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Comparison of photon transport efficiency in simple scintillation electron detector configurations for scanning electron microscope

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081731%3A_____%2F22%3A00552072" target="_blank" >RIV/68081731:_____/22:00552072 - isvavai.cz</a>

  • Result on the web

    <a href="https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/10.1002/jemt.24048" target="_blank" >https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/10.1002/jemt.24048</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/jemt.24048" target="_blank" >10.1002/jemt.24048</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Comparison of photon transport efficiency in simple scintillation electron detector configurations for scanning electron microscope

  • Original language description

    The purpose of this paper is to find some general rules for the design of robust scintillation electron detectors for a scanning electron microscope (SEM) that possesses an efficient light-guiding (LG) system. The paper offers some general instructions on how to avoid the improper design of highly inefficient LG configurations of the detectors. Attention was paid to the relevant optical properties of the scintillator, light guide, and other components used in the LG part of the scintillation detector. Utilizing the optical properties of the detector components, 3D Monte Carlo (MC) simulations of photon transport efficiency in the simple scintillation detector configurations were performed using the computer application called SCIUNI to assess shapes and dimensions of the LG part of the detector. The results of the simulation of both base-guided signal (BGS) configurations for SE detection and edge-guided signal (EGS) configurations for BSE detection are presented. It is demonstrated that the BGS configuration with a matted disc scintillator exit side connected to the cylindrical light guide without optical cement is almost always a sufficiently efficient system with a mean LG efficiency of about 20%. It is simulated that poorly designed EGS strip configurations have an extremely low mean LG efficiency of only 0.01%, which can significantly reduce detector performance. On the other hand, no simple nonoptimized EGS configuration with a light guide widening to a circular or square profile, with a polished cemented scintillator and with an indispensable hole in it has a mean LG efficiency lower than 6.5%.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20201 - Electrical and electronic engineering

Result continuities

  • Project

    <a href="/en/project/TN01000008" target="_blank" >TN01000008: Center of electron and photonic optics</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Microscopy Research and Technique

  • ISSN

    1059-910X

  • e-ISSN

    1097-0029

  • Volume of the periodical

    85

  • Issue of the periodical within the volume

    5

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    14

  • Pages from-to

    1870-1883

  • UT code for WoS article

    000738349000001

  • EID of the result in the Scopus database

    2-s2.0-85122267363