Spectral irradiance standard for the ultraviolet: the deuterium lamp

1978; Optica Publishing Group; Volume: 17; Issue: 4 Linguagem: Inglês

10.1364/ao.17.000593

ISSN

0003-6935

Autores

R. D. Saunders, W. R. Ott, J. M. Bridges,

Tópico(s)

Photocathodes and Microchannel Plates

Resumo

A set of deuterium lamps is calibrated as spectral irradiance standards in the 200-350-nm spectral region utilizing both a high accuracy tungsten spectral irradiance standard and a newly developed argon mini-arc spectral radiance standard. The method which enables a transfer from a spectral radiance to a spectral irradiance standard is described. The following characteristics of the deuterium lamp irradiance standard are determined: sensitivity to alignment; dependence on input power and solid angle; reproducibility; and stability. The absolute spectral radiance is also measured in the 167-330-nm region. Based upon these measurements, values of the spectral irradiance below 200 nm are obtained through extrapolation.

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