Shenzhen Optico Communication Co., Ltd. is one of the most credible manufacturers and suppliers of pm980 polarization maintaining fiber in China. Please feel free to wholesale high quality customized products at competitive price form our factory. If you have any enquiry about free sample, please feel free to email us.
Product Profile
YOFC PM980 Panda Type Polarization Maintaining Fiber is designed for fiber optic gyroscopes, polarization-sensitive components, fiber sensors, laser systems, and other applications requiring stable polarization transmission. With low attenuation, high birefringence, and reliable polarization-maintaining performance, the fiber supports accurate and stable optical signal transmission.
Manufactured using advanced PCVD (Plasma Chemical Vapor Deposition) technology, the fiber features a precise refractive index profile, excellent geometric symmetry, high longitudinal uniformity, and stable optical performance. Its dual-layer UV-cured coating provides reliable environmental protection and supports operation across a wide temperature range from −45°C to +85°C.
OPTICO maintains long-term cooperation with YOFC. We can provide reliable supply, customized fiber lengths, technical support, and competitive pricing for bulk orders and long-term projects.

Product Specifications
| Parameter | PM 980 125-12/250 | PM 980 125-12/400 |
| Operating Wavelength(nm) | 980 | |
| Cutoff Wavelength (nm) |
800–970
|
|
| Mode Field Diameter (μm) | 6.5 ± 1.0 | |
| Attenuation (dB/km) | ≤2.5 | |
| Beat Length (mm) | ≤3.0 | |
| Typical Crosstalk at 4m (dB) | ≤−40 | |
| Typical Crosstalk at 100m (dB) | ≤−25 | |
| Cladding Diameter (μm) | 125.0 ± 1.0 | |
| Coating Diameter (μm) | 245.0 ± 7.0 | 400.0 ± 15.0 |
| Cladding Non-Circularity (%) | ≤1.0 | |
| Core-to-Cladding Concentricity Error (μm) | ≤1.0 | |
| Coating Structure | Dual-Layer UV-Cured Acrylate Coating | |
| Operating Temperature Range (°C) | -45℃ ~ +85℃ | |
| Proof Test Level (kpsi) | 100 | |
Product Features
Excellent Polarization-Maintaining Performance
The YOFC PM980 Panda Type Polarization Maintaining Fiber provides high birefringence and stable polarization transmission, making it suitable for polarization-sensitive optical systems and components.
Low Attenuation and Uniform Geometry
Advanced PCVD manufacturing technology ensures a precise refractive index profile, excellent geometric uniformity, low attenuation, and consistent optical performance along the fiber length.
Dual-Layer UV-Cured Coating
The dual-layer UV-cured acrylate coating provides reliable mechanical protection and helps maintain stable fiber performance under different environmental and handling conditions.
Stable and Reliable Operation
With stable environmental performance and an operating temperature range from −45°C to +85°C, the fiber supports reliable use in demanding sensing, laser, and precision optical applications.
Applications

Fiber Optic Gyroscopes

Fiber-Coupled Laser Systems

Polarization-Sensitive Fiber Sensors
Certificates
CE

CPR
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ISO
RoHS
FAQ
What is PM980 fiber mainly used for?
PM980 fiber is widely used in fiber lasers, optical amplifiers, fiber optic gyroscopes, and polarization-sensitive fiber sensors.
What is the difference between 250 μm and 400 μm coating?
The 250 μm coating offers a compact size for high-density applications, while the 400 μm coating provides stronger mechanical protection and easier handling.
elivery(7-15 Days)

OPTICO offers a range of reliable delivery options, including air freight, sea freight, land freight, and express shipping through trusted providers like FedEx, DHL, and UPS. Whether you need speed, cost-effectiveness, or flexibility, OPTICO has got you covered. Trust OPTICO to get your products where they need to go, safely and on time.
How We Can Stand By You

Quick Response within 24 Hours

Quick Response within 24 Hours

Professional Technical Team Support

Professional Technical Team Support

Huge Production Capacity

Never Change Price Arbitrarily
After-sales Services
When you encounter problems with your optical communication equipment or system, you can contact us and submit a service request via phone, email, or online platform.
Thank you for choosing OPTICO as your trusted provider of optical communication devices. We value your business and are committed to ensuring your satisfaction even after your purchase.
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Product Specifications
| Parameter | PM 980 125-12/250 | PM 980 125-12/400 |
| Operating Wavelength(nm) | 980 | |
| Cutoff Wavelength (nm) |
800–970
|
|
| Mode Field Diameter (μm) | 6.5 ± 1.0 | |
| Attenuation (dB/km) | ≤2.5 | |
| Beat Length (mm) | ≤3.0 | |
| Typical Crosstalk at 4m (dB) | ≤−40 | |
| Typical Crosstalk at 100m (dB) | ≤−25 | |
| Cladding Diameter (μm) | 125.0 ± 1.0 | |
| Coating Diameter (μm) | 245.0 ± 7.0 | 400.0 ± 15.0 |
| Cladding Non-Circularity (%) | ≤1.0 | |
| Core-to-Cladding Concentricity Error (μm) | ≤1.0 | |
| Coating Structure | Dual-Layer UV-Cured Acrylate Coating | |
| Operating Temperature Range (°C) | -45℃ ~ +85℃ | |
| Proof Test Level (kpsi) | 100 | |


