Bibliographic Details
| Title: |
Evaluation of the Terahertz Radiation Spectrum Using a Fresnel Zone Plate. |
| Authors: |
Khasiiatullov, N. A.1,2 (AUTHOR), Shipilo, D. E.1 (AUTHOR) schipilo.daniil@physics.msu.ru, Nikolaeva, I. A.1 (AUTHOR), Rizaev, G. E.1 (AUTHOR), Panov, N. A.1,3 (AUTHOR), Kosareva, O. G.1,3 (AUTHOR), Seleznev, L. V.1 (AUTHOR) |
| Source: |
JETP Letters. May2026, Vol. 123 Issue 10, p668-673. 6p. |
| Subjects: |
Terahertz technology, Fresnel diffraction, Signal processing, Spectrum analysis, Wave diffraction, Radiation measurements, Error analysis in mathematics, Submillimeter waves |
| Abstract: |
A method for reconstructing the spectrum of broadband terahertz radiation using a Fresnel zone plate, which serves for both focusing and spectrally selective diffraction, has been theoretically substantiated and experimentally tested. The measurement of the dependence of the signal on the detector on the position of the plate along the axis of the terahertz beam allows one to estimate the radiation spectrum. The errors of the developed method for measuring spectra have been analyzed, and methods for reducing them have been considered. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
