1x2 2x2 Fused Polarization Maintaining Fiber Coupler FBT Splitter Combiner 1310nm 1550nm 980nm 1064nm 780nm

1. Product Description

This 1×2 (2×2) Fused PM Fiber Standard Coupler is a polarization-maintaining fiber coupler based on fused taper technology, suitable for stable beam splitting and polarization-maintaining applications in commonly used wavelength bands such as 1310nm, 1550nm, 980nm, and 1064nm.

2. Key Features

Supports 1310/1550nm and 980/1064nm wavelength bands
Supports 1×2 and 2×2 port configurations
Available in Grade P and Grade A specifications
Operating bandwidth ±15nm
Typical additional loss as low as ≤0.6dB
Polarization extinction ratio as high as ≥20dB
Return loss ≥55dB

3. Applications
EDFA
Fiber Optic Instrument
Coherent Communication
Power Monitoring
Fiber Sensor

FAQ

Q1: What operating wavelengths does this Fused PM Fiber Coupler support?

A: This product supports common operating wavelengths such as 1310nm, 1550nm, 980nm, and 1064nm, with an operating bandwidth of ±15nm, meeting the splitting and coupling requirements in communication bands, laser systems, and polarization-maintaining optical path testing.

Q2: What are the main performance advantages of this product?

A: This product uses Panda Fiber polarization-maintaining fiber, featuring low added loss, high extinction ratio, high return loss, and high directivity. Typical added loss can be as low as ≤0.6dB, polarization extinction ratio can reach up to ≥20dB, return loss ≥55dB, and directivity ≥55dB, and it supports power levels of 1W, 3W, 5W, and 10W.

Q3: Does this polarization-maintaining fused fiber coupler support customization?

A: Customization is supported. The product is available in 1×2 or 2×2 port configurations, supporting various splitting ratios such as 50/50, 20/80, 15/85, 5/95, and 1/99. Operating wavelength, package size, fiber sheath, fiber length, and connector type can be customized. Connectors are available in FC/APC, FC/UPC, SC/APC, SC/UPC, LC/APC, LC/UPC, or other specifications. The default connector key alignment is with the slow axis.