Breakthrough photoelectric detection fasahar (Avalanche photodetector): Wani sabon babi na bayyana raunata siginar haske

Nasarar fasahar gano wutar lantarki (Avalanche Photodetector): Sabon babi na bayyana siginonin haske masu rauni
A cikin binciken kimiyya, ainihin gano siginar haske mai rauni shine mabuɗin buɗe fagagen kimiyya da yawa. Kwanan nan, wani sabon nasarar binciken kimiyya ya kawo sauye-sauye na ci gaba don gano alamun haske mai rauni. Thedusar ƙanƙara mai daukar hotojerin da sanannun ƙungiyar bincike na kimiyya a kasar Sin suka kirkira, tare da ayyukansa na musamman da fa'ida, za su buɗe sabon babi don gano siginar rauni mai rauni.

Avalanche Photodetector APD PIN photoelectric
Avalanchemai daukar hotojerin samfuran, bisa ga ƙa'idar haɓaka haɓakar ƙanƙaraAPD, Girman girma shine sau 10 zuwa 100 na na yau da kullun na mai gano hoto na PIN na yau da kullun, tare da babban hankali, ƙaramar amo, kyakkyawan aikin ganowa da sauran fa'idodi masu mahimmanci. Fitowar wannan jerin samfuran za su taimaka wa masu bincike su gano da kuma bincikar siginar haske mai rauni, da kuma ƙara haɓaka zurfin binciken kimiyya.
Babban fasali na wannan jerin samfurori sune ƙananan amo, babban riba da fiber na gani, zaɓuɓɓukan haɗin sararin samaniya. Wannan yana nufin cewa ko yanayin dakin gwaje-gwaje ne ko mahalli na waje mai rikitarwa, samfurin zai iya cimma daidaitaccen gano siginar gani, yana ba da ingantaccen tallafin bayanai ga masu bincike. Wannan sabuwar fasahar ba wai kawai tana inganta aikin gano siginar gani ba, har ma tana rage hayaniyar da aka haifar a cikin tsarin ganowa da kuma inganta daidaiton ganowa.
Musamman, kewayon bakan martani yana rufe 300-1100nm da 800-1700nm, tare da bandwidth na 3dB har zuwa 200MHz, 500MHz, 1GHz da 10GHz. Waɗannan ƙayyadaddun ƙayyadaddun bayanai da sigogi daban-daban suna ba da damar samfurin don daidaitawa da buƙatun bincike na kimiyya daban-daban, da aikace-aikace da yawa, gami da gano siginar gani mai rauni, gano siginar bugun bugun jini mai saurin gani, da sadarwar jimla.
Ya kamata a ambata cewa samfurin yana da ginanniyar avalanche photodiode, ƙananan ƙarar ƙarar ƙararrawa, da'irar haɓaka haɓakar APD, da tsinkayen tsayin samfuran samfuran duka yana rufe 300nm-1700nm. Wannan ƙira yana ba samfur damar cimma babban ganewar hankali, amma kuma yadda ya kamata rage amo, inganta daidaiton ganowa. Bugu da ƙari, abubuwan zaɓi na fiber na gani da haɗin kai na sararin samaniya suna ba da damar samfurin don cimma daidaitaccen gano siginar a cikin mahalli iri-iri.
A takaice, ci gaban wannan bala'inphotoelectric ganowajerin babu shakka babban ci gaba ne a fasahar gano wutar lantarki. Bayyanar wannan samfurin yana ba da sabon yuwuwar gano siginar haske mai rauni a duniya. Muna sa ran wannan samfurin zai taka rawar gani a cikin binciken kimiyya na gaba, inganta ci gaban kimiyya, kuma mafi kyawun hidimar ci gaban al'ummar ɗan adam.


Lokacin aikawa: Satumba-07-2023