保偏机械式光衰减器
Polarization Mode Mechanical VOA
光纤可调衰减器是专用于手动调节光纤光路衰减的产品，衰减范围大，调节精度高，衰减值稳定，结构紧凑便于集成。另可提供电控的模块式光衰减器和台式光衰减器仪表。
Fiber optical adjustable attenuator is a product which is dedicated manually to adjust the attenuation of fiber optical path. It has a large attenuation range, high adjustment accuracy, stable attenuation value, compact structure and easy integration. In addition, It can provide electronic control modular optical attenuator and benchtop optical attenuator instrument.
参数指标 Parameters
| 单位 Unit | 最小值 Min. | 典型值 Typ.
| Max. |
波长范围Typical value
| nm | 1260-1650nm 或 980nm/1064nm
| ||
衰减范围Attenuation range
| dB | 0 | 60 | |
衰减精度Attenuation accuracy | dB | ±0.2 | ||
功率监控精度Power monitoring accuracy | dB | ±0.15 | ||
消光比Extinction ratio
| db | ≥18 | ||
光功率Transmission optical power | mW | 500 | ||
插入损耗Insertion loss | dB | 1 | ||
波长相关损耗WDL | dB | 1 | ||
偏振相关损耗PDL | dB | 0.5 | ||
工作温度范围Operating temperature range | °C | -20 | +65 | |
工作湿度范围Operating humidity range | % | 70 | ||
尾纤接头类型Fiber type | FC/APC, FC/UPC | |||
输入输出光纤类型Wavelength (nm) | PM1550 | |||
尺寸Dimensions | mm | 20.90(L)×12(W)×7(H) | ||
