Title :
Luminous and photon standards by trap detectors
Author :
Castelletto, Stefania ; Rastello, Maria Luisa
Author_Institution :
Ist. Elettrotecnico Nazionale Galileo Ferraris, Torino, Italy
fDate :
8/1/1998 12:00:00 AM
Abstract :
This paper presents the realization of photometric and photon standards with the same detector. To this aim, a measurement system has been set up at the Istituto Elettrotecnico Nazionale (IEN) based on trap detectors able to measure both luminous and photon flux of a light source. To validate the experimental results, the Planck´s constant is obtained from the measured data. This paper highlights some of the problems encountered and discusses the relationship among lumen and mole of photons for electromagnetic radiation in the visible range
Keywords :
measurement standards; photodetectors; photometry; radiometry; units (measurement); Planck constant; electromagnetic radiation; light source; luminous flux; luminous standards; measurement system; photometric standards; photon flux; photon standards; trap detectors; visible range; Detectors; Electromagnetic measurements; Electromagnetic radiation; Humans; Photometry; Photonics; Physics; Power measurement; Radiometry; Wavelength measurement;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
