Vestnik of Samara State Technical University. Technical Sciences SeriesVestnik of Samara State Technical University. Technical Sciences Series1991-85422712-8938Samara State Technical University2131110.14498/tech.2019.1.%uResearch ArticleMathematical model of optical chanel of information-measuring fluorometric systemKulikovV. S.info@eco-vector.comGrishanovV. N.info@eco-vector.comCherepanovK. V.info@eco-vector.comSamara State Technical UniversitySamara University1503201927145560403202004032020Copyright © 2020, Samara State Technical University2020<p>A mathematical model for evaluation of power of information-measuring fluorometric system is developed. The main objective of fluorimeter is measurement of intensity of fluorescent radiation of human skin in vivo. The model is realized in a packet of computer mathematics Mathcad and consists of the units modeling energetic characteristics of passive optical elements, radiators and photodetectors on base of photometry laws. For creation of model elements reference, literary and experimental data on them are used. Basic purpose of model operational quantitative comparing of constructive solutions for instrument by energetic criterion photodiode`s output signal. The given obviously mathematical functions provide openness of model and accessibility for modification by the user.</p>mathematical modelradiation streamlaserlight-emitting diodephotodiodelight filterfluorimeterphotometrymathematical modelradiation streamlaserlight-emitting diodephotodiodelight filterfluorimeterphotometry