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B-Phot research on micro-structured optical fiber sensors featured in Laser Focus World

July 14, 2015 at 12:09

B-PHOT researchers have designed, simulated, characterized and implemented a temperature-insensitive optical fibre sensor that is ready to be applied for pressure monitoring in the field of oil and gas exploration, for structural health monitoring inside adhesive joints and composite materials in the field of aeronautics.

The sensor relies on the so-called Butterfly micro-structured optical fiber. Micro-structured optical fibers have a transverse wavelength-scale microstructure that typically consists of air holes running along the entire length of the waveguide. Combining Bragg gratings with such fibers adds new momentum to optical-fiber-based sensor applications. Considering the level of maturity that is already achieved by those separate technologies, we are confident that their combination can rapidly gain industrial maturity and enable new structural health monitoring applications.

The patent pending innovative optical fibre sensor technology is currently being transferred to industry.

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