De van hanh mot he thong vien thong on dinh, ky thuat vien khong chi can biet Day nhay quang Single Mode la gi ma con phai hieu ro co che truyen dan qua cac buoc song. Day la yeu to quyet dinh kha nang xuyen thau va muc do suy hao cua tin hieu tren duong truyen thuc te.

Cac cua so buoc song pho bien tren day nhay quang Single Mode la gi

Day nhay quang Single Mode chu yeu hoat dong o hai cua so buoc song chinh la 1310nm va 1550nm. O buoc song 1310nm, tin hieu dat duoc do tan sac bang khong, rat phu hop cho cac ket noi noi do hoac khoang cach trung binh. Trong khi do, buoc song 1550nm lai co muc suy hao thap nhat (thuong khoang 0.2dB/km), bien no thanh lua chon hoan hao cho cac duong truyen vien thong xuyen tinh hoac quoc gia. Viec nam ro buoc song hoat dong giup nguoi dung chon dung loai Transceiver tuong thich voi day nhay Single Mode dang su dung.

Su tuong tac giua anh sang Laser va day nhay quang Single Mode la gi

Khac voi den LED duoc dung trong mang Multi Mode, day nhay Single Mode doi hoi nguon phat Laser tap trung. Laser tao ra cac xung anh sang manh me va dong nhat, co the "len loi" qua loi soi 9um cua day nhay quang Single Mode ma khong bi suy yeu nhanh chong. Su ket hop giua nguon sang Laser va soi don mot tao ra mot kenh truyen thong tin cay, co kha nang ho tro toc do tu 1Gbps den hang tram Gbps tuy thuoc vao thiet bi dau cuoi.

Anh huong cua suy hao uon cong len day nhay quang Single Mode la gi

Mac du truyen tai tot o cac buoc song dai, nhung day nhay Single Mode lai kha nhay cam voi viec uon cong (macro-bending). Neu ban cuon day qua nho, anh sang tai buoc song 1550nm se bi thoat ra khoi loi soi, dan den suy hao tin hieu nghiem trong. Hien nay, cac dong day nhay quang Single Mode chuan G.657.A1/A2 da duoc cai tien de chiu duoc uon cong tot hon, giup viec di day trong tu ODF mat do cao tro nen an toan va hieu qua hon nhieu so voi chuan G.652 truyen thong.

Viec lam chu kien thuc ve buoc song truyen dan va Day nhay quang Single Mode la gi se giup ban loai bo cac su co chap chon trong he thong mang.

Chat luong san pham la kim chi nam giup VTXVN dung vung suot 10 nam qua trong nganh vien thong. La nha phan phoi thiet bi mang, thoai quy mo lon tai Ha Noi, VTXVN da phuc vu hon 10.000 khach hang tu ca nhan den doanh nghiep. Chung toi tu hao mang den he sinh thai san pham dat chuan quoc te, giup toi uu hoa he thong lien lac cua ban. De biet them chi tiet, quy khach vui long lien he Hotline: 0973.497.685 hoac toi dia chi: So 2, Ngo 53 Pham Tuan Tai, Cau Giay, Ha Noi.