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Study of Characteristics of LEDs for Phytoirradiators. L&E 27 (6) 2019

Light & Engineering 27 (6)

Volume 27
Date of publication 12/20/2019
Pages 97-105

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Study of Characteristics of LEDs for Phytoirradiators. L&E 27 (6) 2019
Articles authors:
Mikhail M. Erokhin, Pavel V. Kamshilov, Vladislav G. Terekhov, Andrei N. Turkin

Mikhail M. Erokhin graduated from Lomonosov Moscow State University in 2019. At present time, he is an engineer of the Testing Centre at VNISI named after S.I. Vavilov

Pavel V. Kamshilov graduated from Moscow State University of Geodesy and Mapping in 1998 with specialty in Optoelectronic Instruments and Systems. Chief Specialist of OOO VNISI, assistant of the Light Engineering sub-department of NIU MPEI

Vladislav G. Terekhov, Ph. D. He graduated with honors from the Moscow State University of Economics, Statistics, and Informatics with a degree in Applied Informatics in Economics. At present, he is General Director of SPC “SVETOKULTURA” and senior researcher of Ltd VNISI named after S.I. Vavilov

Ph.D., raduated from Faculty of Physics of M.V. Lomonosov Moscow State University (MSU) in 1995. At present, he is an Associated Professor of the Department of Optics, Spectroscopy and Nanosystem Physics of Faculty of Physics of Lomonosov State University

The present study comprises comprehensive research of red, green and blue light emitting diodes (LED), which are widely used in phytoirradiators for plant growing in protected ground in the environment of a photo-culture including their spectrum measurements within the wide range of current values at room temperature. Shifts of spectral peaks of radiation of red and green LEDs after increase of operating current were discovered. On the basis of the conducted study, recommendations for selection of current operating mode of light sources used in phytoirradiators for plant growing in the environment of photo-culture were worked out, and a model of a phytoirradiator was proposed and studied in this work with red, green and blue LEDs, which have their spectrum covering all regions of photosynthetic active radiation (PAR).
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