Kuyini "indandatho ye-cyclic fiber"? Wazi kangakanani ngakho?
Incazelo: I-fiber fiber fiber ekhanyayo lapho kukhanya kungajikeleza kaningi
Indandatho ye-cyclic fiber iyinhlanganoIdivayisi ye-Fibre Opticlapho kukhanya kungahle khona futhi kudlule kaningi. Isetshenziswa ikakhulukazi ohlelweni lokuxhumana lwe-Optical Fiber Optical Optical Fiber Optical. Noma ngobude obuncane bei-fiber ye-Optical, Ukukhanya kwesiginali kungadluliselwa amabanga amade kakhulu ngokufaka amahlandla amaningi. Lokhu kusiza ekutadisheni imiphumela emibi nokungabi nalutho okubonakalayo okuthinta ikhwalithi ekhanyayo yesiginali.
Kubuchwepheshe be-laser, izikebhe ze-byclic fiber zingasetshenziswa ukukala i-linewidth of ai-laser, ikakhulukazi lapho i-linewidth incane kakhulu (<1khz). Lokhu kungukunwetshwa kwendlela yokulinganisa ye-self-hetrodyne ye-linewidth, engadingi imvume eyengeziwe ye-laser ukuthola isibonakaliso sereferensi uqobo, esidinga ukusetshenziswa kwemicu emide yemodi eyodwa. Inkinga ngobuchwepheshe bokuzenzela ubuchwepheshe bokutholwa yilapho ukubambezeleka kwesikhathi okudingekayo kungukuhleleka okufanayo njengokubuyiselwa komugqa ububanzi, ukuze ububanzi be-LINE buncane, futhi ngisho nangaphansi kwe-1KHZ kudinga ubude obukhulu befiber.
Umdwebo 1: Umdwebo we-Schematic wendandatho ye-cyclic fiber.
Isizathu esiyisisekelo sokusebenzisa ama-fiber loops ukuthi i-fiber yobude obuphakathi inganikeza ukubambezeleka isikhathi eside ngoba ukukhanya kuhamba ama-fiber. Ukuze uhlukanise ukukhanya okudluliselwe kuma-loops ahlukene, i-acousousto-optic modulator ingasetshenziswa ku-loop ukukhiqiza i-frequench frequency (ngokwesibonelo, 100mhhz). Ngoba lokhu kuguquka imvamisa kukhulu kakhulu kunobubanzi belayini, ukukhanya okuye kwahamba ngenani elihlukile lokujika ku-loop kungahlukaniswa kwisizinda semvamisa. KuI-PhotoDETETETETECETETET, okwangempelaukukhanya kwe-laserkanye nokushaywa kwesibani ngemuva kokushintsha imvamisa kungasetshenziswa ukukala ububanzi belayini.
Uma kungekho lula idivaysi ku-loop, ukulahleka kumodi ye-acousto-optic modulator kanye ne-fiber kukhulu kakhulu, futhi ukuqina kokukhanya kuzokubola ngokungathi sína ngemuva kwama-loops amaningana. Lokhu kunciphisa kakhulu inani le-loops lapho i-linewidth ilinganiswa. Ama-amplifiers we-fiber angangezwa ku-loop ukuze aqede lokhu kukhawulelwa.
Kodwa-ke, lokhu kwakha inkinga entsha: yize ukukhanya okudlula ngokushintshana okuhlukile kuhlukaniswe ngokuphelele, isiginali yokushaya ivela kumabhangqa ahlukene we-Photons, aguqula i-Beat Spectrum iphelele. Indandatho ye-Optical fiber ingaklanywa ngokufanelekile ukunqanda ngempumelelo le miphumela. Ekugcineni, ukuzwela kwe-cyclic fiber loop kukhawulelwe ngumsindo weI-Fibre Amplifier. Kuyadingeka futhi ukubheka ukungathembeki kwe-fiber kanye nemigqa engeyona eye-lorentz ekusebenzeni kwedatha
Isikhathi sePosi: Dece-12-2023