I-Crystal ye-Scintillation
(Ukuqoshwa kwe-laser engaphansi komhlaba)
Imishini yokuthola esekwe kwi-Scintillation, usebenzisa ama-Inorstal Crystal Crystal Scintillators, akhonaisetshenziswa kabanzi kokutholwa kwezinhlayiyana kanye nokutholwa kwemisebe, kufaka phakathiI-Positron Emition Comography (PET) Scanners.
Ngokungeza izici eziqondiswa ukukhanya ku-crystal, ukulungiswa kwendawo yomtshinakungathuthukiswa kuma-millimeter scale, uthuthukise ukulungiswa okuphelele kwe-tomograph.
Kodwa-ke, indlela yendabuko yepixelating ngokomzimbaamakristalu aInqubo eyinkimbinkimbi, ebizayo, neyakhandla. Ngokwengeziwe, ingxenyana yokupakisha nokuzwela komtshinaingahlehliswaNgenxa yeizinto ezibonakalayo ezingekho emthethweni ezisetshenzisiwe.
Ungabuka iphepha lokucwaninga lasekuqaleni lapha. (Kusuka ekucwaningweni)
I-Subsurface Laser Entergraveng forI-Crystal ye-Scintillation
Enye indlela yokusebenzisaAmasu agqamile we-Laser Entergraveving (SSLE)Okwe-Scintillator amakristalu.
Ngokubheka i-laser ngaphakathi kwekristalu, kukhiqizwe ukushisaingadala iphethini elawulwayo yama-microcracksleyoyenza njengezakhiwo ezibonisa, ukudala kahleAmaphikseli akhanyayo akhanyayongaphandle kwesidingo sokwehlukanisa ngokomzimba.
1. Akukho pixelation ngokomzimba yekristalu edingekayo,ukunciphisa ukuxaka nezindleko.
2. Izici zokubona kanye ne-geometry yezinhlaka ezibonakalayo zingabakulawulwa ngokunembile, ukunika amandla ukwakheka kwezimo zokwenza ama-pixel ngokwezifiso nosayizi.
3. Ukufundwa kanye ne-Detector yokwakhazihlale zifana nemithi evamile ye-pixelated.
Inqubo yokuqopha ye-laser (SSLE) ye-Scintillator Crystal
Inqubo yokuqopha i-SSLE ibandakanyaIzinyathelo ezilandelayo:
1. Idizayini:
Ukumbumbuluzwa nokuklanywa kweUkwakhiwa kwe-Pixel okufiselekayo, kufaka phakathiubukhuluna-izici zokubona.
2. Imodeli ye-CAD:
Ukudalwa kwe-aImodeli ye-CAD enemininingwanekokusatshalaliswa kwe-microsack,kususelwa emiphumeleni yokulingisana-Ukucaciswa kokuqoshwa kwe-laser.
3. Qala ukubhala:
Ukuqoshwa kwangempela kwe-lyso crystal usebenzisa uhlelo lwe-laser,Kuqondiswa yi-CAD Model.
Inqubo ye-SSLE Development Process: (a) Imodeli yokulingisa, (b) imodeli ye-CAD, (c) oqondwe yi-lyso, (d) umdwebo wezikhukhula
4. Umphumela wokuhlola:
Ukuhlolwa kokusebenza kwe-crystal okuqoshwe kusetshenziswa aisithombe sensimu yezikhukhulana-IGaussian Fittingukuhlola ikhwalithi ye-pixel kanye nokulungiswa kwendawo.
I-SubsUrface Laser Entergraveng ichazwe ngemizuzu emi-2
Le khasiI-Subsurface Laser Engraving TechniqueNgezinhlamvu ze-scintillator zinikeza aindlela yokuguqulaku-pixelation yalezi zinto zokwakha.
Ngokuhlinzeka ngokulawula okuqondile kwezimpawu ze-optical kanye ne-geometry yezakhiwo ezikhanyayo, le ndlelaInika amandla ukuthuthukiswa kwezakhiwo zezakhiwo ezintshane-Ukulungiswa kwendawo okuthuthukisiwe nokusebenza, konkephandle kwa-isidingo se-pixelation eyinkimbinkimbi futhi ebizayo ngokomzimba.
Funa ukwazi kabanzi mayelana:
I-Subsurface Laser eqopha i-Scintillation Crystal?
Okutholakele kwe-SSLE SCLE SCITILLAG CRYStal
1. Isivuno esithuthukisiwe sokukhanya
Kwesobunxele: I-Entraved Surgraved Surfavilion Asymmetry Doi Overview.
Kwesokudla: Pixel Ukuthunyelwa Doi.
Ukuqhathanisa ama-pulses phakathiI-arraires egqamile ye-Laserna-I-ARRADE ENGCONOikhombisa aIsivuno esingcono kakhulu sokukhanya kwe-SSLE.
Lokhu kungenzeka ngenxa yeukungabikho kwepulasitikiPhakathi kwamaphikseli, angadala ukungalungisi okubonakalayo nokulahleka kwe-Photon.
Isivuno esingcono kakhulu sishoukukhanya okwengeziwe kwama-pulses afanayo, Ukwenza i-SSLE isici esifiselekayo.
