Shenzhen Jiangfan Communication Equipment Co., Ltd.
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Fiber Optical Attenuator Palorization Maintaining Optical Fiber VOA
The PM VOA is used to manually adjust the attenuation of laser power, so as to adjust power in a fiber optic system, and to evaluate the dynamic range of a fiber optic systems. A manual rotation knob can be used to adjust the attenuation of laser power. Multiple wavelengths (630-1550 nm) are available.
◇Features:
Low Insertion Loss & Low PDL
Low Power Consumption
Low WDL &Compact Design
Insensitive to Shock and Vibration
High Reliability and Stability
◇ Application:
Fiber Optic CATV
Gain-tilt control in EDFAS
Receiver protection
Channel on/off switching
◇ Specifications:
| Parameter | Value |
| Wavelength (nm) | 1310,1550 or 1310/1550 |
| Ban dwidth( nm) | 40 |
| Attenuation range (dB) | 0.6 ~40 |
| Original loss (dB) | <0.6 |
| Extinction ratio (dB) | >20 |
| Return loss(dB) | >50 |
| Adjustment Precision (dB) | 0.02 |
| Fiber type | PM 1310, PM1550 |
| Dimensions (mm) | 26x 18x 8 or Specify |
| Operating temperature (°C) | -5 ~ +70 |
| MOVA | Wavelength | Shell Material | Dimension | Pigtail | Fiber Type | Pigtail Length | Connecor |
| 1064nm 1310nm 1550nm 980nm 850nm X=specify | Aluminium Alloy Stainless Steel Cuprum X=Specify | 1=28x18x8mm 2=26x18x8mm 3=15x18x8mm X=specify | B= Bare fiber 1=900um Loose tube 2=2mm Loose tube 3=3mm Loose tube X=specify | 1=SMF-28e 2=H11060 3=50/125 4=62.5/125 x=Specify | 1=1M 2=1.5 3=2M 4=3M x=specify | NE-None FA-FC/APC SC-SC/UP LC=LC/UPC xx=Other |