Creative Sensing Solutions for Safety and Health

Applications

Our sensors are used in various applications:

Early Fire Detection

Application

Early fire detection for use mainly in parkings, tunnels and wide infrastructures.

Technology

- FBGs + Sensitive layer acting as a blackbody,
- Aluminum tube packaging including a capillary glass (greenhouse effect),
- Temperature elevation measured by a shift of the Bragg wavelength.

Features

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Patent : Infrared Sensor GB10042150.8

Hydrogen Leak Detection

Application

Hydrogen detection around pipes, tanks or industries below the explosion limit of 4 %.

Technology

- FBGs + sensitive catalytic layer,
- In the presence of H2 in air, the sensitive layer undergoes an exothermic reaction,
- Temperature elevation measured by a shift of the Bragg wavelength.

Features

Burried hydrogen sensor

Patent: Gas Sensor UK0707303.4

Pollution Monitoring

Application

NO2 pollution monitoring in underground parkings and tunnels.

Technology

- Tilted FBGs + sensitive layer,
- In the presence of NO2 in air, the sensitive layer changes its refractive index,
- Refractometric change measured by a modification of the transmitted amplitude spectrum.

Features

Patent : Infrared Sensor GB1321245.1

Strain Monitoring Inside Composite Materials

Application

- Residual strain monitoring in composite materials during and after the fabrication process.
- Structural health monitoring.

Technology

- Uniform FBGs in different fiber types,
- Metrology based on spectral measurements, also with polarized light.

Features

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Railway Traffic Monitoring

Application

- Axle counting.
- Detection of speed, acceleration, weigh-in-motion, wheel flats.

Technology

- Uniform FBGs,
- High speed demodulation using CCD-based interrogators.

Features

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Concrete Drying Process Monitoring

Application

- FBGs embedded in concrete containers for radioactive waste to monitor structural strain,
- Structural health monitoring.

Technology

- Uniform FBGs in different fiber types,
- Metrology based on measurement with polarized light.

Features

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Structural Health Monitoring of Windturbines Blade

Application

Insertion of Fiber Bragg Gratings inside wind turbine blades for strain sensing,
Preventive & predictive maintenance.

Technology

- Uniform FBGs.

Features

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Smart Needles for Endoscopy

Application

Force sensing in endoscopy to provide haptic feedback.

Technology

- Uniform FBGs.

Features

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Towards in vivo cancer diagnosis

Application

Biochemical optical sensors for minimally-invasive diagnosis.

Technology

- Tilted FBGs,
- Thermally-annealed gold coating,
- Biofunctionalization of the gold surface.

Features

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Contact us: info@b-sens.be

B-SENS, Last update: Autumn 2017

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