In Vivo, Fiberoptic-Coupled Radiation Dose Verification System for Prostate Radiotherapy
Abstract
A fiberoptic-coupled radiation dose verification system for prostate radiotherapy has been built and tested under clinical conditions using solid water phantoms. The dimensions of the radiation sensitive portion of the fiberoptic probe are 1-mm by 0.4-mm in diameter, providing unsurpassed spatial resolution for radiotherapy applications. The flexible fiberoptic probe is compatible with use in a medical catheter to provide in vivo monitoring capabilities. The use of fiberoptic bundles to replace discrete optical elements has resulted in a cost-savings of several thousands of dollars while increasing the reliability of the system. The system has very good sensitivity for all doses and dose - rates encountered in typical external beam radiotherapy procedures. The system exhibits exceptional linearity and has a reproducibility of better than 2% over a wide range of accumulated doses.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1999
- Accession Number
- ADA385826
Entities
People
- Brian Justus
Organizations
- United States Naval Research Laboratory