Simulation Model of Transmitted X-Rays in Polycapillary Optics for TES Microcalorimeter EDS System on Scanning Transmission Electron Microscope

Akira Takano, Keisuke Maehata, Naoko Iyomoto, Toru Hara, Kazuhisa Mitsuda, Noriko Yamasaki, Keiichi Tanaka

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We created a simple simulation model of transmitted X-rays in polycapillary optics for improved understanding of the transmission characteristics and to aid in the design of the geometrical parameters of the polycapillary optics. New polycapillary optics for a 64-pixel array transition-edge sensor (TES) microcalorimeter energy-dispersive spectrometer system that was installed in a scanning transmission electron microscope (STEM) were developed using the simulation model. The characteristic X-rays that are emitted from the STEM specimen were transmitted and focused on the pixel array TES microcalorimeter by the polycapillary optics. The experimental X-ray transmission characteristics of the manufactured polycapillary optics agreed with the simulated results.

Original languageEnglish
Article number8239699
Pages (from-to)758-765
Number of pages8
JournalIEEE Transactions on Nuclear Science
Volume65
Issue number2
DOIs
Publication statusPublished - Feb 2018

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering

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