Maumbirwo eChinoongorora mufananidzo chePIN
Chinoongorora mufananidzo, mudziyo unoshandura zviratidzo zvechiedza kuita zviratidzo zvemagetsi uchishandisa photoelectric effect, wakafanana neziso remunhu uye unogona kubata zviratidzo zvinooneka nezvisingaonekwe zvisina simba. Nekuda kwekushanda kwaro kwemwaranzi yechiedza zvichikonzera shanduko muhunhu hwezvinhu, ma photodetector ane sarudzo dzakasiyana-siyana dzezvinhu uye mhando dzakasiyana-siyana, imwe neimwe ine mamiriro ayo akasiyana ekushandiswa.
Mhando dzezvioni zvemafoto dzinopatsanurwa zvichienderana nehunhu hwadzo, kusanganisira zvishandiso zvemagetsi zvevacuum optoelectronic, zvinoona mafotoconductor,mafotodiodhi ePIN, phototransistors, uye avalanche diode detectors (Chinoongorora mufananidzo cheAPDChinonyanya kukosha iPIN photodetector, iyo inowedzera upamhi hwenzvimbo yekuderera kwesimba nekuisa low concentration type I semiconductor layer muPN junction, nokudaro ichideredza simba rekufamba kwe diffusion uye ichivandudza kumhanya kwekupindura.
MaPIN photodiode anoshandiswa zvakanyanya muminda yakasiyana-siyana yakadai sekutaurirana kwemaziso, kuyerwa kwemaziso, kufungidzira kwezvekurapa, uye laser zvichienderana nekushanda kwazvo kwe quantum, ruzha rwakaderera, mhinduro ye wide spectral, uye mhinduro inokurumidza. Semuenzaniso, maLBTEK's silicon-based amplification detectors uye balanced photodetectors ndeemuchikamu ichi. Zvisinei, zvakakosha kucherechedza kuti maPIN photodetectors ane muganho mukukwanisa kwawo kuona zviratidzo zvechiedza zvisina simba nekuda kwekushaya kuwedzera kwekuwedzera. Avalanche photodiode (APD photodetector) inowedzera photocurrent nekuunza nzvimbo ye current gain mukati mePIN photodiode uye kushandisa internal avalanche multiplication effect yayo. Izvi zvinopa maAPD photodetectors mukana pamusoro pePIN photodetectors mukuona zviratidzo zvisina simba, ne internal gain inosvika kagumi kusvika zana. Nheyo yekushanda ye photodetector inosiyana zvichienderana nerudzi rwayo chaiyo, asi nheyo yayo yekutanga ye photoelectric effect inoshanda kune marudzi akasiyana e photodetectors.
Sechinhu chikuru chemazuva ano che optoelectronic systems, mashandiro e photodetectors anosarudza zvakananga kururama, kuvimbika, uye kugadzikana kwesystem yese. Inoshandiswa zvakanyanya muminda yakaita se fiber optic communication, environment monitoring, medical imaging, military reconnaissance, industrial automation, uye study yesainzi, ine basa rekushandura optical signals kuita masignal emagetsi anoyerwa. Saka, kuona zvakakwana uye kwakarurama ma photodetectors kwakakosha.
Nguva yekutumira: Kubvumbi-20-2026