Ihe ọmụma bụ isi nke fiber optics

1.Olee otú eriri anya na-ebufe ìhè?

Na-eme nkwukọrịtangwa anya eririỌ dabere n'ụkpụrụ nke ngosipụta zuru oke nke ìhè.
Mgbe ọkụ na-agbasa n'etiti etiti eriri ahụ, ntugharị refractive n1 nke fiber core dị ukwuu karịa nke cladding n2, na ọnwụ nke isi dị obere karịa nke mkpuchi ahụ, ya mere ìhè ahụ ga-enweta ntụgharị uche. na ike ọkụ ya na-ebutekarị na isi n'ihi nlegharị anya na-aga n'ihu, enwere ike ibunye ọkụ site n'otu nsọtụ gaa na nke ọzọ.

2.How na-ekewa ngwa anya eriri?

Nkewa site na ọnọdụ nnyefe: eriri otu ụdị na eriri multimode.
eriri otu ụdị nwere obere dayameta isi ma nwee ike ibunye ebili mmiri ọkụ n'otu ọnọdụ.
Multimode eriri nwere nnukwu isi dayameta ma nwee ike ibunye ebili mmiri ọkụ n'ọtụtụ ụdịdị.
Ị nwekwara ike ịmata ọdịiche dị n'otu eriri na eriri multimode site na agba ọdịdị:
Ọtụtụ n'imengwa anya emep uta eriOtu ụdị nwere jaket na-acha odo odo na njikọ na-acha anụnụ anụnụ, na eriri USB bụ 9.0 μm. Enwere isi ogologo wavelength abụọ nke eriri otu ụdị: 1310 nm na 1550 nm. A na-ejikarị 1310 nm maka mgbasa ozi dị mkpụmkpụ, ọkara ma ọ bụ ogologo, yana 1550 nm maka nnyefe ogologo na ultra-ogologo. nnyefe dịpụrụ adịpụ. Ebe dị anya nke nnyefe na-adabere na ike nnyefe nke modul optical The nnyefe anya nke 1310nm otu-mode ọdụ ụgbọ mmiri bụ 10km, 30km, 40km, wdg, na nnyefe anya nke 1550nm otu-mode ọdụ ụgbọ mmiri bụ 40 km, 70 km. , 100 km, wdg.

Multimode ngwa anya emep uta eri bụ ukwuu n'ime oroma / isi awọ jaket na nwa / agba aja aja njikọ, na cable cores bụ 50.0 μm na 62.5 μm. The Central wavelength nke multimode eriri bụ n'ozuzu 850 nm. Ogologo nnyefe nke eriri anya multimode dị mkpụmkpụ, n'ozuzu n'ime 500m.

Nhazi dịka ụkpụrụ ITU-T mba ụwa si dị: G.651, G.652, G.653, G.654, G.655, G.656, G.657.