Kristal Scintillation
(Ịkpụcha Laser Sub Surface)
Ihe nchọpụta dabere na Scintillation, site na iji ihe ndị na-eme ka kristal inorganic dị na pixelated,a na-ejikarị eme ihe maka nchọpụta ihe na radieshon, gụnyere naihe nyocha positron emission tomography (PET).
Site n'itinye atụmatụ nduzi ìhè na kristal ahụ, mkpebi oghere nke ihe nchọpụta ahụenwere ike imeziwanye ya ruo na milimita, na-eme ka mkpebi zuru oke nke tomograph dịkwuo mma.
Agbanyeghị, usoro ọdịnala nkepixelịpụta ahụkristal ahụ bụ otuusoro dị mgbagwoju anya, dị oke ọnụ, na nke siri ikeỌzọkwa, akụkụ nkwakọ ngwaahịa na mmetụta nke ihe nchọpụta ahụenwere ike imebi yan'ihi naihe ndị na-anaghị egbukepụ egbukepụ e ji mee ihe.
I nwere ike ilele akwụkwọ nyocha mbụ ebe a. (Site na ResearchGate)
Ịkpụcha Laser n'okpuru ala makaKristal Scintillation
Ụzọ ọzọ bụ ijiusoro ịkpụcha laser n'okpuru ala (SSLE)maka kristal scintillator.
Site n'ilekwasị anya na laser n'ime kristal ahụ, okpomọkụ a na-emepụtanwere ike ịmepụta usoro a na-achịkwa nke microcracksnke ahụna-arụ ọrụ dị ka ihe owuwu na-egosipụta echiche, na-emepụta nke ọmapikselụ na-eduzi ìhèna-enweghị mkpa maka nkewa anụ ahụ.
1. Achọghị ka kristal ahụ mepụta pikselụ nkịtị,ibelata mgbagwoju anya na ọnụ ahịa.
2. Enwere ike inwe njirimara anya na geometry nke ihe owuwu na-egosipụta ìhè.achịkwa nke ọma, na-eme ka imewe nke ụdị na nha pikselụ ahaziri ahazi.
3. Nhazi nke ihe na-agụ na ihe nchọpụtaka bụ otu ihe ahụ maka usoro pixel ndị a na-ahụkarị.
Usoro Ịkpụ Laser (SSLE) maka Scintillator Crystal
Usoro ịkpụ ihe SSLE gụnyereusoro ndị a:
1. Nhazi ahụ:
Nmepụta na nhazi nke ihe nlereanyausoro pixel achọrọ, gụnyereakụkụnanjirimara anya.
2. Ụdị CAD:
Mmepụta nke aụdị CAD zuru ezunkesa microcrack,dabere na nsonaazụ ihe nlereanya ahụnankọwapụta ihe osise laser.
3. Malite Ịkpụ ihe:
Ihe osise kristal LYSO n'ezie site na iji sistemụ laser,na-eduzi site na ụdị CAD.
Usoro Mmepe SSLE: (A) Ụdị Nlereanya, (B) Ụdị CAD, (C) LYSO a kpụrụ akpụ, (D) Foto Idei Mmiri nke Ubi
4. Nyocha Nsonaazụ:
Nyocha nke arụmọrụ kristal a kpụrụ akpụ site na ijionyonyo ubi idei mmirinaNhazi Gaussianiji chọpụta ịdị mma nke pikselụ na mkpebi oghere.
AKỤKỌ ỊKỤ LASER N'IME MMIRI 2
Iheusoro ịkpụcha laser dị n'okpuru alamaka kristal scintillator na-enye iheụzọ mgbanwena pixelation nke ihe ndị a.
Site n'inye njikwa ziri ezi na njirimara anya na geometry nke usoro ntụgharị uche, usoro ana-eme ka mmepe nke usoro ihe nchọpụta ọhụrụ dịnaemelitere mkpebi na arụmọrụ oghere, ihe niilena-enweghịmkpa maka pixelation anụ ahụ dị mgbagwoju anya ma dị oke ọnụ.
Ị chọrọ ịmatakwu gbasara:
Scintillation Crystal nke e ji laser rụọ n'okpuru ala?
Nchọpụta maka SSLE Scintillation Crystal
1. Mmepụta ọkụ ka mma
Aka ekpe: Nchịkọta DoI nke Mmetụta Elu Akpụpụtara Akpụpụtara Adịghị n'otu.
Aka nri: Ngbanwe Pixel.
Ntụnyere nke mkpali dị n'etitiusoro ihe osise laser dị n'okpuru ala (SSLE)nausoro ọdịnalana-egosimmụba ọkụ ka mma maka SSLE.
O yikarịrị ka nke a bụ n'ihi ọrịa ahụenweghị ihe ngosi plastikn'etiti pikselụ, nke nwere ike ibute enweghị nkwekọ anya na mfu foton.
Ụzọ kachasị mma isi nweta ìhèọkụ karịa maka otu ike ahụ, ime ka SSLE bụrụ ihe a na-achọsi ike.
