The development of a novel technique to evaluate theCR-39 track response to alpha particles

A novel technique is presented for the assessment of the track response of the detector CR-39 to alpha particles by photothermal deection spectroscopy and image analysis. The 2 new techniques can be implemented to CR-39 as in situ measurements. The proposed techniques oer the possibility of monitoring nuclear radiation directly. Photothermal deection is described to detect the change in the thermal and optical properties of the track nuclear detector CR-39 when irradiated to alpha particles. In situ image analysis of the photothermal deection spot is presented to assess the detection of the CR-39 of any nuclear particle or radiation instantaneously.