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Gamma-Free Smoke and Particle Detector Using Tritiated Foils
2007
IEEE Sensors Journal
Preserved Fulltext
A smoke and particle ionization detector using tritiated amorphous silicon film as the radiation source is demonstrated. The ion chamber design includes both bipolar and unipolar regions, thereby enhancing the particle detection responsivity. The results show that this gamma-free detector is severalfold to fortyfold more responsive than traditional ionization detectors using Am-241. In addition, this ion chamber can function as a dual detector having both photoelectric and ionization detector responsivities.
doi:10.1109/jsen.2007.895971
fatcat:6m5ri7h3qbabfjxrvrlmtm4i34