GAGG: Ce Scintillator, GAGG Crystal, GAGG Scintillation Crystal
Anfani
● Agbara idaduro to dara
● Imọlẹ giga
● Kekere lẹhin ti gìrì
● Yara ibajẹ akoko
Ohun elo
● Kamẹra Gamma
● PET, PEM, SPECT, CT
● X-ray & Gamma ray erin
● Ayẹwo eiyan agbara giga
Awọn ohun-ini
| Iru | GAGG-HL | Iwontunws.funfun GAGG | GAGG-FD |
| Crystal System | Onigun | Onigun | Onigun |
| Ìwúwo (g/cm3) | 6.6 | 6.6 | 6.6 |
| Ikore Imọlẹ (awọn fọto/kev) | 60 | 50 | 30 |
| Àkókò ìbàjẹ́ | ≤150 | ≤90 | ≤48 |
| Gigun aarin (nm) | 530 | 530 | 530 |
| Ibi Iyọ (℃) | 2105 ℃ | 2105 ℃ | 2105 ℃ |
| Atomic olùsọdipúpọ | 54 | 54 | 54 |
| Agbara Ipinnu | 5% | 6% | 7% |
| Ara-Radiation | No | No | No |
| Hygroscopic | No | No | No |
ọja Apejuwe
GAGG: Ce (Gd3Al2Ga3O12) gadolinium aluminiomu gallium garnet doped pẹlu cerium.O jẹ scintillator tuntun fun itujade photon kan ti a ṣe iṣiro tomography (SPECT), gamma-ray ati wiwa elekitironi Compton.Cerium doped GAGG:Ce ni ọpọlọpọ awọn ohun-ini ti o jẹ ki o dara fun gamma spectroscopy ati awọn ohun elo aworan iṣoogun.Imujade photon ti o ga ati tente oke itujade ni ayika 530 nm jẹ ki ohun elo baamu daradara lati jẹ kika kika nipasẹ awọn aṣawari-multiplier Silicon Photo.Epic gara ni idagbasoke 3 iru GAGG: Ce gara, pẹlu yiyara akoko ibajẹ (GAGG-FD) gara, aṣoju (GAGG-Iwontunws.funfun) gara, ina ti o ga (GAGG-HL) gara, fun onibara ni orisirisi awọn aaye.GAGG:Ce jẹ scintillator ti o ni ileri pupọ ni aaye ile-iṣẹ agbara giga, nigbati o ṣe afihan lori idanwo igbesi aye labẹ 115kv, 3mA ati orisun itankalẹ ti o wa ni ijinna 150 mm lati gara, lẹhin awọn wakati 20 iṣẹ naa fẹrẹ jẹ kanna bi tuntun. ọkan.O tumọ si pe o ni ifojusọna ti o dara lati koju iwọn lilo giga labẹ itanna X-ray, dajudaju o da lori awọn ipo itanna ati ni ọran ti lilọ siwaju pẹlu GAGG fun NDT siwaju sii idanwo gangan nilo lati ṣe.Lẹgbẹẹ GAGG kan ṣoṣo:Ce gara, a ni anfani lati ṣe iṣelọpọ rẹ si laini laini ati titobi onisẹpo 2, iwọn ẹbun ati iyapa le jẹ aṣeyọri ti o da lori ibeere.A tun ti ni idagbasoke imọ-ẹrọ fun GAGG ceramiki: Ce, o ni akoko ipinnu lasan ti o dara julọ (CRT), akoko ibajẹ yiyara ati iṣelọpọ ina ti o ga julọ.
Ipinnu agbara: GAGG Dia2"x2", 8.2% Cs137@662Kev
Afterglow iṣẹ
Light o wu iṣẹ
Ipinnu akoko: Gagg Yara Ibajẹ Akoko
(a) Ipinnu akoko: CRT=193ps (FWHM, ferese agbara: [440keV 550keV])
(a) Ipinnu akoko Vs.foliteji abosi: (window agbara: [440keV 550keV])
Jọwọ ṣe akiyesi pe itujade tente oke ti GAGG jẹ 520nm lakoko ti awọn sensọ SiPM jẹ apẹrẹ fun awọn kirisita pẹlu itujade tente oke 420nm.PDE fun 520nm jẹ 30% kekere ni akawe pẹlu PDE fun 420nm.CRT ti GAGG le ni ilọsiwaju lati 193ps (FWHM) si 161.5ps (FWHM) ti PDE ti awọn sensọ SiPM fun 520nm yoo baamu pẹlu PDE fun 420nm.
