties are detailed. Results from assessments obtained at two field instrument intercomparisons indicate that the horizontal standard, field calibration unit, and power supply operate within the design tolerances, making them suitable for performing routine calibrations in the field on most ultraviolet spectroradiometers.

© 1998 Optical Society of America

OCIS Codes
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(120.5630) Instrumentation, measurement, and metrology : Radiometry

History
Original Manuscript: April 16, 1998
Revised Manuscript: June 10, 1998
Published: October 1, 1998

Citation
Edward A. Early, E. Ambler Thompson, and Patrick Disterhoft, "Field calibration unit for ultraviolet spectroradiometers," Appl. Opt. 37, 6664-6670 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-28-6664


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References

  1. U.S. Interagency UV-Monitoring Network Plan, United States Global Change Research Program, USGCRP-95-01 (Global Change Research Information Office, Washington, D.C., 1995).
  2. J. H. Walker, R. D. Saunders, J. K. Jackson, D. A. McSparron, “Spectral irradiance calibrations,” Natl. Bur. Stand. (U.S.) Spec. Publ. 250–20 (1987).
  3. E. A. Early, A. Thompson, “Irradiance of horizontal quartz-halogen standard lamps,” J. Res. Natl. Inst. Stand. Technol. 101, 141–153 (1996). [CrossRef]
  4. A. Thompson, E. A. Early, J. DeLuisi, P. Disterhoft, D. Wardle, J. Kerr, J. Rives, Y. Sun, T. Lucas, T. Mestechkina, P. Neale, “The 1994 North American interagency intercomparison of ultraviolet monitoring spectroradiometers,” J. Res. Natl. Inst. Stand. Technol. 102, 279–322 (1997). [CrossRef]
  5. J. H. Walker, A. Thompson, “Improved automated current control for standard lamps,” J. Res. Natl. Inst. Stand. Technol. 99, 255–261 (1994). [CrossRef]
  6. Certain commercial equipment, instruments, or materials are identified in this paper to specify adequately the experimental procedure. Such identification does not imply recommendation or endorsement by the National Institute of Standards and Technology, nor does it imply that the materials or equipment identified are necessarily the best available for the purpose.
  7. E. A. Early, A. Thompson, B. C. Johnson, J. DeLuisi, P. Disterhoft, D. Wardle, E. Wu, W. Mou, Y. Sun, T. Lucas, T. Mestechkina, L. Harrison, J. Berndt, D. Hayes, “The 1995 North American interagency intercomparison of ultraviolet monitoring spectroradiometers,” J. Res. Natl. Inst. Stand. Technol. 103, 15–62 (1998). [CrossRef]
  8. B. C. Johnson, H. W. Yoon, E. A. Early, E. A. Thompson, S. B. Hooker, R. E. Eplee, R. A. Barnes, J. L. Mueller, “The Fifth SeaWiFS Intercalibration Round-Robin Experiment, SIRREX-5, July 1996,” NASA Tech. Memo. (to be published).

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