Crystal Scintillation
(Ihe osise dị n'okpuru ala laser)
Ihe nchọpụta dabere na scintillation, iji pixelated inorganic crystal scintilators, bụA na-eji ọtụtụ ebe maka nchọpụta urughuru na radieshon, gụnyere napositron emission tomography (PET) nyocha.
Site n'ịgbakwunye atụmatụ na-eduzi ọkụ na kristal, mkpebi oghere nke ihe nchọtaenwere ike imeziwanye ya na milimita, na-eme ka mkpebi zuru oke nke tomograph.
Otú ọ dị, usoro omenala nkepikselụ n'ụzọ anụ ahụkristal bụ ausoro siri ike, dị oke ọnụ na nke siri ike. Na mgbakwunye, obere mkpọkọ na uche nke ihe nchọtaenwere ike imebin'ihi naa na-eji ihe na-atụgharị anya na-adịghị scintillating.
Ị nwere ike ịlele akwụkwọ nyocha izizi Ebe a. (Site na ResearchGate)
Ihe osise laser dị n'okpuru ala makaCrystal Scintillation
Ụzọ ọzọ bụ ijiUsoro ihe osise laser subsurface (SSLE).maka kristal scintillator.
Site n'itinye laser n'ime kristal, ọkụ na-emepụtanwere ike ịmepụta usoro nchịkwa nke microcracksnamee ka ihe owuwu na-egosipụta, na-emepụta nke ọmapikselụ na-eduzi ọkụna-enweghị mkpa nke anụ ahụ.
1. Enweghị pikselụ anụ ahụ nke kristal achọrọ,ibelata mgbagwoju anya na ọnụ ahịa.
2. Njirimara anya na geometry nke ihe owuwu na-egosipụta nwere ike ịbụna-achịkwa nke ọma, na-enye ohere ịmepụta ụdị pixel omenala na nha.
3. Readout na detector architectureka dị ka nke ọkọlọtọ pixelated arrays.
Usoro ihe osise Laser (SSLE) maka kristal Scintillator
Usoro ihe osise SSLE gụnyereusoro ndị a:
1. Nhazi:
Simulation na imewe nkepixel architecture chọrọ, gụnyereakụkụnangwa anya àgwà.
2. Ụdị CAD:
Ihe okike nke azuru ezu CAD nlereanyankesa nke microcrack,dabere na nsonaazụ ịme anwansịnankọwa nkọwa laser.
3. Malite ihe osise:
Ihe osise LYSO kristal n'ezie site na iji sistemụ laser,ihe nlereanya CAD na-eduzi.
Usoro mmepe SSLE: (A) Model Simulation, (B) Model CAD, (C) Kanyere LYSO, (D) Eserese Iju Mmiri
4. Ntụle nsonaazụ:
Nyochaa arụmọrụ kristal a kanyere na-eji aonyonyo ubi ide mmirinaGaussian dabara adabaiji nyochaa ogo pixel na mkpebi oghere.
Akọwara ihe osise laser dị n'okpuru ala n'ime nkeji abụọ
NkeUsoro ihe osise nke subsurface lasermaka kristal scintillator na-enye aụzọ mgbanwena pixelation nke ihe ndị a.
Site n'inye njikwa ziri ezi na njirimara anya na geometry nke ihe owuwu na-egosipụta, usoro ana-enyere aka mmepe nke ihe nchọpụta ihe ọhụrụya nankwalite ohere ohere na arụmọrụ, niilena-enweghịmkpa maka pikselụ anụ ahụ dị mgbagwoju anya ma dị oke ọnụ.
Chọrọ ịmatakwu maka:
N'okpuru ala Laser osise Scintillation Crystal?
Nchọpụta maka SSLE Scintillation Crystal
1. Mmụba Ìhè ka mma
N'aka ekpe: Nlebanya DoI nhụsianya dị n'elu a kanyere.
Aka nri: Ntugharị Pixel DoI.
Ntụnyere nke pulses n'etitin'usoro ihe osise laser dị n'okpuru ala (SSLE).naomenala arraysgosi amkpụrụ ọkụ kacha mma maka SSLE.
Nke a nwere ike ịbụ n'ihi naenweghị ihe ngosi plastikn'etiti pikselụ, nke nwere ike bute ndakọrịta anya na mfu foton.
Mkpụrụ ọkụ emelitere pụtaraọzọ ìhè maka otu ume usu, na-eme ka SSLE bụrụ àgwà a na-achọsi ike.
2. Mmelite omume oge
Foto nke Scintillation Crystal
Ogologo kristal nwere ammetụta ọjọọ na oge, nke dị mkpa maka ngwa Positron Emission Tomography (PET).
