Optical Attenuators, or fiber optic attenuators, are used in optical communications to reduce optical fiber power at a certain level. Generally, the attenuator types are classified by connector types and attenuation levels. A common version is the female to male plug type bulkhead attenuator which has a connector at one side and a adapter at the other side. Powerlink provides optical attenuators with various connector types, such as FC/SC/ST/LC/E2000, available with APC or UPC polish. Our fixed attenuators can be with different attenuation levels from 1 dB to 60 dB (step by 1 dB), while the variable optical attenuators (generally used as in-line attenuators) can be with a range of 0 ~ 60 dB. Customers can buy these attenuators directly in this category or Make Customized Orders

The In-line Variable Optical Attenuator
The in-line variable optical attenuator (VOA) is manually-adjusted, used for precisely balancing the signal strengths in fiber circuits, or balancing an optical signal when evaluating the dynamic range of the measurement system.
Key Features
High Precise attenuation value
Perfect environmental stability and reliability
Low additional loss
Flawless end face
Wide attenuation range (variable)
Applications
Fiber optical telecommunication system
FTTH, CATV, LAN
Subscriber loop
Fiber optical sensor
Testing equipment
Technical Specifications
Wavelength: 1260~1610nm
Cable option: 3mm cable
Connectors: SC/APC-SC/APC
Length: 1 meters
Fiber Type: Singlemode
Core/Cladding: 9μm / 125μm
Initial Insertion Loss: < 1.0dB
Attenuation Range: 0-60dB
Return Loss: UPC: >55dB APC: >65dB
Operating Temperature Range: -20°C to +80°C

Wavelength: 1310 or 1550nmBandwith(nm): +/-40Attenuation Range: 0.6~60dBOriginal loss: <0.6dBPrecision: 0.02dBPDL: <0.10dBReturn Loss: UPC: >55dB APC: >65dBCable option: 2mm cable