2. Omume Oge Kachasị Mma
Foto nke kristal Scintillation
Ogologo kristal nweremmetụta ọjọọ na oge, nke dị oke mkpa maka ngwa Positron Emission Tomography (PET).
Agbanyeghị, nke a bụ eziokwummetụta dị elu nke kristal SSLEna-enye ohere maka ijikristal dị mkpụmkpụ, nke nwere ikemelite omume oge nke sistemụ ahụ.
Ihe nlereanya egosila na ụdị pixel dị iche iche, dịka hexagonal ma ọ bụ dodecagonal, nwere ike imena-eduga n'ịduzi ìhè ka mma na arụmọrụ oge, yiri ụkpụrụ nke eriri anya.
3. Uru dị irè
Foto nke Crystal Scintillator
Ma e jiri ya tụnyere blọk monolithic, ọnụahịa nke kristal SSLEnwere ike ịdị obere dịkaotu n'ime atọnke ọnụ ahịanke usoro pixeled kwekọrọ, dabere na nha pixel.
Ọzọkwa,mmetụta dị elu nke kristal SSLEna-enye ohere makaojiji nke kristal dị mkpụmkpụ, na-ebelata ọnụ ahịa zuru oke.
Usoro SSLE chọrọ obere ike laser ma e jiri ya tụnyere ịkpụ laser, nke na-enye ohere makasistemụ SSLE dị ọnụ ala karịama e jiri ya tụnyere ihe eji agbaze ma ọ bụ ịcha laser.
Iheitinye ego mbụ na akụrụngwa na ọzụzụmaka SSLE dịkwa obere nke ukwuukarịa ọnụ ahịa nke imepụta ihe nchọpụta PET.
4. Nhazi mgbanwe na nhazi
Usoro nke ịkpụ kristal SSLE bụanaghị ewe oge, yana ihe dị kaNkeji iri na iseachọrọ iji tee usoro kristal atọ nke 12.8x12.8x12 mm.
Iheọdịdị mgbanwe, irè ọnụ ahịa, namfe nke nkwadebe nke kristal SSLE, tinyere nke haakụkụ nkwakọ ngwaahịa ka mma, kwụọ ụgwọ makamkpebi oghere dị obere oberema e jiri ya tụnyere usoro pixeled ọkọlọtọ.
Jiometrị Pixel Na-abụghị nke nkịtị
SSLE na-enye ohere maka inyocha nkegeometri pixel na-abụghị nke nkịtị, na-eme ka pixel ndị na-egbuke egbuke bụrụdakọtara kpọmkwem na ihe achọrọ kpọmkwem nke ngwa ọ bụla, dịka collimators ma ọ bụ nha nke silicon photomultiplier pixels.
Ịkekọrịta Ìhè A Na-achịkwa
Enwere ike ime ka ìhè kesaa nke ọma site na iji usoro nhazi nke njirimara anya nke elu e kpụrụ akpụ,na-eme ka ọ dịkwuo mfe ime ka ihe nchọpụta gamma dịkwuo mma.
Nhazi Pụrụ Iche
Atụmatụ pụrụ iche, dị ka Voronoi tessellations, nwere ike ịbụa kpụrụ ya nke ọma n'ime kristal monolithicỌzọkwa, nkesa nke nha pikselụ n'enweghị usoro nwere ike ime ka e nwee usoro nchọpụta agbakọrọ agbakọ, na-eji ohere nke nkesa ìhè sara mbara eme ihe.
Igwe maka Ịkpụcha Laser n'okpuru ala
Isi ihe e ji emepụta Subsurface Laser dị n'ime igwe e ji akpụ ihe laser. Igwe ndị a na-eji ya eme ihelaser akwụkwọ ndụ akwụkwọ ndụ dị elu, nke e mere kpọmkwem makaihe osise laser dị n'okpuru ala na kristal.
IheNgwọta Otu na NaanịỊ ga-achọ mgbe niile maka nhazi laser subsurface.
NkwadoNhazi 6 dị iche iche
Site naOnye na-eme ihe ntụrụndụ obere obere to Mmepụta Ukwuu
Izi ezi nke ebe a na-eme ugboro ugboro at <10μm
Nkenke Ịwa Ahụmaka Ịkpụ Ihe Laser 3D
Igwe Ịkpụnye Laser Crystal 3D(SSLE)
Maka ịkpụcha laser n'okpuru ala,nkenke dị oke mkpamaka imepụta ihe osise zuru ezu ma dị mgbagwoju anya. Osisi lesa ahụ lekwasịrị anyana-akpakọrịta kpọmkwemna nhazi nke kristal ahụ,imepụta onyonyo 3D.
Mbugharị, Ziri Ezi na Elu
Kọmpat Laser Ahụmaka SSLE
Ihe Na-egbochi Mwakpo & Nchekwa Maka Ndị Mbido
Ịkpụcha kristal ngwa ngwaruo isi ihe 3600/sekọnd
Ndakọrịta Dị Mmana Nhazi