Otú ọ dị, ndịmmetụta dị elu nke kristal SSLEna-enye ohere maka ojiji nkekristal dị mkpụmkpụ, nke nwere ikemelite omume oge nke usoro.
Ihe ngosi egosiwokwa na ụdị pikselụ dị iche iche, dị ka hexagonal ma ọ bụ dodecagon, nwere ikena-eduga ka mma-nduzi ọkụ na ịrụ ọrụ oge, yiri ụkpụrụ nke ngwa anya eriri.
3. Uru bara uru
Foto nke Scintillator Crystal
Tụnyere ihe mgbochi monolithic, ọnụahịa nke kristal SSLEnwere ike ịdị ala dị kaotu n'ime atọnke ọnụ ahịanke n'usoro pixelated kwekọrọ, dabere na akụkụ pikselụ.
Ọzọkwa, ndịmmetụta dị elu nke kristal SSLEna-enye ohereojiji nke kristal dị mkpụmkpụ, na-ebelata ọnụ ahịa n'ozuzu ya.
Usoro SSLE chọrọ ike laser dị ala ma e jiri ya tụnyere ịcha laser, na-enye ohereSistemụ SSLE dị ọnụ alatụnyere laser agbaze ma ọ bụ ịcha ụlọ ọrụ.
Nkentinye ego mbụ na akụrụngwa na ọzụzụn'ihi na SSLE bụkwa nke ukwuu alakarịa ọnụ ahịa nke ịmepụta ihe nchọpụta PET.
4. Ime mgbanwe na nhazi nhazi
Usoro ihe osise SSLE kristal bụadịghị ewe oge, na ihe dị kaNkeji 15dị mkpa ka a kanye 12.8x12.8x12 mm, 3-crystal array.
Nkeọdịdị na-agbanwe agbanwe, ọnụ ahịa-irè, namfe nke nkwadebe nke SSLE kristal, tinyere haIberibe nkwakọ ngwaahịa dị elu, kwụọ ụgwọ makaMkpebi oghere dịtụ alatụnyere ọkọlọtọ pixelated arrays.
Pixel Geometries na-abụghị omenala
SSLE na-enye ohere maka nyocha nkegeometric pikselụ na-abụghị omenala, na-eme ka pikselụ scintillating bụrụdabara nke ọma na ihe achọrọ nke ngwa ọ bụla, dị ka collimators ma ọ bụ akụkụ nke silicon photomultiplier pikselụ.
Ịkekọrịta ọkụ na-achịkwa
Enwere ike nweta nkesa ọkụ a na-achịkwa site na iji nhazi nke ọma nke njirimara anya nke ihe ndị a kanyere,na-enyere aka n'ihu miniaturization nke gamma detectors.
Atụmatụ pụrụ iche
Atụmatụ pụrụ iche, dị ka Voronoi tessellations, nwere ike ịbụdị mfe kanyere n'ime monolithic kristal. Ọzọkwa, nkesa nha pikselụ na-enweghị usoro nwere ike ime ka iwebata usoro nghọta abịakọrọ, na-eji ohere nke ikesa ọkụ dị ukwuu.
Igwe maka ihe osise laser dị n'okpuru ala
Obi nke Subsurface Laser e kere eke dị na igwe ihe osise laser. Igwe ndị a na-ejilaser akwụkwọ ndụ akwụkwọ ndụ dị elu, kpọmkwem ahaziri makaihe osise laser dị n'okpuru ala na kristal.
NkeOtu & Naanị NgwọtaỊ ga-achọ mgbe ọ bụla maka ihe osise Laser Subsurface.
Na-akwado6 Nhazi dị iche iche
Site naObere ihe omume ntụrụndụ to Nnukwu Mmepụta
Izizi ebe ugboro ugboro at <10μm
Ịwa ahụ nkenkemaka 3D Laser Carving
Igwe ihe osise 3D Crystal Laser(SSLE)
Maka ihe osise laser dị n'okpuru ala,nkenke dị oke mkpamaka ịmepụta ihe osise zuru ezu na mgbagwoju anya. Ntugharị lekwasịrị anya nke laserna-emekọrịta ihe nke ọmana nhazi ime kristal;na-eke ihe oyiyi 3D.
Enwere ike ibugharị, ziri ezi na nke dị elu
Ahụ Laser kọmpatmaka SSLE
Ihe nnwapụta-ụja&Nchekwa maka ndị mbido
Ọsọ kristal osiseruo 3600 isi / sekọnd
Akwa ndakọrịtana imewe