2022-04-15
Polymer Optical fiber (POF) bụ eriri ngwa anya nke ihe mejupụtara ihe nrịbama elu dị elu dị ka isi eriri na ihe ntinye index dị ala dị ka ihe mkpuchi. Dị ka eriri anya quartz, eriri anya rọba na-ejikwa ụkpụrụ ntụgharị ọkụ zuru ezu. Isi eriri anya bụ ihe na-ekpo ọkụ na-ekpo ọkụ na ihe mkpuchi ahụ bụ ọkara ọkụ. N'ụzọ dị otú a, ọ bụrụhaala na akụkụ nke ìhè na-abanye kwesịrị ekwesị, ọkụ ọkụ ga-egosipụta mgbe niile n'ime eriri anya ma bufee ya na njedebe ọzọ.
Uru nke plastic optical fiber
Nkwurịta okwu eriri anya nwere uru atọ karịa nkwurịta okwu ọkụ eletrik (ọla kọpa) omenala: nke mbụ, ikike nkwurịta okwu buru ibu; Nke abụọ, ọ nwere ezigbo mgbochi electromagnetic nnyonye anya na nzuzo arụmọrụ; Nke atọ, ọ dị mfe na ịdị arọ ma nwee ike ịchekwa ọtụtụ ọla kọpa. Dịka ọmụmaatụ, ịtọrọ eriri anya 8-isi ogologo 1000 km nwere ike ịzọpụta 1100 tọn ọla kọpa na tọn 3700 karịa ịtọ eriri 8-isi nke otu ogologo ahụ. Ya mere, ozugbo eriri anya na eriri anya pụtara, ụlọ ọrụ nkwurịta okwu nabatara ya, bụ nke wetara mgbanwe n'ọhịa nkwurịta okwu na gburugburu nke itinye ego na mmepe mmepe. Ọ bụ ezie na quartz (glass) eriri anya nwere uru ndị a kpọtụrụ aha n'elu, ọ nwere adịghị ike na-egbu egbu: ike dị ala, nkwụsi ike na-adịghị mma na nkwụsị ọkụ na-adịghị mma.
E jiri ya tụnyere quartz optical fiber, plastic optical fiber bụ otu n'ime ihe maka ụlọ ọrụ ozi nwere mkpa nyocha nyocha na atụmanya ngwa n'ọhịa nke Polymer Science na afọ 20 na-adịbeghị anya. O nwere njirimara ndị a:
(1) The dayameta bụ nnukwu, n'ozuzu ruo 0.5 ~ 1mm. Nnukwu eriri eriri na-eme ka njikọ ya dị mfe ma dị mfe ịhazi, nke mere na enwere ike iji njikọ ịkpụzi injection dị ọnụ ala na ụgwọ ntinye dị ala;
(2) Oghere ọnụọgụ (NA) buru ibu, ihe dị ka 0.3 ~ 0.5, na njikọ njikọta na isi iyi na ngwaọrụ nnata dị elu;
( 3) Ụdị ihe eji eme ihe nwere uru nke ihe ndị dị ọnụ ala, ọnụ ahịa nrụpụta dị ala na ngwa ngwa.
Oge nzipu: Eprel-29-2022