Nūhou

1. E wehewehe i nā ʻāpana o nā fiber optical.

A: Aia i ʻelua ʻāpana kumu ka fiber optical: kahi kumu a me nā pale i hana ʻia me nā mea ʻike maka a me kahi papa uhi.

2. He aha nā ʻāpana kumu e wehewehe i nā hiʻohiʻona hoʻoili o nā laina fiber optical?

A: e pili ana i ka nalowale, ka hoʻopuehu, ka bandwidth, ka lōʻihi o ka hawewe ʻokiʻoki, ke anawaena kahua mode, etc.

3. He aha nā kumu o ka attenuation fiber optical?

A: ʻO ka attenuation fiber Optical e pili ana i ka hoʻemi ʻana i ka mana optical ma waena o ʻelua ʻāpana keʻa o kahi fiber optical, e pili ana i ka lōʻihi hawewe.ʻO nā kumu nui o ka attenuation ka hoʻopuehu ʻana, absorption a me ka nalowale optical ma muli o nā mea hoʻohui a me nā mea hoʻohui.

4. Pehea e ho'ākāka 'ia ai ka attenuation coefficient o ka fiber optical?

A: Ua wehewehe ʻia e ka attenuation no ka lōʻihi o ka lōʻihi o ke kaula like ʻole i kahi kūlana paʻa (dB/km).

5. He aha nā poho hoʻokomo?

A: Attenuation ma muli o ka hoʻokomo ʻana o kahi mea ʻike (e like me ka mea hoʻohui a i ʻole ka mea hoʻohui) i loko o kahi laina hoʻoili optical.

6. He aha ka bandwidth o ka fiber optical e pili ana?

A: ʻo ka bandwidth o ka fiber optical e pili ana i ke alapine modulation kahi i hoʻemi ʻia ai ka amplitude o ka mana optical e 50% a i ʻole 3dB mai ka amplitude o ka zero frequency i ka hana hoʻololi o ka fiber optical.ʻO ka bandwidth o kahi fiber optical e like me ka inversely proportional i kona lōʻihi, a ʻo ka huahana o ka lōʻihi bandwidth he mau.

7. ʻEhia ʻano hoʻopuehu i loko o ka fiber optical?Me ke aha?

A: ʻO ka hoʻopuehu ʻana o ka fiber optical e pili ana i ka hoʻonui ʻia ʻana o ka lohi o ka hui i kahi fiber optical, me ka hoʻopuehu ʻana o ke ʻano, ka hoʻopuehu ʻana o nā mea a me ka hoʻopuehu ʻana o ka hale.Pili ia i nā ʻano o ke kumu māmā a me ka fiber optical.

8. Pehea e wehewehe ai i nā ʻano hoʻopuehu o ka hoʻolaha ʻana o ka hōʻailona ma ka fiber optical?

Pane: hiki ke wehewehe ʻia e ʻekolu mau mea kino: ka hoʻonui ʻana i ka pulse, ka bandwidth fiber optical a me ka dispersion coefficient.

9. He aha ka lōʻihi nalu oki?

A: E pili ana ia i ka lōʻihi hawewe pōkole loa i loko o kahi fiber optical hiki ke alakaʻi i ke ʻano kumu.No nā fiber mode hoʻokahi, pono e ʻoi aku ka pōkole o ka nalu ʻoki ʻia ma mua o ka lōʻihi o ka nalu o ke kukui i hoʻouna ʻia.

10. He aha ka hopena o ka dispersion o ka fiber optical i ka hana o ka ʻōnaehana kamaʻilio fiber optical?

A: ʻO ka hoʻopuehu ʻana o ka fiber e hoʻonui i ka pulse optical i kona hele ʻana i ka fiber.Hoʻopili i ka nui o ka hapa hapa hapa, a me ka lōʻihi o ka mamao o ka hoʻouna ʻana, a me ka nui o ka wikiwiki o ka ʻōnaehana.

ʻO ka hoʻonui ʻia ʻana o nā pulses optical i nā fiber optical i hoʻokumu ʻia e nā hui like ʻole o nā hawewe like ʻole i nā ʻāpana spectral o ke kumu kukui.

11. He aha ka backscattering?

A: ʻO ka backscattering kahi ala e ana i ka attenuation ma ka lōʻihi o kahi fiber optical.ʻO ka hapa nui o ka mana optical i loko o ka fiber e hoʻolaha i mua, akā liʻiliʻi ka liʻiliʻi i hope i ka luminator.Hiki ke ʻike ʻia ke kaʻe manawa o ka backscattering me ka hoʻohana ʻana i ka splitter optical ma ka mea luminescence.I kekahi hopena, ʻaʻole hiki ke ana wale ʻia ka lōʻihi a me ka attenuation o ka fiber i hoʻopili ʻia, akā hiki ke ana ʻia ka irregularity kūloko, breakpoint a me ka nalowale o ka mana optical i hana ʻia e ka mea hoʻohui a me ka mea hoʻohui.

12. He aha ke kumu ho'āʻo o ka optical time domain reflectometer (OTDR)?He aha kāna hana?

Pane: OTDR ma muli o ka backscattering kukui a me Fresnel noonoo kumu, ke hoʻohana i ka malamalama propagation i ka optical fiber attenuation o backscatter malamalama e loaa ka ike, hiki ke hoʻohana no ke ana optical attenuation, splicing poho, fiber optic hewa wahi positioning a maopopo i ke kūlana. ʻO ka hāʻawi ʻana i ka pohō ma ka lōʻihi o ka fiber optical, etc., he ʻāpana koʻikoʻi o ke kūkulu ʻana i ke kaula fiber optic, mālama a me ka nānā ʻana.ʻO kāna mau ʻāpana nui e pili ana i ka laulā dynamic, sensitivity, resolution, ana manawa a me kahi makapō.