VOA Variable Attenuators

VOA (Variable Optical Attenuators) are devices used in fiber optic communication systems to control the power level of an optical signal, ensuring optimal network performance. They allow for precise adjustment of signal strength, which is crucial for preventing receiver overload and balancing power across channels in Wavelength Division Multiplexing (WDM) systems. VOAs can be manually or automatically controlled, with designs based on technologies like MEMS, LCD, or fiber bending. Commonly used in testing, signal equalization, and dynamic power control in DWDM systems, VOAs play a vital role in maintaining signal quality and enhancing the reliability of optical networks.
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  • SKU: 75664
    0~40dB Single-Channel MEMS Variable Optical Attenuator $119.61

    The 0~40dB Single-Channel MEMS Variable Optical Attenuator is an optical device based on Micro-Electro-Mechanical Systems (MEMS) technology, capable of precisely adjusting the optical signal strength within a range of 0 to 40dB for a single channel. It utilizes miniature structures such as MEMS micromirrors and achieves mechanical adjustment of the optical path through electrical control. This device offers advantages such as fast response time, compact size, low power consumption, and high stability. It is widely used in optical fiber communication systems, optical power management, EDFA systems, passive optical networks (PON), and laboratory testing. Its main functions include dynamically adjusting optical power, balancing signal strength, and protecting receiving equipment from strong signals, making it a key component in high-performance optical networks.

  • SKU: 50581
    1310/1550nm Polarization Maintaining In-Line Variable Optical Attenuator (VOA) $224.64

    Optimize optical signal power with the 1310/1550nm Polarization Maintaining In-Line Variable Optical Attenuator (PM VOA). Featuring adjustable attenuation, low insertion loss, and stable polarization, it's perfect for fiber optic communication, sensing, and quantum applications.

  • SKU: 50490
    1310/1550nm Singlemode In-Line Variable Optical Attenuator (VOA) $113.16

    1310/1550nm Singlemode In-Line Variable Optical Attenuator (VOA) is a high-performance fiber optic component designed for precise optical power control in singlemode fiber networks operating at 1310nm and 1550nm wavelengths. This in-line variable optical attenuator features continuously adjustable attenuation, low insertion loss, and high return loss for stable, repeatable results. Constructed with premium singlemode optical fiber and high-quality connectors, it is ideal for DWDM systems, optical testing, network simulation, and power equalization in FTTH, data centers, and telecommunication networks. The compact, robust design ensures reliable operation over a wide temperature range, making it suitable for both lab testing and field deployment.

  • SKU: 80043
    780nm Polarization Maintaining In-Line Variable Optical Attenuator (VOA) $390.43

    The 780nm Polarization Maintaining In-Line Variable Optical Attenuator (PM In-Line VOA) is used to precisely adjust the power of 780nm optical signals while ensuring that the polarization state (Polarization Maintaining, PM) of the optical signal remains unchanged. It adopts an in-line structure and can be directly integrated into the optical fiber system. It is widely used in the fields of optical fiber sensing, quantum optics, laser systems and bio-optics research.

  • SKU: 80024
    850nm Multimode In-Line Variable Optical Attenuator (VOA) $129.48

    850nm Multimode In-Line Variable Optical Attenuator (VOA) is designed for precise optical power control in multimode fiber networks operating at the 850nm wavelength. Built with high-quality optical components and a robust in-line housing, it ensures low insertion loss, high return loss, and excellent repeatability over repeated adjustments. This VOA is ideal for balancing signal levels, testing system margin, and simulating optical loss in applications such as local area networks (LANs), data centers, and multimode communication systems. Compact and lightweight, it supports easy integration into existing cabling setups, providing a cost-effective and reliable solution for multimode attenuation needs.

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