Calibration method for a spectral analytical instrument
https://doi.org/10.17586/0021-3454-2026-69-1-49-59
Abstract
The process of calibration of a spectroscopic analytical instrument (SAI) designed to analyze the spectral composition of optical radiation from remote objects is considered. The aim of the study is to develop a SAI calibration method that eliminates the need to account for atmospheric transmission effects. The proposed approach is based on the use of narrow-spectrum radiators acting on the test SAI directly in the plane of its entrance porthole. To present the method, the concept of a two-dimensional spectral characteristic of SAI sensitivity is introduced, and the expression for the spectral sensitivity of SAI is derived using the SAI apparatus function. The presented theoretical calculations and conclusions are confirmed by experimental results. The use of the developed method eliminates the need to take into account the spectral transmission of the working air path (atmosphere) and expands the scope of its application for remote sensing equipment, medicine, agricultural technologies and environmental monitoring.
About the Authors
A. V. IlinskyRussian Federation
Alexander V. Ilinsky — Scientific and Educational Center, „ITMO University History Museum“; Deputy Director of the Center
St. Petersburg
N. K. Maltseva
Russian Federation
Nadezhda K. Maltseva — PhD; Scientific and Educational Center, „ITMO University History Museum“; Deputy Director of the Center
St. Petersburg
E. O. Raskin
Russian Federation
Eugeny O. Raskin — Department of Youth Policy; Head of the Department
St. Petersburg
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Review
For citations:
Ilinsky A.V., Maltseva N.K., Raskin E.O. Calibration method for a spectral analytical instrument. Journal of Instrument Engineering. 2026;69(1):49-59. (In Russ.) https://doi.org/10.17586/0021-3454-2026-69-1-49-59
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