[Solar elements in the control of photon irradiation parameters in radiotherapy].

A study was made of the dosimetric characteristics of semiconductor detectors (on the basis of silicon with the p-i-n structure) and combined detectors (scintillation crystals based on CsJ/Tl combined with silicon detectors). The spectral characteristics of semiconductor and combined detectors are described. The results of levelling of hardness dependence by filtration and combination of detectors are presented; their isotropism is reviewed.

[Device for controlling the radiation parameters of therapeutic sources].

The unit is capable of providing the information on the man parameters of the radioactive sources, thus improving the reliability and accuracy when planning the treatment in radiotherapy.