Mvetsetsani mafunde a 850nm, 1310nm ndi 1550nm mu fiber

Mvetsetsani mafunde a 850nm, 1310nm ndi 1550nm mu fiber

Kuwala kumafotokozedwa chifukwa cha kuchuluka kwake, ndipo kuwala komwe kugwiritsidwa ntchito kuli kudera la infrated, komwe kuwala kwa kuwalaku ndikokulirapo kuposa kuwala kowoneka. Kuyankhulana kwatseko kwame, kamphepo kazinthu 800 mpaka 1600nm, ndipo zomwe zimagwiritsidwa ntchito kwambiri ndi 850nm, 1310nm ndi 1550nm.

GAWO Loyambira:

Pamene fluxightighting imasankha kufalitsa kufalikira, kumawoneradi kutaya kwake komanso kufalitsa. Cholinga ndikufalitsa zambiri ndi kuchepa kocheperako patali kwambiri. Kutayika kwa mphamvu ya siginecha pakupatsirana ndikosakwanira. Kulakalaka kumakhudzana ndi kutalika kwa mafunde, mafundewo, ocheperako. Kuwala komwe kumagwiritsidwa ntchito pazemba kuli nthawi yayitali pa 850, 1310, 1550nm, kotero kulumikizidwa kwa fiber ndi yocheperako, yomwe imapangitsanso kutayika pang'ono. Ndipo mavesi atatu awa ali ndi mayamwidwe zero zero, omwe ali oyenera kufalikira mu ulusi wowoneka bwino monga kuwala.

GAWO Loyambira:

Kuyankhulana kwatseko kwamitengo, fiberi yopenga imatha kugawidwa munjira imodzi ndi mitundu. Chigawo cha 850nm chimakhala njira yolumikizira mitu yambiri, 1550nm ndi njira imodzi, ndipo 1310nm ili ndi mitundu iwiri ya njira imodzi ndi mawonekedwe. Ponena za ITU-T, Kuzindikira kwa 1310nm tikulimbikitsidwa kukhala ≤0.4db / km, ndi kuwerengera kwa 1550nm ndi ≤0.3db / km. Ndipo kutayika kwa 850nm ndi 2.5db / km. Kutayika kwa fiber kumachepa monga momwe mafunde amawonjezerera. Centerleththth ya 1550 nm kuzungulira c-band (1525-1565nm) nthawi zambiri limatchedwa zenera la zero, lomwe limatanthawuza kuti cholumikizira cha quartz chili chocheperako kwambiri.

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