A prototype of 32P applicator and components: (a) schematic diagram to show applicator’s inner components, (b) various components (isotope absorber, sealing, protector, etc.) part of grip, eye-contact surface, (c) the strip images of applicator, and (d) the grip handle with a 32P applicator.
Measurement setup for 32P ophthalmic applicator dosimetry: (a) extrapolation chamber dosimetry with guide system and (b) radiochromic film dosimetry with solid water.
Schematic (cross-sectional) view of 32P ophthalmic applicator for MCNP simulations.
Extrapolation chamber current vs air-gap thickness between two chamber electrodes for various SDDs.
Measured (RCF) and calculated (MC) depth dose distributions for the 32P applicator.
Measured (RCF) isodose curves (cGy) for the 32P applicator at depths of (a) 0.1 mm (surface), (b) 1.1 mm, and (c) 2.4 mm.
Transaxial dose profiles of the 32P applicator for RCF (X- and Y- axes) and MCNP at depths of (a) 0.1 mm (surface), (b) 1.1 mm, and (c) 2.4 mm.
Three geometries of solid water slabs to measure relative depth doses.
Measured currents and the reference dose rates corrected by the detector efficiencies for various SDDs (calculated by MCNP simulations).
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