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Description

The 980/1550nm Filter Wavelength Division Multiplexer (WDM) from DK Photonics is a high-performance optical component designed for advanced fiber optic communication and laser systems. Utilizing environmentally stable thin-film filter technology, this device efficiently combines or separates light at 980nm and 1550nm wavelengths, making it an essential element in modern WDM networks, fiber lasers, Raman amplifiers, and various fiber optic instruments.

Engineered for superior optical performance, the DK Photonics 980/1550nm Filter WDM offers exceptionally low insertion loss and minimal polarization dependence, ensuring signal integrity and system efficiency. Its ultra-flat, wide passband and high channel isolation enable precise wavelength management, which is critical for dense wavelength division multiplexing applications and high-capacity data transmission. The robust design also provides excellent environmental stability, maintaining reliable operation even in demanding conditions.

A notable advantage of this filter WDM is its high power handling capability, achieved through specialized pigtail processing and advanced anti-reflection (AR) coating techniques. This makes the device suitable for both standard and high-power applications, such as in fiber amplifiers and high-power fiber lasers. The component is available with various pigtail diameters, fiber lengths, and connector options, allowing for seamless integration into diverse optical setups and customized solutions for specific project requirements.

Overall, the DK Photonics 980/1550nm Filter WDM stands out for its combination of precision, reliability, and adaptability, making it a preferred choice for system integrators and engineers seeking to optimize the performance of their optical networks and laser systems.

980-1550nm Polarization Maintaining Filter WDM T980/R1550

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Specifications

Operating Wavelength: 980 nm
Isolation (min): 25 dB
Max Power Handling: 0.3 W
Polarization Maintaining: Yes
Wavelength: 980/1550 nm
Power Handling: <0.3 W / <0.7 W / 1 W / 2 W
Pigtails Diameter: 250 μm bare fiber / 900 μm loose tube / others
Fiber Length: 0.5 m / 0.8 m / 1.0 m / others
Connector: FC/APC or others
Insertion Loss (IL): 0.3 dB higher for each connector added
Return Loss (RL): 5 dB lower for each connector added
Pass Optical Power (with Connector): 2 W

Got questions about specs? Use the inquiry form to ask.

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Features

  • Low Insertion Loss: Ensures minimal signal loss for high-performance optical transmission.
  • Ultra Flat Wide Passband: Maintains consistent performance across a broad wavelength range for optimal signal integrity.
  • Wide Operating Wavelength Range: Supports both 980nm and 1550nm bands, ideal for various fiber optic applications.
  • High Channel Isolation: Effectively separates channels to minimize crosstalk and enhance system reliability.
  • Low Polarization Dependence: Delivers stable performance regardless of polarization state, suitable for demanding environments.
  • High Stability and Reliability: Built with environmentally stable thin-film filter technology for long-term, robust operation.
  • Excellent Environmental Stability: Designed to withstand temperature and humidity variations, ensuring consistent performance.
  • High Power Handling Capability: Supports up to 2W optical power (with heat sink package), suitable for high-power applications.
  • Customizable Configurations: Multiple options for wavelength, power handling, pigtail diameter, fiber length, and connectors to meet specific requirements.
  • High-Quality AR Coating: Reduces reflection losses and enhances overall device efficiency.
  • Compact and Flexible Packaging: Available in various package dimensions and fiber types for easy integration.

Applications

  • Erbium-Doped Fiber Amplifier (EDFA) Pump Laser Combining and Signal Multiplexing
    Efficiently combines 980nm pump laser and 1550nm signal for use in EDFA modules, enhancing amplification performance in optical communication systems.
  • Wavelength Division Multiplexing (WDM) Optical Networks
    Enables multiplexing and demultiplexing of 980nm and 1550nm wavelengths, supporting high-capacity data transmission in metro and long-haul fiber optic networks.
  • Fiber Laser Systems
    Integrates pump and signal wavelengths in fiber laser assemblies, improving power efficiency and output stability for industrial, medical, and research laser applications.
  • Raman Fiber Amplifiers
    Separates or combines pump and signal wavelengths in distributed Raman amplification systems, boosting signal strength and extending transmission distances.
  • Optical Transmitters and Receivers
    Facilitates wavelength management in transmitter and receiver modules, ensuring optimal signal routing and minimal loss in advanced optical communication equipment.
  • Fiber Optic Test and Measurement Instruments
    Used in optical spectrum analyzers, OTDRs, and other test devices to selectively filter and route 980nm and 1550nm signals for precise measurement and diagnostics.
  • Optical Add/Drop Multiplexers (OADM)
    Enables selective addition or removal of 980nm or 1550nm channels in WDM systems, increasing network flexibility and scalability.
  • System Monitoring and Signal Routing
    Supports real-time monitoring and management of specific wavelength channels in complex optical networks, aiding in fault detection and network optimization.
  • High-Power Fiber Laser Pump Combiners
    Handles high optical power for combining multiple pump sources in high-power fiber laser applications, thanks to robust AR coating and heat sink options.
  • Research and Development in Photonics
    Essential for laboratory setups requiring precise wavelength separation or combination, supporting innovation in fiber optic technology and photonics research.

Frequently Asked Questions

What is a 980/1550nm Filter Wavelength Division Multiplexer (WDM)?
A 980/1550nm Filter Wavelength Division Multiplexer (WDM) is an optical device that combines or separates light signals at 980nm and 1550nm wavelengths. It uses thin-film filter technology to achieve low insertion loss, high channel isolation, and excellent stability, making it ideal for fiber lasers, WDM networks, Raman amplifiers, and fiber optic instruments.
What are the key features of the DK Photonics 980/1550nm Filter WDM?
The DK Photonics 980/1550nm Filter WDM offers low insertion loss, wide operating wavelength range, ultra-flat wide passband, high channel isolation, high stability, and reliability. It also supports high power handling with specialized packaging and AR coating.
What applications are suitable for the 980/1550nm Filter WDM?
This filter WDM is widely used in system monitoring, WDM systems, fiber laser transmitters, fiber optical amplifiers, Raman amplifiers, and various fiber optic instruments.
How do I select the correct part number for ordering a DK Photonics Filter WDM?
To order, use the format FWDM-①-②-③-④-⑤, where you specify wavelength configuration (980nm pass/1550nm reflect or vice versa), power handling, pigtail diameter, fiber length, and connector type. Providing a detailed description of your requirements is recommended for custom orders.
What is the maximum optical power handling capability of the DK Photonics 980/1550nm Filter WDM?
The standard device can handle up to 2W of optical power with connectors. For higher power applications, a heat sink package is available upon request. Contact DK Photonics for details on high-power configurations.
How does the addition of connectors affect the performance of the Filter WDM?
Adding connectors increases the insertion loss by 0.3 dB and decreases the return loss by 5 dB for each connector. The maximum pass optical power is also limited to 2W when connectors are used.
Can the DK Photonics 980/1550nm Filter WDM be customized for specific requirements?
Yes, DK Photonics offers customization for wavelength, power handling, pigtail diameter, fiber length, and connector type. Customers are encouraged to provide detailed specifications when requesting custom parts.

Got more questions? Use the inquiry form to ask the supplier directly.

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