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ISSN: 1023-5086

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ISSN: 1023-5086

Scientific and technical

Opticheskii Zhurnal

A full-text English translation of the journal is published by Optica Publishing Group under the title “Journal of Optical Technology”

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DOI: 10.17586/1023-5086-2023-90-11-113-123

УДК: 520.35

Multispectral video camera optical system

Batshev, V.I., Krioukov A.V., Machikhin, A.S., Zolotukhina A.А.

Full text on elibrary.ru

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):
Батшев В.И., Крюков А.В., Мачихин А.С., Золотухина А.А. Оптическая система мультиспектральной видеокамеры // Оптический журнал. 2023. Т. 90. № 11. С. 113–123. http://doi.org/10.17586/1023-5086-2023-90-11-113-123

 

 

Batshev V.I., Krioukov A.V., Machikhin A.S., Zolotukhina A.A. Multispectral video camera optical system [in Russian] // Opticheskii Zhurnal. 2023. V. 90. № 11. P. 113–123. http://doi.org/10.17586/1023-5086-2023-90-11-113-123

For citation (Journal of Optical Technology):

V. I. Batshev, A. V. Krioukov, A. S. Machikhin, and A. A. Zolotukhina, "Multispectral video camera optical system," Journal of Optical Technology. 90 (11), 706-712 (2024).  https://doi.org/10.1364/JOT.90.000706

Abstract:

Subject of study. A method for designing an optical-electronic system that provides simultaneous acquisition of wideband and 15 spectral images. Aim of study. Development and testing of a multispectral video camera based on a system of lenses that form images on a single sensor in the ultraviolet, visible and near infrared spectral ranges. Method. The proposed solution is based on a lens system of two optical configurations of a reversing telephoto lens with a remote entrance pupil, independently optimized for ultraviolet and visible/near infrared channels. The described design technique ensures minimum transverse dimensions, equal scales of spectral images, and the possibility of installing a light filter between the last surface of the lens and the image plane. Main results. The developed multispectral optoelectronic system synchronously captures 15 spectral images in the range of 300–1000 nm with an equal step (50 nm) and width (10 nm) of spectral channels. The results of modeling and data for assessing the quality of images in the ultraviolet, visible and near infrared ranges, as well as in the broadband channel are presented. Testing of the designed lens system was carried out as a prototype of a multispectral video camera. After correcting the recorded spatial-spectral data of the plant sample and averaging over its area, the spectral reflectance was obtained, which coincides with the typical reflectance spectrum of plant leaves. Practical significance. The proposed multispectral optoelectronic system  provides high quality images in each spectral channel and their easy replacement with the most efficient ones for solving the problem of rapid collection of spatio-spectral data in precision agriculture, eco-monitoring, medicine and non-destructive testing.

Keywords:

multispectral camera, optoelectronic system, lens synthesis, ultraviolet range, near infrared range

Acknowledgements:
the work was carried out within the framework of the State Assignment of the Scientific and Technological Centre of Unique Instrumentation of the RAS (project FFNS-2022-0010)

OCIS codes: 110.4234, 110.0110, 120.4820

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