Spectral Characteristics of Polarization Radiation in the Water Window Range
| Parent link: | International Journal of Molecular Sciences.— .— Basel: MDPI AG Vol. 25, iss. 8.— 2024.— Article number 4246, 17 p. |
|---|---|
| Autres auteurs: | , , , , |
| Résumé: | Title screen The high-intensity and monochromatic radiation sources in the water window spectral range are desirable for many applications. One of the potential candidates of soft X-ray sources is polarization radiation produced by a charged particle passing through a thin foil. In the soft X-ray range near the absorption edges of a target material, the real part of dielectric permittivity can exceed unity, and the Tamm–Frank criterion is fulfilled. Thus, two types of radiation are produced: transition and Cherenkov radiation. In this report, we theoretically investigated the spectral characteristics of radiation produced in both cases when the Tamm–Frank criterion is met or not met. We showed the dependences of the spectrum as a function of thickness and the incidence angle. To describe the properties of polarization radiation and the complex dielectric permittivity, the polarization current approach and Henke’s model were used, respectively. Текстовый файл |
| Langue: | anglais |
| Publié: |
2024
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| Sujets: | |
| Accès en ligne: | http://earchive.tpu.ru/handle/11683/132470 https://doi.org/10.3390/qubs8010006 |
| Format: | Électronique Chapitre de livre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=672871 |
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| 200 | 1 | |a Spectral Characteristics of Polarization Radiation in the Water Window Range |f M. V. Shevelev, A. S. Konkov, S. R. Uglov [et al.] | |
| 203 | |a Текст |b визуальный |c электронный | ||
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| 300 | |a Title screen | ||
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| 330 | |a The high-intensity and monochromatic radiation sources in the water window spectral range are desirable for many applications. One of the potential candidates of soft X-ray sources is polarization radiation produced by a charged particle passing through a thin foil. In the soft X-ray range near the absorption edges of a target material, the real part of dielectric permittivity can exceed unity, and the Tamm–Frank criterion is fulfilled. Thus, two types of radiation are produced: transition and Cherenkov radiation. In this report, we theoretically investigated the spectral characteristics of radiation produced in both cases when the Tamm–Frank criterion is met or not met. We showed the dependences of the spectrum as a function of thickness and the incidence angle. To describe the properties of polarization radiation and the complex dielectric permittivity, the polarization current approach and Henke’s model were used, respectively. | ||
| 336 | |a Текстовый файл | ||
| 461 | 1 | |t International Journal of Molecular Sciences |n MDPI AG |c Basel | |
| 463 | 1 | |t Vol. 25, iss. 8 |v Article number 4246, 17 p. |d 2024 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a transition radiation | |
| 610 | 1 | |a Cherenkov effect | |
| 610 | 1 | |a the water window spectral range | |
| 701 | 1 | |a Shevelev |b M. V. |c physicist |c research engineer of Tomsk Polytechnic University |f 1985- |g Mihail Viktorovich |9 15690 | |
| 701 | 1 | |a Konkov |b A. S. |g Anatoly Sergeevich | |
| 701 | 1 | |a Uglov |b S. R. |c physicist |c Leading Researcher of Tomsk Polytechnic University, Candidate of Physical and Mathematical Sciences |f 1958- |g Sergey Romanovich |9 15694 | |
| 701 | 1 | |a Alekseev |b B. A. |c Physicist |c Engineer of Tomsk Polytechnic University |f 1991- |g Boris Alexandrovich |9 21805 | |
| 701 | 1 | |a Cherepennikov |b Yu. M. |c physicist |c Associate Professor of Tomsk Polytechnic University, Candidate of Sciences |f 1989- |g Yuriy Mihaylovich |9 15721 | |
| 712 | 0 | 2 | |a National Research Tomsk Polytechnic University |c (2009- ) |9 27197 |
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