Otu phon PhotoDetector

Otu photonIngtaas phosetector

Na ngwa ngwa nke LIDAR,nchọpụta ọkụTeknụzụ na teknụzụ dị ụkọ nke ejiri maka teknụzụ na-akpaghị aka, mmetụta uche na usoro nchọpụta ọdịnala dị ala enweghị ike imezu mkpa ọfụma. Otu Photon bụ obere ike nke ọkụ, yana nchọpụta ya na ikike nke otu Phototon nchọpụta bụ ngwá ọrụ ikpeazụ nke obere nchọpụta. Ya na IngasAPD Photosector, Onye na-achọpụta Photon na-achọpụta na Inthaas APTonetector nwere ọsọ nzaghachi dị elu, mmetụta na arụmọrụ dị elu. Ya mere, usoro nyocha na in-gaas appd photosectoctor emewo n'ụlọ na mba ọzọ.

Ndị na-eme nchọpụta si Mahadum Milan na Italy nke mbụ mepụtara usoro ụzọ abụọ iji mee ka a na-emegharị usoro nke otu photonavalanchectectorN'afọ 1997, ma nye usoro ọdịiche nke njiri mara nke otu photo Photosetector. Mgbe ahụ n'afọ 2006, ndị ọrụ nyocha ji mocvd kwadebe osisi geometricIngsaas appletectorOtu phon na-achọpụta, nke na-abawanye arụmọrụ nke otu Photon site na iwelata oyi akwa ma kwalite ubi eletriki na interfacle. N'afọ 2014, site na imeziwanye ọnọdụ nke zinc dị iche iche ma na-ejikwa vetikal, onye nchọpụta otu nwere arụmọrụ dị elu, ruo 30%, ma na-emezu ihe dị ka 87 PST. N'afọ 2016, Sanzaro M et al. Infrasetector Photoosector na Phono na-achọpụta usoro ịgbachitere nke ọma, ma gosipụta ngwakọ na-agbadata na-eme ka ọ bụrụ na onye na-ahụ maka ihe ọ bụla na -eweta ya, na ibelata ihe dị ka akara aka ruo 70 PST. N'otu oge ahụ, otu ndị ọzọ nyocha ndị ọzọ emebekwala nyocha na Aftaas Apdphotodetectorotu phon na-achọpụta. Iji maa atụ, Princeton Lightwave emeela ka Afsas Photo / inpopd otu photon na-achọpụta ihe owuwu na itinye ya n'ime azụmahịa. Na Shanghai Intestate nke Phy-Photon arụmọrụ nke Ntinye Akaụntụ Singdodector na Ọnọdụ Plumeda Ọnọdụ na Ọnọdụ Plumenance Ọnọdụ nke 3.5 MSHZ. Joseph P et al. Ezubere Mesa usoro nke Mesa Apd photosetector na Bandgap na-eme ihe, ma jiri Inweta a na-atọ ụtọ na-enweghị nkụda mmụọ.

Ọnọdụ arụmọrụ nke Inthaas APD Photosector bụ ọnọdụ na-achọpụta n'efu bụ ọnọdụ arụ ọrụ na-akwụghị ụgwọ mgbe avalanchectecit na-eme, ma naghachi mgbe ọ ga-eme ya oge. Iji belata mmetụta nke igbu oge na-egbu oge, ọ na -eche ya n'ụzọ abụọ: otu bụ ihe eji eme ihe na-arụ ọrụ na-eme ka ọ dị mfe ma ọ bụ na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ ma ọ bụ na-arụ ọrụ na-arụ ọrụ ma ọ bụ na-arụ ọrụ, na-agbanwe agbanwe na-enweghị nsogbu na mbụ. Ọzọkwa, nrụpụta nchọpụta na 1550 nm bụ 10%, na ihe puru omume nke Post-Pulrafu erughị 1%. Nke abụọ bụ ịghọta ihe ngwa ngwa na mgbake ọsọ site na ịchịkwa ọkwa nke voltaji. Ebe ọ bụ na ọ dabereghị na njikwa nzaghachi nke ụma, na-egbu oge oge a na-egbu egbu na-ebelata na arụmọrụ nchọta nke ihe nchọpụta ahụ. Dịka ọmụmaatụ, LC Congar et al na-eji ọnọdụ dị na Goa. Onye na-achọpụta ihe na-achọpụta na incas / inpopd dị njikere. A na-ahụkarị nyocha nke otu Photon na 155% na 1550 NM, yana ihe puru omume nke 7%. On this basis, the University of Science and Technology of China established a liDAR system using multi-mode fiber simultaneously coupled with a free-mode InGaAs APD photodetector single-photon detector. A na-egosipụta akụrụngwa nnwale ahụ na eserese (c) na (d), na nchọpụta nke igwe ojii dị iche iche na-achọpụta na-achọpụta na mkpebi oge nke 1 m.