Spectral structure of a polycapillary lens shaped X-ray beam

A. S. Gogolev, N. A. Filatov, S. R. Uglov, D. Hampai, S. B. Dabagov

Результат исследований: Материалы для журналаСтатьярецензирование

1 Цитирования (Scopus)

Аннотация

Polycapillary X-ray optics is widely used in X-ray analysis techniques to create a small secondary source, for instance, or to deliver X-rays to the point of interest with minimum intensity losses [1]. The main characteristics of the analytical devices on its base are the size and divergence of the focused or translated beam. In this work, we used the photon-counting pixel detector ModuPIX to study the parameters for polycapillary focused X-ray tube radiation as well as the energy and spatial dependences of radiation at the focus. We have characterized the high-speed spectral camera ModuPIX, which is a single Timepix device with a fast parallel readout allowing up to 850 frames per second with 256 × 256 pixels and a 55 μm pitch defined by the frame frequency. By means of the silicon monochromator the energy response function is measured in clustering mode by the energy scan over total X-ray tube spectrum.

Язык оригиналаАнглийский
Номер статьиC04020
ЖурналJournal of Instrumentation
Том13
Номер выпуска4
DOI
СостояниеОпубликовано - 13 апр 2018

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation

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