GAGG: Ce Scintillator, GAGG Crystal, GAGG Scintillation Crystal
Amfani
● Kyakkyawan ƙarfin tsayawa
● Babban haske
● Ƙarƙashin haske
● Saurin lalata lokaci
Aikace-aikace
● Kamara na Gamma
● PET, PEM, SPECT, CT
● X-ray & Gamma ray na Gamma
● Babban binciken kwantena makamashi
Kayayyaki
Nau'in | GAGG-HL | GAGG Balance | GAGG-FD |
Tsarin Crystal | Cubic | Cubic | Cubic |
Yawan yawa (g/cm3) | 6.6 | 6.6 | 6.6 |
Haihuwar Haske (hotuna/kev) | 60 | 50 | 30 |
Lokacin Lalacewa (ns) | ≤150 | ≤90 | ≤48 |
Tsawon Tsayin Tsakiya (nm) | 530 | 530 | 530 |
Wurin narkewa (℃) | 2105 ℃ | 2105 ℃ | 2105 ℃ |
Atomic Coefficient | 54 | 54 | 54 |
Ƙimar Makamashi | 5% | 6% | 7% |
Radiation kai | No | No | No |
Hygroscopic | No | No | No |
Bayanin Samfura
GAGG: Ce (Gd3Al2Ga3O12) gadolinium aluminum gallium garnet doped tare da cerium.Sabon scintillator ne don ƙididdige ƙididdiga na photon guda ɗaya (SPECT), gamma-ray da gano electron na Compton.Cerium doped GAGG:Ce yana da kaddarori da yawa waɗanda suka sa ya dace da aikace-aikacen hoto na gamma.Babban yawan amfanin gona na photon da kololuwar hayaki a kusa da nm 530 ya sa kayan ya dace sosai don karantawa ta Silicon Photo-multiplier detectors.Epic crystal ɓullo da 3 irin GAGG: Ce crystal, tare da sauri lalata lokaci (GAGG-FD) crystal, hankula (GAGG-Balance) crystal, mafi girma haske fitarwa (GAGG-HL) crystal, ga abokin ciniki a daban-daban filin.GAGG: Ce ne mai matukar alamar scintillator a cikin babban filin masana'antu na makamashi, lokacin da aka kwatanta shi akan gwajin rayuwa a ƙarƙashin 115kv, 3mA da kuma tushen radiation wanda yake a nesa na 150 mm daga crystal, bayan sa'o'i 20 wasan kwaikwayon ya kusan daidai da sabo. daya.Yana nufin yana da kyakkyawan fata don tsayayya da babban kashi a ƙarƙashin radiyon X-ray, ba shakka ya dogara da yanayin hasken wuta kuma idan ya ci gaba tare da GAGG don NDT ƙarin gwajin gwaji ya buƙaci a gudanar.Bayan GAGG guda ɗaya: Ce crystal, muna iya ƙirƙira shi zuwa layin layi da tsararru mai girma 2, ana iya samun girman pixel da mai raba bisa ga buƙatu.Mun kuma ɓullo da fasaha don yumbu GAGG:Ce, yana da mafi kyawun daidaita lokacin daidaitawa (CRT), saurin lalacewa da fitowar haske mafi girma.
Ƙimar makamashi: GAGG Dia2"x2", 8.2% Cs137@662Kev
Ayyukan bayan haske
Ayyukan fitowar haske
Ƙaddamar lokaci: Gagg Fast Lallacewar Lokaci
(a) Ƙaddamar lokaci: CRT = 193ps (FWHM, taga makamashi: [440keV 550keV])
(a) Ƙaddamar lokaci Vs.irin ƙarfin lantarki: (tagar makamashi: [440keV 550keV])
Lura cewa kololuwar fitar GAGG shine 520nm yayin da na'urori masu auna firikwensin SiPM an tsara su don lu'ulu'u tare da fitar da kololuwar 420nm.PDE na 520nm yana da 30% ƙasa idan aka kwatanta da PDE don 420nm.Ana iya inganta CRT na GAGG daga 193ps (FWHM) zuwa 161.5ps (FWHM) idan PDE na firikwensin SiPM na 520nm zai dace da PDE don 420nm.