I-NaI(Tl) Scintillator, NaI(Tl) Crystal, NaI(Tl) Scintillation Crystal
Umumo kanye Nosayizi Ojwayelekile
Ekugcineni, i-cubic Shape, uhlangothi oluvulekile kahle, isilinda.I-Dia1”x1”, i-Dia2” x2, i-Dia3”x3”, i-Dia5”x5”, i-2”x4”x16”, i-4”x4”x16”, umtshina we-Anti-Compton.
Itholakala ngekristalu eyodwa, i-polycrystalline noma amakristalu omgunyathi embonini yokugawula uwoyela.
Inzuzo
● Izindleko eziphumelelayo
● Usayizi omkhulu uyatholakala
● Ukukhanya okuphezulu okukhiphayo/ukubona kahle
● Ikristalu eyodwa /i-polycrystal/forged iyatholakala
● Ubude begagasi bufaniswe kahle ne-PMT bufundwe
● I-NaI(Tl) ikristalu efojiwe yokugawula uwoyela
● MWD/LWD
Isicelo
● Imithi yenuzi
● Izilinganiso zemvelo
● I-Geophysics
● I-High-energy physics
● Ukutholwa kwemisebe
Izakhiwo
Ukuminyana (g/cm3) | 3.67 |
I-Melting Point (K) | 924 |
I-Thermal Expansion Coefficient (K-1) | 47.4 x 10-6 |
Ukuqina (Mho) | 2 |
I-Hygroscopic | Yebo |
I-Wavelength Emission Maximum (nm) | 420 |
I-Refractive Index at Emission Maximum | 1.85 |
Isikhathi Sokubola Okuyisisekelo | 250 |
I-Temperature Coefficient of Light Yield | 0.3% K-¹ |
I-Light Yield (photons/keV) | 38 |
Incazelo Yomkhiqizo
I-NaI(Tl) imele i-sodium iodide ehlanganiswe ne-thallium.Kuyimpahla ye-scintillation esetshenziselwa ukubona imisebe, ikakhulukazi imisebe ye-gamma.Lapho imisebe ye-gamma ishaya ikristalu ye-NaI(Tl), ibangela ama-athomu e-Tl ukuthi akhiphe ukukhanya, okutholwa yi-photocathode futhi kuguqulelwe kusignali kagesi.I-NaI(Tl) ivamise ukusetshenziswa ku-gamma spectroscopy, imaging yezokwelapha, nokuqapha indawo ezungezile.
I-polycrystalline scintillator iyi-scintillator eyakhiwe izinhlamvu zekristalu ezincane eziningi esikhundleni sekristalu eyodwa enkulu njenge-crystal scintillator eyodwa.Lezi zinhlayiya ezincane zivame ukukhuliswa ndawonye ngenqubo ebizwa ngokuthi i-solid-state sintering, lapho izinhlayiya ngazinye zihlangana zodwa futhi zishiselwe ezingeni lokushisa eliphezulu zize zihlangane ndawonye.Lokhu kuhlukile kunqubo yokukhula kwekristalu eyodwa esetshenziselwa ama-crystal scintillator eyodwa.Ama-polycrystalline scintillator anezinzuzo ezimbalwa ngaphezu kwama-crystal scintillator, njengezindleko eziphansi zokukhiqiza kanye nokuzinza okuthuthukisiwe kwemishini nokushisayo.Kodwa-ke, bangase babe nokulungiswa kwamandla okuphansi kanye nokukhishwa kokukhanya okuphansi uma kuqhathaniswa nama-crystal scintillator eyodwa.
Ukulungiswa Kwezamandla
6.8%, Cs137@ 662Kev
I-scintillator eyakhiwe yokushisa okuphezulu kwe-175 degree, imboni yokugawula imithi
Ukushisa okuphezulu+ I-Welding encapsulation.
2L
4L
I-SDdetector