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Related Experiment Video

Updated: Dec 22, 2025

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Microscope cover-slip glass for TLD applications.

Amal Alqahtani1, S F Abdul Sani2, N H Amiera Narissa2

  • 1Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdom; College of Medicine, University of Imam Abdulrahman Bin Faisal, Dammam, Saudi Arabia.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
|May 1, 2020
PubMed
Summary
This summary is machine-generated.

Low-cost borosilicate glass microscope cover-slips show potential for high-resolution radiotherapy dosimetry. These thin glass plates offer reproducible and linear thermoluminescence dosimetry responses for precise radiation dose measurements.

Keywords:
Borosilicate glassDosimetryRadiotherapyThermoluminescence

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Area of Science:

  • Medical Physics
  • Materials Science
  • Dosimetry

Background:

  • Thermoluminescence dosimetry (TLD) is crucial for radiation monitoring and dose sensing in radiotherapy.
  • Accurate dosimetry is essential for small-field evaluations, steep dose gradients, and high dose rates in modern radiotherapy techniques.

Purpose of the Study:

  • To investigate the thermoluminescent dosimetric properties of commercial borosilicate glass cover-slips.
  • To evaluate their suitability for high spatial resolution dosimetry in radiotherapy.

Main Methods:

  • Irradiation of thin borosilicate glass cover-slips (sub-mm to 4 mm) using clinical external-beam radiotherapy and 60Co gamma irradiators.
  • Characterization of dosimetric response, including linearity and reproducibility, for megavoltage photons and MeV electrons.

Main Results:

  • Borosilicate cover-slips demonstrated reproducible dosimetry within +/-5%.
  • Linear response (coefficient of determination >0.99) was observed for doses up to 10 Gy for thinner cover-slips.
  • Potential for high spatial resolution dosimetry down to 0.13 mm was shown.

Conclusions:

  • Commercial borosilicate glass cover-slips are a promising, low-cost material for high-resolution radiotherapy dosimetry.
  • Their reproducible and linear response makes them suitable for precise dose measurements in challenging clinical scenarios.