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Polarization Maintaining Fiber Optic Patch Cord PM1310 PM1550 PM980 LC SC FC
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Product Highlights:
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Polarization maintaining fiber optic patch cords are designed to preserve the polarization state of light for precision optical systems and research applications.
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Built with high birefringence PM fiber and accurate axis alignment, they provide stable extinction ratio and low insertion loss performance.
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Available with LC, SC, or FC connectors and multiple PM fiber types for different wavelength applications.
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FiberMania offers OEM and ODM manufacturing with flexible customization, low MOQ, and reliable factory production for PM fiber assemblies.
Table of Contents
Description
Polarization Maintaining (PM) Fiber Optic Patch Cords are designed to preserve the polarization state of transmitted light, which is critical in systems where polarization stability directly affects measurement accuracy and signal integrity. Unlike standard single mode patch cords, PM fibers incorporate a specialized internal structure that creates strong birefringence, allowing the light to maintain a fixed polarization orientation as it propagates through the fiber.
These patch cords are engineered with precise slow-axis and fast-axis alignment to ensure minimal polarization drift. The optimized fiber geometry helps reduce the influence of external stress, bending, or temperature changes that could otherwise alter the polarization state. As a result, PM patch cords are widely used in high-precision optical systems such as interferometry, fiber optic sensing, laser transmission, and laboratory research applications.
FiberMania manufactures polarization maintaining patch cords using high-quality PM fibers and precision connector termination processes. Each assembly is carefully controlled to ensure low insertion loss, high return loss, and stable extinction ratio performance. Multiple connector types and cable diameters are available, making them compatible with a wide range of optical equipment and integration environments.
Specification
| Fiber Type | PM850 / PM980 / PM1310 / PM1550 |
|---|---|
| Connector Type | LC / SC / FC |
| Polish Type | UPC / APC |
| Cable Diameter | 0.25mm / 0.9mm / 2.0mm / 3.0mm |
| Center Wavelength | 850nm / 980nm / 1310nm / 1480nm / 1550nm |
| Insertion Loss | ≤0.8 dB (850nm) |
| Return Loss | UPC ≥50 dB / APC ≥60 dB |
| Extinction Ratio | ≥23 dB |
| Axis Alignment Accuracy | ±3° |
| Axis Type | Slow Axis / Fast Axis |
| Operating Temperature | -5°C to +70°C |
| Storage Temperature | -40°C to +80°C |
Features
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High polarization extinction ratio for stable signal transmission
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Precise slow axis / fast axis alignment with ±3° accuracy
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Low insertion loss and excellent return loss performance
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Supports LC, SC, and FC connector interfaces
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Available PM fiber types including PM850, PM980, PM1310, and PM1550
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Multiple cable diameters available: 0.25mm, 0.9mm, 2.0mm, and 3.0mm
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Compatible with UPC and APC polishing options
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Stable operation across a wide temperature range
Applications
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Fiber optic sensing systems
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Optical interferometers
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Laser delivery and laser systems
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Polarization-sensitive optical instruments
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Optical communication laboratories
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Quantum optics and photonics research
FAQ
What is the difference between a polarization maintaining patch cord and a standard fiber patch cord?
A polarization maintaining patch cord is designed to keep the polarization state of light stable during transmission, while standard fiber patch cords do not control polarization and may cause polarization changes due to stress or bending.
Which wavelengths are typically supported by PM fiber patch cords?
Common center wavelengths include 850nm, 980nm, 1310nm, and 1550nm. The appropriate wavelength depends on the PM fiber type and the specific optical system requirements.
What connectors are available for polarization maintaining patch cords?
PM patch cords are commonly available with LC, SC, and FC connectors, and can be polished with either UPC or APC depending on the required return loss performance.
Can the axis alignment be customized for specific equipment?
Yes. The slow-axis or fast-axis alignment can be specified based on the optical interface of the equipment, and precise alignment tolerance can be controlled during manufacturing.
Do you support custom cable lengths and packaging?
Yes. Cable length, fiber type, connector combination, labeling, and packaging can all be customized to meet project requirements or OEM branding needs.
Quality Qulifications and Compliance
To get the detailed certification, please go to the Compliance.
Please Note: Our products comply with all internationally recognized and industry-standard specifications. For customized or special requirement products, we carry out testing and standards in accordance with the conformity criteria specified in the contract.
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