vtxvietnam
37 posts
Jan 28, 2026
11:01 PM
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Trong bat ky du an ha tang mang toc do cao nao, viec hieu ro Day nhay quang Single Mode la gi luon la nen tang de thiet ke he thong on dinh. Day khong don thuan la mot soi day dan, ma la mot thanh phan quang hoc co do chinh xac cuc cao, duoc thiet ke de truyen tai du lieu di xa voi do tre toi thieu.
Xem Chi Tiet Bai Viet Tai: Day nhay quang Single Mode la gi
Cau tao vat ly dac biet cua day nhay quang Single Mode la gi
Day nhay quang Single Mode (SM) so huu cau truc loi thuy tinh cuc nho, thuong duoc ky hieu la 9/125. Con so 9 tuong ung voi duong kinh loi (core) la 9 micromet, va 125 la duong kinh cua lop vo phan xa (cladding). So voi cac dong soi da mot co loi 50um, loi cua day Single Mode nho den muc chi cho phep mot che do anh sang don le truyen qua. Chinh cau truc nay giup triet tieu hien tuong tan sac che do (modal dispersion), cho phep du lieu duoc truyen tai di ma khong bi bien dang hinh hoc cua xung anh sang.
Tham Khao Them Tai: Co che truyen sang Single Mode
Tai sao kich thuoc loi quyet dinh chat luong day nhay quang Single Mode la gi
Kich thuoc loi 9um la yeu to then chot tao nen su khac biet. Vi loi qua nho, anh sang chi co the di theo mot duong thang doc tam soi thay vi phan xa zic-zac. Dieu nay co nghia la moi nang luong anh sang deu duoc tap trung vao mot huong duy nhat, giup tin hieu co the di duoc quang duong dai tu 10km den 80km ma khong can su ho tro cua cac tram lap. Tuy nhien, kich thuoc nho cung doi hoi cac dau noi (connector) cua day nhay quang Single Mode phai duoc gia cong cuc ky chinh xac de dam bao su dong tam tuyet doi khi ket noi.
Xem Them Tai: Phan tich ky thuat chuyen sau: Day nhay quang Single Mode la gi va cau truc loi 9/125
Vai tro cua lop vo bao ve trong day nhay quang Single Mode la gi
Bao quanh loi 9/125 la cac lop bao ve tu nhua PVC hoac LSZH. Lop vo nay khong chi dung de phan biet mau vang dac trung ma con co nhiem vu bao ve soi thuy tinh khoi cac ap luc co hoc nhu keo, nen hoac uon cong. Doi voi cac ky thuat vien, viec hieu ro cau truc cua day nhay quang Single Mode giup ho can than hon trong qua trinh thi cong, tranh tinh trang gap gay loi thuy tinh ben trong von rat gion va de hu hong neu bi tac dong luc khong dung cach.
Tham Khao: Tam quan trong cua buoc song truyen dan doi voi day nhay quang Single Mode la gi
Hieu ro cau truc loi cua Day nhay quang Single Mode la gi chinh la chia khoa de van hanh he thong mang vien thong dat hieu suat toi uu. Ban dang tim kiem giai phap vien thong tin cay? Hay den voi VTXVN – Nha phan phoi thiet bi mang, thoai uy tin tai Ha Noi. Voi 10 nam kinh nghiem va tep khach hang vuot moc 10.000, VTXVN tu tin dap ung moi tieu chuan khat khe ve ky thuat. Chung toi cam ket cung cap san pham chinh hang, do ben cao voi gia thanh canh tranh nhat thi truong. Lien he VTXVN ngay qua so 098.939.5445 hoac tai So 2, Ngo 53 Pham Tuan Tai, Cau Giay, Ha Noi de duoc phuc vu tot nhat.
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