Kutsvakwa kwazvino kweAvalanche Photodetector
Infrared yekuona tekinoroji inoshandiswa zvakanyanya muchiuto kuyanana, kutarisisa kwenzvimbo, kurapwa nekurapa uye mamwe minda. Tsika dzechinyakare dzinoongorora dzine mamwe miganhu mukuita, senge kuona kunzwa kwekunzwa, kupindura kumhanya uye zvichingodaro. Inas / Inassb Kirasi II Superlattice (T2SL) Zvigadzirwa zvine yakanaka fotolectric zvivakwa uye kushamwaridzana, kuita kuti vakwanise kuve vakakwana kwenguva yakareba (LWIR) DECKERS. Dambudziko remhinduro isina kusimba mukutsvakwa kwakawanda kwekuonekwa kwave kufungidzirwa kwenguva yakareba, iyo inoganhurirwa zvakanyanya nekuvimbika kweshandiso yemagetsi. Kunyangwe Avalanche Photodetector (APD PhotosDetector) ine mhinduro yakanaka kwazvo yekuita, inotambura neyakanyanya kusviba zvazvino panguva yekuwedzera.
Kugadzirisa matambudziko aya, timu kubva kuYunivhesiti yeSairthcha Science Science uye tekinoroji yeChina yakagadzira kirasi yepamusoro II Superlattice (T2SL) Long infrared Avalared Avalarred Apolanche (APD). Vatsvagiri vakashandisa zasi auder yekudzokorora kweiyo inas / Inassb t2sl absorber layer kuti uderedze rima riripo. Panguva imwecheteyo, Alassb ine yakaderera K kukosha kwakashandiswa seyakawandisa denderedzwa yekudzvinyirira ruzha rwekuchengetedza nguva yakakwana. Dhizaini iyi inopa mhinduro yekuvimbisa yekusimudzira kukura kwekusimudzira kwenguva refu infrared yekuona tekinoroji. Detector anogamuchira dhizaini rakamanikidzwa, uye nekugadzirisa kuumbwa kwehuwandu hwemazwi uye nehissb, shanduko yakatsiga yechigadzirwa chebhendi inowanikwa, uye kuita kweiyo detector inovandudzwa. Panyaya yekusarudza kwezvinhu uye maitiro ekugadzirira, ichi chidzidzo chinotsanangura zvakadzama nzira yekukura uye maitiro ezvinyorwa zve inas / Insabt T2SL zvinhu zvinoshandiswa kugadzirira iyo detictor. Kufunga kuumbwa uye ukobvu hweInas / Insassb t2sl iri kutsoropodza uye paramende yekugadziriswa inodiwa kuti uwane kushushikana kushushikana. Muchirevo chekureba-wave-wave mafungiro ekuona, kuti uzadzise iyo yakaenzana-kubva kuWave-off wave Nekudaro, thicker monocycle inogadzirisa mukuderera kwekunyudza muyero munzira yekukura uye kuwedzera kwehuwandu hwekuita maburi mu t2SL. Inowanikwa kuti kuwedzera SB chikamu kunogona kuzadzisa kureba cutoff wavelength isina zvakanyanya kuwedzera nguva diki. Nekudaro, zvakawandisa SB kuumbwa kunogona kutungamira mukukasira kweSB zvinhu.
Naizvozvo, inas / inas0.5sb0.5 T2SL neSB Group 0.5 yakasarudzwa seyinoshanda seyakajairwa ye APDPhotomdetector. Inas / Insabb T2SL inonyanya kukura pagebhu setserrates, saka basa regebhu mumutambo wekutonga zvinoda kutariswa. Chaizvoizvo, kuwana huswa kuenzana kunosanganisira kuenzanisa iyo avhareji lattice inogara ichiramba yemhando yepamusoro yenguva imwe kune iyo lattice inogara ichipfuura. Kazhinji, iyo tensile sty inas inobhadharwa neyekumanikidza kushamwaridzana kwakaunzwa neiyo insassb, zvichikonzera muhudyu miteji kupfuura iyo inassb layer. Chidzidzo ichi chakayera iyo Photoelectric Mhinduro yeiyo Avalanche photoDetector, kusanganisira mhinduro yekutarisa, yakasviba zvazvino, ruzha, etc., uye yakarongedzwa kushanda kweiyo yakabudirira yeiyo gradient leyer dhizaini yekugadzira gradient. Iyo Avalanche inowedzera simba reAVEDETETATE yakaongororwa, uye hukama pakati pechinhu chakawandisa uye chiitiko chechiitiko chekupedzisira, tembiricha uye mamwe ma paramita anokurukurwa.
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Kutumira Nguva: Jan-06-2025