Abstract
Recently, the Bubble Technology Industries has developed a new type of γ-bubble detector for measurement of γ doses and have made it commercially available. A series of experiments were carried out at the Electrotechnical Laboratory (ETL) and Centre for Nuclear Studies (CNS) to determine the sensitivity of the detector, effect of temperature and recompression time on the sensitivity and to find out whether such detectors can be used for the measurement of the γ-rays that are always associated with neutron fields. The sensitivity of the detector is found to be about 15 bubbles/μSv at 21.8°C. The response of the detector is strongly dependent upon the temperature during irradiation. In the light of our results, this detector needs many improvements before it can be used for accurate measurements of γ doses in routine dosimetry.
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