OVD ilana: 185mm G.657.A1 Optical Fiber Preform
Preform ni pato
Preform Mefa
Awọn iwọn preform yoo jẹ bi ninu Table 1.1 ni isalẹ.
Table 1.1 Preform Mefa
Nkan | Awọn ibeere | Akiyesi | |
1 | Àpapọ̀ Opin Ilẹ̀ Fọ́mù (OD) | 135 ~ 160 mm | (Akiyesi 1.1) |
2 | O pọju iwọn ila opin Preform (ODmax) | ≤ 160 mm | |
3 | Iwọn Iwọn Preform ti o kere julọ (ODmin) | ≥ 130 mm | |
4 | Ifarada ti OD (laarin Preform) | ≤ 20 mm (ni apakan taara) | |
5 | Ipari Preform (pẹlu apakan mimu) | 2600 ~ 3600 mm | (Akiyesi 1.2) |
6 | Ipari to munadoko | ≥ 1800 mm | |
7 | Taper ipari | ≤ 250 mm | |
8 | Opin ni opin taper | ≤ 30 | |
9 | Preform Non-iyipo | ≤ 1% | |
10 | Aṣiṣe aifọwọyi | ≤ 0.5 μm | |
11 | Ifarahan | (Akiyesi 1.4&1.5) |
Olusin 1.1 Apẹrẹ ti Preform
Akiyesi 1.4: Awọn nyoju ti o wa ni agbegbe ita gbangba (wo Nọmba 1.2) yoo gba laaye, da lori iwọn; Nọmba awọn nyoju fun iwọn ẹyọkan ko ni kọja iwọnyi ti a ṣeto sinu tabili 1.2 ni isalẹ.
Table 1.2 Bubble ni a Preform
Ipo ati Iwọn ti Bubble | Nọmba / 1,000 cm3 | |
Ekun Core (= koko + ibora inu) | (Wo Akọsilẹ 1.5) | |
Lode Cladding Region (= wiwo wiwo + ita gbangba) | 0.5 mm | Ko si Ika |
0,5 ~ 1.0 mm | ≤ 10 | |
1.0 ~ 1.5 mm | ≤2 | |
1.5 ~ 2.0 mm | ≤ 1.0 | |
2.1 mm ~ | (Wo Akọsilẹ 1.5) |
Ṣe nọmba 1.2 Iwoye apakan-agbelebu ti Preform
Ṣe nọmba 1.2 Iwoye apakan-agbelebu ti Preform
Gbigba agbara iwuwo
Àkọlé Okun Abuda
Nigbati awọn ipo iyaworan ati awọn ipo wiwọn jẹ aipe ati iduroṣinṣin, awọn apẹrẹ yoo nireti lati pade awọn pato okun afojusun bi o ti han ni Table 2.1.
Table 2.1 Àkọlé Okun Abuda
Nkan | Awọn ibeere |
| |
1 | Attenuation ni 1310 nm | ≤ 0.35 dB/km |
|
Attenuation ni 1383 nm | ≤ 0.35 dB/km | (Akiyesi 2.1) | |
Attenuation ni 1550 nm | ≤ 0.21 dB/km |
| |
Attenuation ni 1625 nm | ≤ 0.23 dB/km |
| |
Isokan ti Attenuation | ≤ 0.05 dB/km ni 1310&1550 nm |
| |
2 | Iwọn Iwọn aaye ni 1310 nm | 9.0 ± 0.4 µm |
|
3 | Cable Cutoff Weful (λcc) | ≤ 1260 nm |
|
4 | Odo Itankale Weful (λ0) | 1300 ~ 1324 nm |
|
5 | Pipin ni 1285 ~ 1340 nm | -3.8 ~ 3.5 ps/(nm·km) |
|
6 | Pipin 1550 nm | 13.3 ~ 18.6 ps/(nm·km) |
|
7 | Pipin 1625 nm | 17.2 ~ 23.7 ps/(nm·km) |
|
8 | Ite pipinka ni λ0 | 0.073 ~0.092 ps/(nm2·km) |
|
9 | Mojuto/Cladding Concentricity aṣiṣe | ≤ 0.5 µm |
|
10 | Makiro atunse Induced Isonu | (Akiyesi 2.2) | |
Iwọn 30mm, 10 yiyi, ni 1550nm | ≤ 0.25 dB | ||
Iwọn ila opin 30mm, awọn iyipada 10, ni 1625nm | ≤ 1.0 dB | ||
Iwọn 20mm, 1 tan, ni 1550nm | ≤ 0.75 dB | ||
Iwọn 20mm, 1 tan, ni 1625nm | ≤ 1.5 dB |