PhotonFirst Fiber Based Strain Sensor
An FBG-based optical fibre strain sensor for embedding in or bonding to structures, supplied with PhotonFirst's integration services.
Technical overview
PhotonFirst lists a fibre based strain sensor among its four sensor types but publishes no per-sensor datasheet or specification table. At company level it states sub-microstrain resolution sensing with a footprint below 0.1 mm2, achieved by analysing the wavelength shift of Fiber Bragg Gratings. Sensors are delivered as part of an engineered fibre integration into the customer's asset.
Features
- FBG (Fiber Bragg Grating) based
- Multipoint sensing on one fibre, reducing cables, weight and installation time
- Fibres can be embedded in structures/composites, maintaining structural integrity
- Accurate non-intrusive measurements
- Intrinsically ATEX safe
Specifications
| Parameter | Value |
|---|---|
| Strain resolution (company-stated, technology level - not a per-product rating) | Sub-microstrain |
| Sensor footprint (company-stated, technology level - not a per-product rating) | <0.1 mm2 |
Applications
- Structural health monitoring of bridges and buildings
- Wind turbine blade and tower load monitoring
- Aerospace load and fatigue testing
- Hull and deck monitoring in maritime and offshore
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