A na'urar gano hotona'ura ce da ke canza siginar haske zuwa siginar lantarki.na'urar gano hoto ta semiconductor, mai ɗaukar hoto wanda photon ya haifar da farin ciki da abin da ya faru yana shiga da'irar waje a ƙarƙashin ƙarfin lantarki mai bias da aka yi amfani da shi kuma yana samar da hasken lantarki mai aunawa. Ko da a matsakaicin amsawa, hasken photodiode na fil zai iya samar da nau'ikan ramin electron guda biyu ne kawai, wanda shine na'ura ba tare da riba ta ciki ba. Don ƙarin amsawa,photodiode na zaftarewar dusar ƙanƙara(apd) za a iya amfani da shi.
Tasirin faɗaɗawa na apd akan hasken lantarki ya dogara ne akan tasirin karo na ionization. A ƙarƙashin wasu yanayi, electrons masu sauri da ramuka na iya samun isasshen kuzari don yin karo da layin don samar da sabbin nau'ikan electrons-hole. Wannan tsari shine amsawar sarka, don haka nau'ikan electrons-hole da aka samar ta hanyar shaƙar haske na iya samar da adadi mai yawa na electrons-hole da kuma samar da babban hasken lantarki na biyu. Saboda haka, apd yana da babban amsawa da riba na ciki, wanda ke inganta rabon sigina-zuwa-amo na na'urar. Ana amfani da apd galibi a cikin tsarin sadarwa na fiber na gani mai nisa ko ƙananan tare da wasu ƙuntatawa akan ƙarfin gani da aka karɓa. A halin yanzu, ƙwararrun na'urorin gani da yawa suna da kyakkyawan fata game da yuwuwar apd.
Rofea ta haɓaka na'urar gano hoto mai haɗa hoto da kuma da'irar ƙararrawa mai ƙarancin hayaniya, yayin da take samar da samfura iri-iri, ga masu amfani da binciken kimiyya. Tana ba da sabis na keɓance samfura masu inganci, tallafin fasaha da kuma sabis mai dacewa bayan siyarwa. Layin samfurin na yanzu ya haɗa da: na'urar gano siginar analog tare da ƙarawa, samun na'urar gano hoto mai daidaitawa,na'urar gano hoto mai sauri, na'urar gano kasuwar dusar ƙanƙara (APD), na'urar gano daidaito, da sauransu.
Fasali
Zangon Bita: 320-1000nm, 850-1650nm, 950-1650nm, 1100-1650nm, 1480-1620nm
3dBbandwidth: 200MHz-50GHz
Fitowar haɗin fiber na gani 2.5Gbps
Nau'in mai daidaitawa
3dBbandwidt:
200MHz, 1GHz, 10GHz, 20GHz, 50GHz
Aikace-aikace
Gano bugun jini mai sauri
Sadarwa mai sauri-sauri
Haɗin microwave
Tsarin gano fiber na gani na Brillouin
Lokacin Saƙo: Yuni-21-2023