偏振不敏感光環行器(3 & 4端口)
光環行器通過一系列端口只向一個方向發送光。進入端口1的光必須進入端口2，從端口2進入的光必須進入端口3，依此類推。
特性
低插入損耗
寬帶，高隔離
低PDL
緊湊直列封裝
高穩定性和可靠性
無環氧光路
應用程序
光放大器
城域網
波長添加/刪除
色散補償
雙向的溝通
產品規格
| Parameter | Unit | Specifications | ||||
|---|---|---|---|---|---|---|
| Number of Ports | 3 | 4 | ||||
| Operating Wavelength | nm | 1310, 1550, or 1585 | 1650 | 1310 or 1550 | ||
| Bandwidth | nm | ± 30 | ± 25 | ± 30 | ||
| Grade | P | A | P | p | A | |
| Typical Peak Isolation | dB | 50 | ||||
| Minimum Isolation* | dB | ≥40@±30nm ≥32@±50nm | ≥40@±30nm ≥32@±50nm | ≥32 | ≥ 40 | ≥ 40 |
| Configuration | P1 – P2 and P2- P3 | P1 – P2, P2 – P3 and P3 – P4 | ||||
| Insertion Loss | dB | Typ.: 0.6 Max.: ≤0.8 | Typ.: 0.8 Max.: ≤1.0 | Typ.: 1.0 Max.: ≤1.5 | Typ.: 0.8 Max.: ≤1.0 | Typ.: 1.0 Max.: ≤1.2 |
| Return Loss (In/Out) (Min) | dB | ≥ 50 | ≥ 40 | ≥ 50 | ||
| Polarization Dependent Loss (PDL) | dB | ≤ 0.15 | ≤ 0.25* | ≤ 0.15 | ||
| Polarization Mode Dispersion (PMD) | ps | ≤ 0.10 | ≤ 0.20 | ≤ 0.10 | ||
| Channel Crosstalk | dB | ≥ 50 | ≥ 45 | ≥ 50 | ||
| Optical Power | mW | ≤ 300 | ||||
| Operating Temperature | °C | 0 to +70 | ||||
| Storage Temperature | °C | – 40 to +85 | ||||
| Package Dimensions | mm | A=? 5.5 x L63 M=? 5.5 x L50 | A=? 5.5 x L68 (250um fiber) ? 5.5 x L72 (900um fiber) | |||
Note:
* Measured at 23°C
IL is 0.3 dB higher and RL is 5 dB lower for each connector added.
All values referenced are without connector.
