Polarization Maintaining 1550/980nm WDM - PMFWDM-1550/980-5.5*35-PM1550/Hi1060-1-0-N-F
Description
The CSRayzer Polarization Maintaining Filter Wavelength Division Multiplexer (PMFWDM-1550/980 Series) is a compact and high-performance optical component designed to separate or combine wavelengths with precision in polarization-maintaining (PM) fiber systems.
Utilizing advanced thin-film filter technology, it operates on the principle of wavelength-selective filtering, transmitting one wavelength while reflecting another. It supports a 1550 nm pass and 980 nm reflect configuration and is ideal for use in erbium-doped fiber amplifiers (EDFAs), fiber laser systems, and other PM applications.
The component features low insertion loss, excellent isolation, high extinction ratio (≥20 dB), and low polarization-dependent loss (≤0.1 dB). The slow axis is aligned for transmission, while the fast axis is blocked, ensuring precise polarization control.
The device is capable of handling up to 500 mW of average optical power, with a robust design housed in a Ø5.5 × 35 mm steel tube for enhanced mechanical stability. Whether for continuous wave or pulse applications, the PMFWDM provides long-term reliability and performance across a broad operating temperature range of 0°C to +75°C.
Polarization Maintaining 1550/980nm WDM - PMFWDM-1550/980-5.5*35-PM1550/Hi1060-1-0-N-F
Specifications |
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|---|---|
| Operating Wavelength: | 1550 nm |
| Operating Bandwidth: | 1550 nm |
| Isolation (min): | 30 dB |
| Max Power Handling: | 0.5 W |
| Polarization Maintaining: | Yes |
| Structure: | 1*2 |
| Fiber Type: | PM1550/Hi1060 |
| Extinction Ratio: | 20 dB |
| Reflection Wavelength: | 980 ± 20 nm |
| Insertion Loss (Passband): | ≤0.8 dB |
| Insertion Loss (Reflection): | ≤0.8 dB |
| Polarization Dependent Loss: | ≤0.1 dB |
| Return Loss: | ≥50 dB |
| Average Optical Power: | ≤500 mW |
| Extinction Ratio: | ≥20 dB |
| Fiber Length: | 1.0 ± 0.2 m |
| Working Axis: | Slow Axis, Fast Axis Blocked |
| Package Size: | Ø5.5 × 35 mm |
| Operating Temperature: | 0 to +75 °C |
| Storage Temperature: | -40 to +85 °C |
Features
- Polarization Maintaining Design: Ensures stable performance with slow axis transmission and fast axis blocked
- High Isolation: ≥30 dB in the passband, ensuring clean signal separation
- Low Insertion Loss: ≤0.8 dB for both pass and reflect wavelengths
- High Extinction Ratio: Maintains polarization purity with ≥20 dB
- High Return Loss: Minimizes back reflection with ≥50 dB return loss
- Compact & Durable: Stainless steel package (Ø5.5 × 35 mm) for robust deployment
- High Power Handling: Supports up to 500 mW average optical power
Applications
- EDFA Pump Laser Combiners: Efficiently manage signal and pump light
- Fiber Laser Systems: Combine or separate laser wavelengths with PM integrity
- Quantum Communication: Supports polarization-sensitive applications
- Sensor Networks: Reliable wavelength separation in harsh environments
- Laboratory Research: Ideal for polarization-sensitive photonics experiments
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How to order?
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Ships from:
China
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Sold by:
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On FindLight:
since 2020
Frequently Asked Questions
The PMFWDM-1550/980 is designed to combine or separate two wavelengths—1550 nm and 980 nm—while maintaining the polarization state of light. The 1550 nm signal passes through the device, while the 980 nm signal is reflected, making it ideal for applications such as EDFA pump combining and fiber laser systems.
Polarization maintaining is crucial in systems that rely on stable polarization states, such as interferometry, quantum optics, and PM fiber lasers. This device ensures the slow axis of the fiber is used for light transmission while the fast axis is blocked, minimizing polarization drift and signal degradation.
The PMFWDM-1550/980 can handle up to 500 mW of average optical power, making it suitable for high-power applications in laser and amplifier systems.
Yes, the device features a broad operating temperature range of 0 to +75°C and a storage range of -40 to +85°C, ensuring stable performance in various environments. Its compact stainless-steel housing also adds to its mechanical durability.
The device is compatible with PM1550 or Hi1060 fibers, depending on the application requirements. These fibers help maintain signal polarization and ensure compatibility with most standard PM optical systems.