Evanescence Based Variable Split Ratio Fiber Splitter – Coupler

Our Partner OZ Optics Limited, a world leading supplier of fiber optic products for existing and next-generation optical networks, introduces a variable split ratio fiber splitter/coupler. Based on the principle of evanescent coupling, the splitters provide splitting ratios tunable from 0% to 100% with negligible optical loss. The coupling ratio is controlled by adjusting the distance between the cores of the two side-polished fibers. Polarization maintaining fiber models with customer specified birefringence axis alignment are available.

Features

• Variable splitting ratio
• Low insertion loss
• Broad bandwidth
• Good uniformity
• Small package
• High directivity

Applications

• Optical amplifiers
• Fiber lasers
• Power monitoring
• Fiber gyroscopes
• Coherent communication

Product Description

Variable split ratio fiber splitters provide split-ting ratios tunable from 0% to 100% with neg-ligible optical loss. The device consists of two side-polished fibers mated to induce evanescent field coupling. The coupling ratio is controlled by adjusting the distance between the cores of the two side-polished fibers. PM fiber models with customer specified birefringence axis alignment are available.

Specifications

Operation Wavelenght (nm): 1260-1650
Tuning Range of Coupling Ration (%): 0-100
Insertion Loss (dB): <0.1 (without connectors) <0.5 (with connectors)
Polarization Extinction Ratio (dB, PMF only): >20 (without connectors) >18 (with connectors)

Get more info from Monique