Ubuchwepheshe bokutholwa kwe-Photolectric Rechnology (I-Avalanche PhotoDepector): Isahluko esisha ekwambuleni amasiginali akhanyayo abuthakathaka
Ocwaningweni lwesayensi, ukutholwa okuqondile kwezimpawu ezibuthakathaka kuyisihluthulelo sokuvula izinkambu eziningi zesayensi. Muva nje, impumelelo entsha yocwaningo lwesayensi ilethe izinguquko ezenzeka ekutholweni kwezimpawu zokukhanya ezibuthakathaka. Le khasiI-Avalanche PhotoDepectorUchungechunge luthuthukiswe yiqembu elaziwayo lesayensi eChina, ngokusebenza kwalo okuyingqayizivele nezinzuzo, kuzovula isahluko esisha sokutholwa kwesiginali esikhanyayo esibuthakathaka.
IsiwohlololoI-PhotoDETETETETECETETETImikhiqizo yochungechunge, ngokuya ngesimiso se-Avalanche AmplificationUmuthi wokuhlonzakayo, ukukhuliswa kungu-10 kuye kwezingu-100 ukuthi umtshina ojulile wePin Photolectric ojulile, ngokuzwela okuphezulu, umsindo ophansi, ukusebenza okuhle kokutholwa nezinye izinzuzo ezibalulekile. Ukuvela kwalolu chungechunge lwemikhiqizo kuzosiza abacwaningi ukuthi babone kangcono futhi bahlaziye amasignali akhanyayo abuthakathaka, futhi bathuthukise ukujula kocwaningo lwesayensi.
Izici eziyinhloko zalolu chungechunge lwemikhiqizo zinomsindo ophansi, inzuzo ephezulu ne-fiber optical fiber, izinketho zokuhlangana ze-spatial. Lokhu kusho ukuthi noma ngabe kuyindawo yelebhu noma imvelo eyinkimbinkimbi yangaphandle, umkhiqizo ungafinyelela ukutholwa okunembile kwesiginali, ukuhlinzeka ukwesekwa kwedatha okuthembekile kwabaphenyi. Lokhu kubuchwepheshe okusha akuvezi kuphela ukuthuthukisa ukuthola kahle kwezimpawu zokubona, kepha futhi kunciphisa umsindo okhiqizwe kwinqubo yokutholwa futhi kuthuthukise ukunemba kokutholwa.
Ngokukhethekile, uhla lwempendulo Spectra isembozo 300-1100nm no-800-1700nm, nge-3DB bandwidths kuze kufike ku-200mhhz, 500mhz. Lokhu kucaciswa okuhlukahlukene kanye namapharamitha Inika amandla umkhiqizo ukuze uvumelanise nezidingo ezahlukahlukene zocwaningo lwesayensi, nezinhlelo eziningi zezicelo, kufaka phakathi ukutholwa kwesiginali ye-optical
Kuyafaneleka ukusho ukuthi umkhiqizo wakhiwe nge-avalanche photodiode, umjikelezo we-amplicanche womsindo ophansi, umjikelezo we-APD Bias Wortal, kanye ne-waventh etholwayo lonke lemikhiqizo ehlanganisa i-300nm-1700nm. Lo mklamo wenza amandla okuthola ukutholwa okuphezulu kokuzwakala, kepha futhi anciphise ngempumelelo umsindo, athuthukise ukunemba kokutholwa. Ngaphezu kwalokho, izici ongazikhetha ze-Optical Fiber kanye nokuhlangana kwe-Spatial Nika amandla umkhiqizo ukufezekisa ukutholwa okunembile kwesiginali ezindaweni ezahlukahlukene eziyinkimbinkimbi.
Ngamafuphi, ukuthuthukiswa kwalesi avalancheUmshini wePhoyeelectricUchungechunge ngokungangabazeki luyimpumelelo enkulu kubuchwepheshe bokutholwa kwe-photoelectric. Ukuvela kwalo mkhiqizo kunikeza ithuba elisha lokutholwa kwesiginali okubuthakathaka emhlabeni wonke. Silindele ukuthi lo mkhiqizo ubambe iqhaza elikhulu ekucwaningweni kwesayensi okuzayo, ugqugquzele inqubekela phambili yesayensi, futhi kungcono ukuthuthukisa ukuthuthukiswa komphakathi wesintu.
Isikhathi Sokuposa: Sep-07-2023