Polarization Maintaining 4x4 Fused Coupler 1550nm Fiber Splitter Module Even Ratio for Power Monitor & Fiber Sensor Custom

Polarization Maintaining 4x4 Fused Coupler 1550nm Fiber Splitter Module Even Ratio for Power Monitor & Fiber Sensor Custom

1. Features

• Broad wavelength availability spanning from 532 nm to 2100 nm.

  
  

• Engineered for low insertion loss to maximize network efficiency.

  
  

• Guarantees high stability and reliability in demanding optical environments.

  
  

2. Applications

• Advanced coherent communication networks.

  
  

• Precision optical power monitoring systems.

  
  

• High-sensitivity fiber optic sensing equipment.

  
  

3. Specifications

• Coupling Ratio: Symmetrical 25:25:25:25 distribution across a 4x4 configuration.

  
  

• Optical Performance: Center wavelength at 1550 nm (±15 nm bandwidth) with a maximum excess loss of 1.2 dB and an insertion loss of 7.5 dB.

  
  

• Polarization & Return Loss: Minimum extinction ratio of 20 dB, minimum directivity of 50 dB, and maximum return loss of 50 dB.

  
  

• Power Handling: Maximum continuous wave (CW) optical power up to 300 mW (limited to 50 mW when connectors are applied).

  
  

• Fiber Configuration: Built with premium PM1550 fiber and a 900μm loose tube.

  
  

• Package Dimensions: Compact module design measuring 100 x 80 x 10 mm.

  
  

  FAQ

1. What are the standard fiber optic and packaging specifications?

This product uses PM1550 fiber with a 900μm loose tube. The module package size is 100 × 80 × 10mm. This box-type module design is suitable for multi-port optical path integration, internal assembly of instruments and equipment, and system-level cabling management.

2. How do you ensure product quality and consistency before shipment?

As a professional supplier of polarization-maintaining passive components, we can test insertion loss, additional loss, splitting ratio, extinction ratio, return loss, directivity, port definition, connector endface, and appearance. This page shows that the product is ISO9001 and RoHS certified, with an MOQ of 1 piece and a monthly supply capacity of 100,000 pieces, supporting sample verification and bulk delivery.