Overview
In addition to its LED test product range, Feasa designs and manufactures a range of speciality fibre optic components for demanding optical applications, supplying customers worldwide with reliable optical solutions.
The range includes 3×3 and 2×2 High NA Couplers, 2×2 Interferometric Couplers, a family of 3×3, 1×3, 2×2 and 1×2 Couplers, and Wavelength Division Multiplexers.
For further information on Feasa fibre optic components, contact us at sales@feasa.ie.
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Applications
Where our fibre optic components are commonly used.
Product Range
| Parameter | Value | Notes |
|---|---|---|
| High NA Couplers | 3×3, 2×2 | High numerical aperture |
| Interferometric Couplers | 2×2 | Precision measurement |
| Standard Couplers | 3×3, 1×3, 2×2, 1×2 | Splitting and combining |
| Wavelength Division Multiplexers | WDM | Multi-wavelength combining |
| Enquiries | sales@feasa.ie | Contact for further information |
Technical Support

Speak to our engineering team
- Custom design — Speciality fibre optic components to customer requirements
- Application support — Guidance on component selection for your optical system
- Existing customers — Ongoing supply of speciality couplers and multiplexers
Downloads and Resources
Fibre Optic Safety Guide
Connecting the Patch Cord
Contact Feasa
LINK
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