Title page for ETD etd-1113102-193925


Type of Document Master's Thesis
Author Huang, Kai
URN etd-1113102-193925
Title Characterization of an in Vivo Diode Dosimetry System for Clinical Use
Degree Master of Science (M.S.)
Department Physics and Astronomy
Advisory Committee
Advisor Name Title
Oscar Hidalgo-Salvatierra Committee Chair
Erno Sajo Committee Member
Mark L. Williams Committee Member
Sheldon Johnson Committee Member
William S. Bice Committee Member
Keywords
  • in vivo dosimetry
  • radiotherapy
  • diode
Date of Defense 2002-11-11
Availability unrestricted
Abstract
An in vivo dosimetry system that uses p-type semiconductor diodes with buildup caps was characterized for clinical use. The dose per pulse dependence was investigated. This was done by altering the SSD, field size and wedge for photons, and by altering SSD and cone size for electrons. The off-axis correction and effect of changing repetition rate were also investigated. A model was made to fit the measured diode correction factors.
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