Choice of optimal resolution and array for integrated photosynthetically active radiation spectroradiometer

S. S. Baev; I. A. Konyakhin; V. V. Korotaev; V. N. Kuzmin; A. A. Maraev; K. A. Tomskiy

doi:10.1117/12.2512211

7 March 2019 Choice of optimal resolution and array for integrated photosynthetically active radiation spectroradiometer

S. S. Baev, I. A. Konyakhin, V. V. Korotaev, V. N. Kuzmin, A. A. Maraev , K. A. Tomskiy

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Proceedings Volume 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation; 110533R (2019) https://doi.org/10.1117/12.2512211
Event: 10th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI 2018), 2018, Kunming, China

Abstract

The article is devoted to development of a spectroradiometer for an automatic controlled lighting system for plants cultivated in a greenhouse. The error of the spectroradiometer due to the discreteness of the multielement photodetector and the ratio of the entrance slit monochromatic image half-width to the step of the elements are considered. Relative error of photosynthetically active radiation bands ratio measurement for various instrument line functions is calculated. The results of an experiment for mass-produced optical multi-element photodetectors with different widths of sensitive elements for different entrance slit monochromatic image half widths of a polychromator are presented.

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S. S. Baev, I. A. Konyakhin, V. V. Korotaev, V. N. Kuzmin, A. A. Maraev , and K. A. Tomskiy "Choice of optimal resolution and array for integrated photosynthetically active radiation spectroradiometer", Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 110533R (7 March 2019); https://doi.org/10.1117/12.2512211

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KEYWORDS

Photodetectors

Diffraction gratings

Light sources and illumination

Agriculture

Point spread functions

Spectral resolution

Instrument modeling

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