Affiliation: University of California
- Practical quantitative measurement of graticule misalignment relative to collimator axis of rotationTarek Halabi
Department of Radiation Oncology, University of California San Francisco, San Francisco, CA 94143 1708, USA
J Appl Clin Med Phys 11:3318. 2010..2 mm (at isocenter) and do not assume alignment of radiation focal spot with collimator axis of rotation. When provided with these quantitative results, the manufacturer can custom-adjust graticules to the purchaser's collimator head...