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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 31 — Nov. 1, 1990
  • pp: 4686–4693

Comparison of two cryogenic radiometers by determining the absolute spectral responsivity of silicon photodiodes with an uncertainty of 0.02%

Nigel P. Fox and John E. Martin  »View Author Affiliations


Applied Optics, Vol. 29, Issue 31, pp. 4686-4693 (1990)
http://dx.doi.org/10.1364/AO.29.004686


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Abstract

To substantiate the NPL primary standard cryogenic radiometer as an absolute instrument it has been compared with the cryogenic radiometer which was successfully used to determine the Stefan-Boltzmann constant. The comparison was carried out with an accuracy of better than 0.02% by the independent determination of the spectral responsivity of silicon photodiodes with each radiometer. Only a detector comprising a number of silicon photodiodes (a trap device) had the required stability to achieve the desired accuracy. Four trap devices were found to have near unity internal quantum efficiency, being self-consistent to within 0.01%.

© 1990 Optical Society of America

History
Original Manuscript: March 2, 1990
Published: November 1, 1990

Citation
Nigel P. Fox and John E. Martin, "Comparison of two cryogenic radiometers by determining the absolute spectral responsivity of silicon photodiodes with an uncertainty of 0.02%," Appl. Opt. 29, 4686-4693 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-31-4686


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References

  1. W. R. Blevin, “Optical Radiometry—One Hundred Years After Stefan and Boltzmann,” in Proceedings, International Conference on Optical Radiometry, Inst. Phys. Conf. Ser. 92, 1–9 (1988).
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  3. T. J. Quinn, J. E. Martin, “A Radiometric Determination of the Stefan-Boltzmann Constant and Thermodynamic Temperatures Between −40°C and +100°C,” Phil. Trans. R. Soc. London Ser. A 316, 85–189 (1985). [CrossRef]
  4. J. E. Martin, T. J. Quinn, B. Chu, “Further Measurements of Thermodynamic Temperature Using a Total Radiation Thermometer: the Range −130°C to +60°C,” Metrologia 25, 107–112 (1988). [CrossRef]
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  8. E. F. Zalewski,a P. J. Key,b J. E. Martin,b J. B. Fowler,a and J. Geist,a (a NIST, Washington;b NPL, Toddington) unpublished results.
  9. N. P. Fox, J. E. Martin, “The Intercomparison of Two Cryogenic Radiometers,” in Proceedings, International Conference on Optical Radiometry, Inst. Phys. Conf. Ser. 92, 31–37 (1988).
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  11. T. J. Quinn, Temperature (Academic, New York, 1983).
  12. J. Geist, E. F. Zalewski, U.S. National Institute of Standards & Technology; private communication.
  13. E. F. Zalewski, J. Geist, “Silicon Photodiode Absolute Spectral Response Self-Calibration,” Appl. Opt. 19, 1214–1216 (1980). [CrossRef] [PubMed]

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