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Evaluation of the Terahertz Radiation Spectrum Using a Fresnel Zone Plate.

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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]
Copyright of JETP Letters is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 194969683
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: 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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  Data: <i>Copyright of JETP Letters is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1134/S0021364026601107
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        Text: English
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        PageCount: 6
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      – SubjectFull: Terahertz technology
        Type: general
      – SubjectFull: Fresnel diffraction
        Type: general
      – SubjectFull: Signal processing
        Type: general
      – SubjectFull: Spectrum analysis
        Type: general
      – SubjectFull: Wave diffraction
        Type: general
      – SubjectFull: Radiation measurements
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      – SubjectFull: Error analysis in mathematics
        Type: general
      – SubjectFull: Submillimeter waves
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      – TitleFull: Evaluation of the Terahertz Radiation Spectrum Using a Fresnel Zone Plate.
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              Text: May2026
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