Fahimtar raƙuman ruwa na 850nm, 1310nm da 1550nm a cikin fiber na gani
An bayyana haske ta hanyar tsayinsa, kuma a cikin hanyoyin sadarwa na fiber optic , hasken da ake amfani da shi yana cikin yankin infrared, inda tsayin haske ya fi na haske mai gani.A cikin sadarwar fiber na gani, tsayin daka na yau da kullun shine 800 zuwa 1600nm, kuma tsayin da aka fi amfani dashi shine 850nm, 1310nm da 1550nm.
Tushen hoto:
Lokacin da hasken wuta ya zaɓi tsawon watsawa, yafi la'akari da asarar fiber da watsawa.Manufar ita ce watsa mafi yawan bayanai tare da mafi ƙarancin asarar fiber akan mafi tsayin nisa.Asarar ƙarfin sigina yayin watsawa shine attenuation.Attenuation yana da alaƙa da tsayin nau'in igiyar ruwa, tsayin tsayin igiyar ruwa, ƙarami da raguwa.Hasken da ake amfani da shi a cikin fiber yana da tsayi mai tsayi a 850, 1310, 1550nm, don haka raguwar fiber ɗin ya ragu, wanda kuma yana haifar da ƙarancin fiber.Kuma waɗannan tsayin raƙuman raƙuman ruwa guda uku suna da kusan shanyewar sifili, waɗanda suka fi dacewa da watsawa a cikin filaye na gani kamar yadda akwai hanyoyin haske.
Tushen hoto:
A cikin sadarwar fiber na gani, za a iya raba fiber na gani zuwa yanayin-ɗayan yanayi da yanayin multi-mode.Yankin tsawon zangon 850nm yawanci hanya ce ta hanyar sadarwa ta fiber na gani da yawa, 1550nm hanya ce guda ɗaya, kuma 1310nm yana da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan fiber ne.Dangane da ITU-T, ana ba da shawarar attenuation na 1310nm don zama ≤0.4dB/km, kuma attenuation na 1550nm shine ≤0.3dB/km.Kuma asarar a 850nm shine 2.5dB/km.Asarar fiber gabaɗaya yana raguwa yayin da tsayin igiyoyin ke ƙaruwa.Tsawon zangon tsakiya na 1550 nm a kusa da C-band (1525-1565nm) yawanci ana kiransa taga asarar sifili, wanda ke nufin cewa raguwar fiber quartz shine mafi ƙanƙanta a wannan tsayin tsayin.
Beijing Rofea Optoelectronics Co., Ltd. dake cikin "Silicon Valley" na kasar Sin - Beijing Zhongguancun, wani babban kamfani ne na fasaha da aka sadaukar don hidimar cibiyoyin bincike na gida da na waje, cibiyoyin bincike, jami'o'i da ma'aikatan binciken kimiyya na masana'antu.Kamfaninmu ya fi tsunduma cikin bincike mai zaman kansa da haɓakawa, ƙira, masana'antu, tallace-tallace na samfuran optoelectronic, kuma yana ba da sabbin hanyoyin warwarewa da ƙwararru, keɓaɓɓen sabis don masu binciken kimiyya da injiniyoyin masana'antu.Bayan shekaru masu tasowa masu zaman kansu, ya samar da samfurori masu kyau da cikakke na samfurori na photoelectric, waɗanda aka yi amfani da su sosai a cikin gundumomi, soja, sufuri, wutar lantarki, kudi, ilimi, likita da sauran masana'antu.
Lokacin aikawa: Mayu-18-2023