Key Portuguese manufacturers of fiber optic sensors include FiberSight and HBK FiberSensing, offering advanced solutions for temperature, humidity, strain, and structural monitoring.

FiberSight

FiberSight is a Portuguese technology company and CERN startup specializing in smart sensing solutions using optical fibers as sensory elements . Their technology can measure temperature, humidity, and strain along optical fibers, enabling real-time monitoring over kilometers with a single acquisition system . Applications include:

• Water leak detection
• Industrial process optimization
• Agricultural irrigation
• Structural health monitoring FiberSight's sensors are engineered for harsh environments, providing high precision and extensive coverage with minimal maintenance . Their system can detect events with location accuracy up to 1 meter over distances exceeding 25 km, and it allows integration with existing monitoring platforms .

HBK FiberSensing

HBK FiberSensing, founded in Porto in 2004, is a world leader in Fiber Bragg Grating (FBG) technology . The company develops and produces optical sensors, interrogators, and software for measuring:

• Strain
• Temperature
• Tilt
• Acceleration
• Displacement HBK FiberSensing serves markets such as civil and geotechnical engineering, energy, industry, and R&D . Their solutions include custom OEM systems and full monitoring projects, with sensors and measurement units deployed globally. The company is certified under ISO 9001:2015 standards, ensuring high-quality production and reliability .

Other Notable Companies

While not exclusively focused on fiber optic sensors, other Portuguese companies like Sarspec provide optical fibers and probes for spectroscopy, which can be adapted for certain optical sensing applications . Additionally, companies like Tekon Electronics and PLUX offer advanced sensor technologies that may complement fiber optic monitoring in industrial or biomedical contexts .

Summary

For fiber optic sensing in Portugal, FiberSight and HBK FiberSensing are the primary manufacturers offering comprehensive solutions for temperature, humidity, strain, and structural monitoring. FiberSight emphasizes long-distance, real-time environmental monitoring, while HBK FiberSensing focuses on FBG-based structural and industrial applications. Both companies provide integration capabilities and high-precision sensors suitable for demanding environments.