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Home WDM, OTN & PON Passive Components Fiber Attenuators Hot DWDM Tunable VOA In-line Module | Programmable Variable Optical Attenuator for Dense Wavelength Division Multiplexing Systems

DWDM Tunable VOA In-line Module | Programmable Variable Optical Attenuator for Dense Wavelength Division Multiplexing Systems

DWDM Tunable VOA In-line Module | Programmable Variable Optical Attenuator for Dense Wavelength Division Multiplexing Systems

DWDM Tunable VOA In-line Module | Programmable Variable Optical Attenuator for Dense Wavelength Division Multiplexing Systems

Brand:

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Specifications

Description

The DWDM Tunable VOA (Variable Optical Attenuator) In-line Module is a precision optical component designed for Dense Wavelength Division Multiplexing (DWDM) systems. It provides adjustable attenuation on specific wavelength channels, enabling dynamic control of optical power levels in DWDM networks.

Specifications

Type: Tunable Variable Optical Attenuator (VOA)
Module Form Factor: In-line fiber optic module, typically with fiber pigtails or connectors for easy integration
Wavelength Range: Tuned for DWDM channels, typically covering C-band (1528 nm – 1565 nm) or optionally extended bands (S, L)
Attenuation Range: Typically 0 to 30 dB (or more), continuously adjustable
Insertion Loss: Low baseline loss when set to 0 dB, typically <1.5 dB
Polarization Dependent Loss (PDL): Very low, typically <0.1 dB
Return Loss: High, typically =55 dB
Control Method: Manual dial/knob, electronic control (via voltage/current), or remote control (via software or network management) depending on model
Fiber Type: Single-mode fiber (9/125 µm) with standard DWDM connectors (LC/APC, FC/APC, or SC/APC)
Max Input Power: Typically up to +23 dBm (200 mW)
Operating Temperature: –5°C to +70°C (varies by model)

Features

Tunable attenuation: Precise power control on individual DWDM channels
Low insertion loss and low PDL: Maintains signal quality and polarization state
High return loss: Minimizes back reflections in DWDM systems
Compact in-line design: Easy integration into fiber lines or DWDM modules
Flexible control options: Manual, electronic, or remote control capabilities available
Stable and repeatable: Ensures consistent attenuation settings over time
Broad DWDM wavelength support: Compatible with ITU grid channel spacing (e.g., 50 GHz or 100 GHz)

Ideal Use Cases

Power equalization in DWDM networks: Balances channel powers for optimal system performance
Dynamic channel management: Adjusts signal strength based on network conditions or upgrades
Test and measurement: Simulates different attenuation scenarios in lab or field testing
Protecting optical receivers: Prevents receiver saturation by adjusting input power dynamically
Optical network management: Integrated into ROADMs, OADMs, or mux/demux modules for smart attenuation

Why Choose a DWDM Tunable VOA In-line Module?

Fine-tuned attenuation control allows maintaining balanced optical power across DWDM channels.
Improves overall network performance and reliability by preventing channel overload or under-powering.
Flexible integration options with various connector types and control methods.
Compact, reliable design fits well into existing DWDM systems without major modifications.
Enables advanced optical network features like dynamic channel provisioning and protection switching.

Features

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New

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