Overview
In addition to its LED test product range, Feasa designs and manufactures a range of speciality fibre optic components. These components are supplied to a small number of existing customers for demanding optical applications.
The range includes 3Γ3 and 2Γ2 High NA Couplers, 2Γ2 Interferometric Couplers, a family of 3Γ3, 1Γ3, 2Γ2 and 1Γ2 Couplers, and Wavelength Division Multiplexers.
For further information on Feasa fibre optic components, contact us at sales@feasa.ie.
Speciality fibre optic components.
High NA Couplers
3Γ3 and 2Γ2 high numerical aperture couplers for efficient light coupling in demanding optical applications.
Interferometric Couplers
2Γ2 interferometric couplers engineered for precision optical measurement and sensing applications.
Standard Couplers
A family of 3Γ3, 1Γ3, 2Γ2 and 1Γ2 couplers for a wide range of fibre optic splitting and combining requirements.
Wavelength Division Multiplexers
WDM components for combining and separating optical signals across multiple wavelengths on a single fibre.
40+ years expertise
Engineering optical solutions since the early 2000s, headquartered in Limerick, Ireland.
Custom manufacturing
In-house design and manufacture of speciality fibre optic components to customer requirements.
Applications
Where our fibre optic components are commonly used.
Telecoms
Optical Communication Systems
Instrumentation
Interferometric Sensing
Photonics
Light Coupling and Splitting
Research
Laboratory Optical Systems
Product Range
| Parameter | Value | Notes |
|---|---|---|
| High NA Couplers | 3Γ3, 2Γ2 | High numerical aperture |
| Interferometric Couplers | 2Γ2 | Precision measurement |
| Standard Couplers | 3Γ3, 1Γ3, 2Γ2, 1Γ2 | 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 β Speciality fibre optic components to customer requirements
- Application support β Guidance on component selection for your optical system
- Existing customers β Ongoing supply of speciality couplers and multiplexers
Downloads and Resources
2025 Catalogue
Contact Feasa
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