1x2 2x2 Fused PM Fiber Coupler 1020nm 50/50 PM Fiber Splitter For Laser System Optical Instrument

1. Product Description

1×2 Fused PM Fiber Standard Coupler 1×2 Fused Polarization-Maintaining Fiber Standard Coupler 1020nm 50/50 for EDFA, Coherent Communication, Power Monitoring and Fiber Sensor

2. Key Features

1×2 fused polarization-maintaining fiber coupling structure

Operating wavelength 1020nm, bandwidth ±15nm

Standard splitting ratio 50/50

Insertion loss ≤3.8dB

Polarization extinction ratio ≥20dB

Return loss ≥55dB

Directivity ≥55dB

3. Applications

EDFA
Fiber Optic Instrument
Coherent Communication
Power Monitoring
Fiber Sensor

FAQ

Q1: What is the operating wavelength of this Fused PM Fiber Coupler?

A: The standard operating wavelength of this product is 1020nm, with a working bandwidth of ±15nm. The ordering information also supports different wavelength options such as 780nm, 980nm, 1020nm, 1310nm, and 1550nm, which can be selected according to system requirements.

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

A: This product features low insertion loss, high extinction ratio, high return loss, and high directivity. Its typical splitting ratio is 50/50, insertion loss ≤3.8dB, polarization extinction ratio ≥20dB, return loss ≥55dB, directivity ≥55dB, and power handling capacity up to 2W.

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 different splitting ratios, wavelengths, package sizes, fiber sheaths, fiber lengths, and connector types. The standard configuration uses Panda Fiber, and connectors include FC/APC, FC/UPC, SC/APC, SC/UPC, LC/APC, and LC/UPC, with the default connector key alignment aligned with the slow axis.