1550nm SM Fiber Coupler Module (1×2 5/95 + 1×2 50/50 + 2×2 50/50) for Interferometry, Fiber Sensing, and Power Monitoring

1550nm SM Fiber Coupler Module (1*2 5/95 + 1*2 50/50 + 2*2 50/50) for Interferometry, Fiber Sensing, and Power Monitoring

1. Product Description

This 1550nm single-mode (SM) fiber coupler module is designed for applications involving multi-stage splitting, reference optical path construction, and interferometry.

2. Key Features

• Integrates 1*2 (5/95), 1*2 (50/50), and 2*2 (50/50) coupling structures
• Operating wavelength: 1550 nm; utilizes G.657.A1 single-mode fiber
• Optical path difference (Path 1 – Path 2): 10.0 ± 1.0 mm
• 1-input/3-output optical power distribution
• 0.9 mm colored loose-tube cabling for clear port identification
• Equipped with FC/APC connectors
• ABS package dimensions: 80 * 58 * 8 mm
• Fiber length and internal L1–L5 parameters customizable based on project requirements

3. Applications

• Fiber optic interferometers
• Fiber optic sensors
• Power monitoring
• Optical measurement systems
• 1550 nm test platforms
• OEM optical module integration