광검출기 전문 비바테크
Scintillator (섬광체)
- NaI(Tl), CsI(Tl), BGO, LYSO, Plastic 등을 포함한 각종 Scintillator 및 Scintillator detector를 고객이 원하는 스펙으로 제공합니다.
- Scintillator detector는 Scintillator + PMT + 전압분배회로 + HV회로 + 전치증폭기를 알루미늄 하우징에 내장한 제품으로 직경 1", 2", 3" 제품을 기본으로 합니다.
NaI(Tl) Scintillator
Thallium doped sodium iodide, NaI (TI) is a kind of scintillation crystal with high luminescence efficiency after absorptions of high energy particles, the main emission wavelength was at 415nm, which was well matched with the photomultiplier tubes(PMT), it has mainly been used in airborne survey, well logging and many other relevant fields.
Density : 3.67 g/cm3
Hardness : 2.1 Moh
Cleavage : 100
Melting point : 924 k
Emission peak : 415 nm
Refractive Index : 1.85
Light output : 45,000 Photons/Mev
Hygroscopic : Yes
Expansion coefficient(/K) 47.4*10-6
Decay constant : 264 ns
