Iji hụ na ntụkwasị obi na ndụ ọrụ nke ahịrị nkwurịta okwu fiber ngwa anya, njirimara okpomọkụ na njiri arụ ọrụ nke eriri anya bụkwa ihe abụọ dị oke mkpa arụ ọrụ anụ ahụ.
1. Ụdị okpomọkụ nke eriri anya
Ọnwụ nke eriri anya nwere ike ịkọwa site na ọnụọgụ attenuation nke eriri anya, na ọnụọgụ attenuation nke eriri anya na-ejikọta ya na gburugburu ebe ọrụ nke usoro nkwurịta okwu nke eriri anya, ya bụ, ọ na-abawanye site na mmetụta nke eriri anya. okpomọkụ, karịsịa na mpaghara okpomọkụ dị ala.Isi ihe mere na-abawanye ọnụọgụ attenuation nke eriri anya bụ mfu microbending na mfu nke eriri anya.
Mbelata microbending nke eriri ahụ n'ihi mgbanwe okpomọkụ na-akpata site na mgbasawanye ọkụ na nkwekọrịta.A maara na physics na ọnụọgụ mgbasawanye ọkụ nke silicon dioxide (SiO2) nke mebere eriri anya dị ntakịrị, ọ naghịkwa adalata mgbe okpomọkụ na-ebelata.A ghaghị kpuchie eriri anya ma tinye ya na ihe ndị ọzọ n'oge usoro nhazi eriri.Mgbasa mgbasawanye nke ihe mkpuchi na ihe ndị ọzọ dị ukwuu.Mgbe okpomọkụ na-ebelata, mbelata na-adị njọ karị.Ya mere, mgbe okpomọkụ gbanwere, ọnụọgụ mgbasawanye nke ihe dị iche iche., Ga-eme ka eriri anya na-ehulata ntakịrị, karịsịa na mpaghara okpomọkụ dị ala.
A na-egosi usoro n'etiti mfu ọzọ nke eriri na okpomọkụ na ọnụ ọgụgụ ahụ.Ka okpomọkụ na-ebelata, mfu nke eriri ahụ ji nwayọọ nwayọọ na-abawanye.Mgbe okpomọkụ na-adaba n'ihe dịka -55 Celsius, mfu ndị ọzọ na-abawanye nke ọma.
Ya mere, mgbe ị na-emepụta usoro nkwurịta okwu fiber optic, ọ dị mkpa iji tụlee ule okirikiri dị elu na nke dị ala nke eriri anya iji chọpụta ma ọnwụ nke eriri anya na-emezu ihe achọrọ nke index.
2. Mechanical e ji mara eriri anya
Iji hụ na eriri anya adịghị agbaji na ngwa bara uru ma nwee ntụkwasị obi ogologo oge mgbe ejiri ya na gburugburu dị iche iche, a chọrọ na eriri anya ga-enwerịrị ike ịrụ ọrụ.
Dị ka ihe niile maara, ihe mejupụtara eriri anya ugbu a bụ SiO2, nke a ga-adọta n'ime 125 μm filaments.N'oge usoro eserese, ike ike nke eriri anya bụ ihe dịka 10 ~ 20kg / mm².Ike nwere ike iru 400kg / mm².The n'ibu e ji mara anyị chọrọ ikwurịta tumadi na-ezo aka ike na ndụ nke eriri.
Ike nke eriri anya ebe a na-ezo aka na ike ike.Mgbe eriri ahụ na-enwekwu esemokwu karịa ka ọ nwere ike idi, eriri ahụ ga-agbaji.
Banyere ike na-agbaji nke eriri anya, ọ na-ejikọta ya na ọkpụrụkpụ nke mkpuchi mkpuchi.Mgbe mkpuchi mkpuchi bụ 5 ~ 10μm, ike na-agbaji bụ 330kg / mm², na mgbe mkpuchi mkpuchi bụ 100μm, ọ nwere ike iru 530kg / mm².
Ihe na-akpata eriri eriri bụ n'ihi ntụpọ nke elu nke preform n'onwe ya n'oge mmepụta nke eriri anya.Mgbe a nabatara esemokwu ahụ, nrụgide na-elekwasị anya na ntụpọ ahụ.Mgbe esemokwu ahụ gafere ebe ụfọdụ, eriri ahụ na-agbaji.
Iji hụ na eriri anya nwere ike ịnwe ndụ ọrụ karịa afọ 20, eriri anya kwesịrị idobe ule nyocha ike.Naanị eriri anya nke na-emezu ihe achọrọ ka enwere ike iji maka ịgbanye eriri.
E gosipụtara ihe achọrọ maka ike eriri na mba ndị ọzọ na tebụl.
Nrụgide eriri anya nwere ike ime gụnyere:
(1) nsogbu nke eriri anya n'oge cabling;
(2) Nsogbu nke eriri anya nke ihe ụfọdụ kpatara mgbe ị na-etinye eriri anya;
(3) Nsogbu nke eriri anya na-akpata site na mgbanwe nke ọnọdụ okpomọkụ na-arụ ọrụ.
Dị ka data mba ọzọ si kwuo, mgbe eriri eriri anya nke eriri anya bụ 0.5%, ndụ ya nwere ike iru 20 ruo 40 afọ.