2. Ukuziphatha okuthuthukile kwesikhathi
Isithombe sekrintillation crystal
Ubude be-crystal has aUmphumela olimazayo ngesikhathi, okubaluleke kakhulu kwi-positron ukuphuma kwe-tomography (izilwane zasekhaya).
Kodwa-ke,Ukuzwela okuphezulu kwamakristalu e-SSLEivumela ukusetshenziswa kweamakristalu amafushane, ongakwaziThuthukisa ukusebenza kwesikhathi kohlelo.
Izilinganiso ziphakamise nokuthi amajamo ahlukile we-pixel, njenge-hexagonal noma i-dodecagonal, maykuholele ekuhleleni okungcono nokukhangisa okungcono nokusebenza kwesikhathi, okufanayo nemigomo yemicu emihle.
3. Izinzuzo ezingenziwayo ezingezelwe
Isithombe se-scintillator crystal
Qhathanisa namabhulokhi e-monolithic, intengo yamakristalu e-SSLEingaba ngaphansi njengeingxenye yesithathuwezindlekokwe-array ehambisanayo ye-pixelated, kuya ngobukhulu be-pixel.
Ngokwengeziwe,Ukuzwela okuphezulu kwamakristalu e-SSLEivumelaukusetshenziswa kwamakristalu amafushane, ukunciphisa okunye izindleko.
Isu le-SSLE lidinga amandla aphansi we-laser ngokuqhathaniswa nokusika kwe-laser, okuvumelaizinhlelo ze-ssle ezingabizi kakhuluqhathanisa nezindawo zokuncibilika ze-laser noma zokusika.
Le khasiUkutshalwa kwemali kokuqala kwengqalasizinda nokuqeqeshwaI-SSLE nayo iphansi kakhulukunezindleko zokuthuthukisa umtshina wezilwane ezifuywayo.
4. Ukuguquguquka ukuguquguquka nokwenza ngokwezifiso
Inqubo yokuqopha amakristalu e-SSLEAkudla isikhathi, ngokulinganiselwaImizuzu engu-15Kudingeka ukubhala i-12.8x12.8x12 mm, i-3-crystal uhlu.
Le khasiImvelo Yezimo, Ukusebenza kwezindleko, futhiUkulungiswa kokulungiswa kwamakristalu e-SSLE, kanye nezoboIngxenyana ephakeme yokupakisha, nxephezela i-Isinqumo esiphansi sendawo esiphansikuqhathaniswa nemidlalo evamile ye-pixelated.
Ama-geometries we-pixel angejwayelekile
I-SSLE ivumela ukuhlola kweAma-geometries we-pixel angejwayelekile, ukunika amandla amaphikseli ahlanganayo ukubakufaniswe kahle nezidingo ezithile zohlelo ngalunye, ezinjengezinqumo noma ubukhulu be-Silicon PhotoMultipLier Pixels.
Ukulahla ukukhanya okukhanyayo
Ukwabelana okulula okulawulwayo kungatholakala ngokukhohlisa okuqondile kwezimpawu zokubona kwezindawo eziqoshiwe,Ukwenza lula ukwenziwa okuncane kwe-gamma detectors.
Imiklamo Exotic
Imiklamo Exotic, ezinjengezinwele zeVoronoi, zingabaKuqoshwe kalula ngaphakathi kwamakristalu e-monolithic. Ngaphezu kwalokho, ukusatshalaliswa okungahleliwe kwamasayizi we-pixel kungavumela ukwethulwa kwamasu okuzwa acindezelwe, asebenzise ngokunenzuzo yokwabelana okukhanyayo okubanzi.
Imishini yokuqopha kwe-laser ye-laser
Inhliziyo yendalo ye-subsurface laser ilele emshinini wokuqopha ama-laser. Le mishini sebenzisai-laser eluhlaza enamandla amakhulu, yenzelwe ngqoI-Subsurface Laser Entergraveng ku-Crystal.
Le khasiIsixazululo esisodwa nesodwaUyoke udinge ukugqashuka kwe-laser ye-laser.
Isekela6 Ukulungiswa okuhlukile
UkusukaIsikali esincane se-hobbyist to Ukukhiqizwa Okukhulu
Ukunemba okuphindaphindwayo kwendawo at <10μm
Ukucacisa NgokuhlinzwaOkokuqoshwa kwe-3D laser
I-3D Crystal Laser Engraving Machine(SSLE)
Okwe-Subsurface Laser Entergraveng,ukunemba kubalulekilengokwakha ama-angravings anemininingwane futhi ayinkimbinkimbi. Ugongolo olugxile lwe-laserukuxhumana ngqongesakhiwo sangaphakathi sekristalu,Ukwakha isithombe se-3D.
Okuphathekayo, okunembile futhi okuthuthukile
I-compact leser umzimbaye-ssle
Ubufakazi Bothukile-AngathiIphephe sabaqalayo
Ukuqoshwa kwe-crystal okusheshayoKufika kumaphuzu angama-3600 / Okwesibili
Ukuhambisana okukhuluekwakhiweni