Photodetector na'ura ce da ke juyar da siginar haske zuwa siginar lantarki.A cikin na'ura mai daukar hoto na semiconductor, mai ɗaukar hoto da ke jin daɗin abin da ya faru photon ya shiga kewayen waje a ƙarƙashin wutar lantarki da ake amfani da shi kuma ya samar da hoto mai aunawa.Ko da a iyakar amsawa, fil photodiode zai iya samar da nau'i-nau'i na ramin lantarki kawai a mafi yawan, wanda shine na'ura ba tare da riba ta ciki ba.Don ƙarin amsawa, ana iya amfani da avalanche photodiode (apd).
Tasirin haɓakawa na apd akan photocurrent ya dogara ne akan tasirin karo na ionization.Ƙarƙashin wasu sharuɗɗa, ƙarfin lantarki da ramuka na iya samun isasshen kuzari don yin karo da lattice don samar da sabon nau'i-nau'i na ramukan lantarki.Wannan tsari wani nau'i ne na sarka, ta yadda nau'i-nau'i-nau'i-nau'i-nau'i-nau'i-nau'i-nau'i na lantarki da aka samar ta hanyar shayar da haske zai iya samar da adadi mai yawa na ramin electron kuma su samar da babban photocurrent na sakandare.Sabili da haka, apd yana da babban amsawa da riba na ciki, wanda ke inganta ƙimar sigina-zuwa-amo na na'urar.Za a yi amfani da apd galibi a cikin nesa ko ƙananan tsarin sadarwar fiber na gani tare da wasu iyakoki akan ƙarfin gani da aka karɓa.A halin yanzu, ƙwararrun na'urorin gani da yawa suna da kyakkyawan fata game da haƙƙin apd.
Rofea da kansa ya haɓaka photodetector hadedde photodiode da ƙananan ƙararrawa da'ira, yayin samar da samfura iri-iri, don masu amfani da binciken kimiyya Samar da ingantaccen sabis na keɓance samfur, goyan bayan fasaha da dacewa bayan-tallace-tallace.Layin samfurin na yanzu ya haɗa da: siginar siginar siginar analog tare da haɓakawa, samun daidaitacce photodetector, babban saurin daukar hoto, mai gano kasuwar dusar ƙanƙara (APD), mai gano ma'auni, da sauransu.
Siffar
Kewayon Spectral: 320-1000nm, 850-1650nm, 950-1650nm, 1100-1650nm, 1480-1620nm
3dBbandWidth: 200MHz-50GHz
Kayan aikin haɗin fiber na gani na gani2.5Gbps
Nau'in Modulator
3dBbandwidt:
200MHz, 1GHz, 10GHz,20GHz,50GHz
Aikace-aikace
Gano bugun bugun jini mai saurin gani
Sadarwar gani mai sauri
Microwave mahada
Brillouin Optical Fiber Sensing System
Lokacin aikawa: Juni-21-2023