2×2偏振不敏感光隔離器(1310/1550/1585)
光隔離器只向一個方向傳輸光。這些裝置在防止反向反射和散射光到達敏感元件(如激光器)方面特別有用。
特性
高的隔離
低插入損耗
高收益損失
低極化靈敏度
無環氧光路
應用程序
光纖放大器
有線電視光纖鏈路
光纖系統測試
光纖局域網系統
電信
訂購參考信息
產品規格
Parameter | Unit | Specifications | |||||
---|---|---|---|---|---|---|---|
Package Type | Standard | Mini | |||||
Operating Wavelength | nm | 1310,1550,1585 or custom | |||||
Stage | Single | Dual | Single | Dual | |||
Grade | P | A | P | A | P | P | |
Typical Peak Isolation | dB | 41 | 40 | 58 | 53 | 35 | 50 |
Minimum Isolation | dB | ≥ 311) | ≥ 301) | ≥ 451) | ≥ 441) | ≥ 281) | ≥ 411) |
Typical Insertion Loss | dB | 0.52) | 0.62) | 0.72) | 0.82) | 0.452) | 0.62) |
Insertion Loss | dB | ≤ 0.73) | ≤ 0.83) | ≤ 0.83) | ≤ 0.93) | ≤ 0.63) | ≤ 0.73) |
Return Loss (In/Out) | dB | ≥ 60/55 | ≥ 55/50 | ||||
Crosstalk | dB | ≥ 60 | ≥ 55 | ≥ 60 | ≥ 55 | ≥ 55 | ≥ 55 |
Polarization Dependent Loss (PDL) | dB | ≤ 0.1 | ≤ 0.15 | ≤ 0.1 | ≤ 0.15 | ≤ 0.15 | ≤ 0.15 |
Polarization Mode Dispersion (PMD) | ps | ≤ 0.2 (0.05 Custom) | ≤ 0.1 (0.05 Custom) | ≤ 0.1 (0.05 Custom) | |||
Bandwidth | nm | ± 15 | ± 30 | ± 15 | ± 30 | ||
Optical Power | mW | ≤ 500 | |||||
Operating Temperature | °C | – 20 to +70 | |||||
Storage Temperature | °C | – 40 to +85 | |||||
Package Dimensions | mm | A=Standard, ? 5.5 x L34 for 250um fiber ? 5.5 x L38 for 900um fiber | N= Mini, ? 3.0 x L25 |
Note:
1) Overall bandwidth at 23°C
2) Not including connector, splice and fiber-end Fresnel losses.
3) Including PDL, operating wavelength range, -20° C to +70° C.
All values referenced are without connector.