Method for the calibration of the spectral irradiance of tungsten filament transfer standard sources traceable to synchrotron radiation.
Appl Opt
; 52(21): 5152-7, 2013 Jul 20.
Article
em En
| MEDLINE
| ID: mdl-23872760
ABSTRACT
The spectral irradiance calibration of tungsten strip and spiral filament lamps applying synchrotron radiation revealed that the spectral irradiance in the wavelength range from 280 to 400 nm can be well approximated by blackbody radiation according to Planck's law. Consequently, the spectral irradiance of the filament lamp can then be described by an effective irradiance temperature, which would be beneficial for practical measurements. Including the emissivity of tungsten into the approximation, the model can be expanded to visible and near-infrared wavelength regions. The effective irradiance temperature dependence of the lamp current was investigated and appeared to be close to linear.
Texto completo:
1
Bases de dados:
MEDLINE
Tipo de estudo:
Prognostic_studies
Idioma:
En
Revista:
Appl Opt
Ano de publicação:
2013
Tipo de documento:
Article
País de afiliação:
Federação Russa