Spectral bandwidth standard based on symmetrical absorption bands of a crystal standard

Oliverio D.D. Soares; Jose Luis C. Costa

doi:10.1117/12.328641

4 December 1998 Spectral bandwidth standard based on symmetrical absorption bands of a crystal standard

Oliverio D.D. Soares, Jose Luis C. Costa

Proceedings Volume 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications; (1998) https://doi.org/10.1117/12.328641
Event: 1998 International Conference on Applications of Photonic Technology, 1998, Ottawa, Canada

Abstract

A calibration procedure of spectral bandwidth of high- resolution spectrophotometers recurring to the symmetrical absorption bands of a crystal standard is described. The method involves spectral line shape fitting followed by convolution with the slit function of the spectrophotometer. A calibration curve on transmittance versus spectral bandwidth is provided for practical and accurate metrological verification of the actual spectral bandwidth of the spectrophotometer. Results will be provided on the testing of the method on an intercomparison of spectral bandwidth calibration involving twenty laboratories.

Citation Download Citation

Oliverio D.D. Soares and Jose Luis C. Costa "Spectral bandwidth standard based on symmetrical absorption bands of a crystal standard", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); https://doi.org/10.1117/12.328641

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