Spectral correction of a detector used in illuminance measurements

Irena Fryc

doi:10.1117/12.353083

14 July 1999 Spectral correction of a detector used in illuminance measurements

Irena Fryc

Proceedings Volume 3820, 11th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; (1999) https://doi.org/10.1117/12.353083
Event: Eleventh Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 1998, Stara Lesna, Slovakia

Abstract

A method of spectral correction of detectors used in illuminance meter heads is discussed. An equation is presented by means of which it is possible to determine the monochromatic transmittance (tau) _(lambda ) of the filter set which should be used in order that the photometric head be spectrally corrected for the luminous flux falling from the half-space. The spectral characteristics of the filter set for spectral correction of a silicon detector are given for cases in which the luminous flux measured comes from a half-space of uniform luminance distribution. For a head so corrected, the measurement errors due to an inappropriate geometry of the light beams falling on its active surface were calculated. A relation between the magnitude of errors f₁ and f₁' and the luminous flux incidence on the active surface of the luxmeter head was found.

Citation Download Citation

Irena Fryc "Spectral correction of a detector used in illuminance measurements", Proc. SPIE 3820, 11th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, (14 July 1999); https://doi.org/10.1117/12.353083

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