Traceability of spectral irradiance scales using detector based standard lamps

Progress Report, 14.02.2014

No new calibrations.

Progress Report, 15 February 2013

There were no activities in the period from 02/2011 to


Progress Report, 14 February 2013

No new calibrations.

Progress Report, 4 March 2011

No new calibrations.

PTB maintains a spectral irradiance scale derived from black bodies in the ultraviolet, visible and infrared region. The spectral irradiance transfer standard lamps (detector based system) of the BEV will be calibrated on a regular time schedule in the wavelength ranges 250 nm - 1000 nm.

Further Information

Progress report submitted in May 2004.

Photometry and Radiometry (PR)
Coordinating Institute
BEV (Austria)
Participating Partners
PTB (Germany)