1x2 2x2 Fused PM Fiber Optic Coupler Polarization Maintaining Coupler 1310nm 1550nm

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 dual-wavelength systems of 1310nm and 1550nm.

2. Key Features

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 dual-wavelength operation at 1310nm & 1550nm, with an operating bandwidth of ±20nm, suitable for polarization-maintaining splitting, optical path monitoring, and testing applications in the communication band.

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

A: This product features low added loss, high return loss, high directivity, and good polarization maintenance capability. Its typical added loss is ≤0.8dB, polarization extinction ratio is ≥18dB, return loss is ≥50dB, directivity is ≥55dB, and maximum power handling is ≤0.5W.

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, 10/90, 5/95, and 1/99. 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.