Fiber Sensors for Extreme Conditions

As partner of the EU project ACTPHAST the IPHT delve into the production of fiber optic sensors integrated in temperature stable sapphire fibers. (Source: Döring, IPHT)

As partner of the EU project ACTPHAST the IPHT delve into the production of fiber optic sensors integrated in temperature stable sapphire fibers. (Source: Döring, IPHT)

Sensor fibers for the use under high temperatures up to 1,300 °C – with this request, the British company Oxsensis applied to the fiber experts at IPHT within the framework of the EU-project ACTPHAST. Since the glass as well as the inner structures, like fiber Bragg gratings, becomes soft at high temperatures, usual fiber sensors are only suitable for measures at a range of several hundred degrees. Within the project, the processing of the sapphire fibers will be developed by the fiber expert and exactly adapted to the needs of the industry partner. “Due to the high melting point at about 2,400 °C and their chemical resistance we use sapphire fibers, since they are suitable for measurements under extreme conditions”, says Manfred Rothhardt, who leads the project at IPHT.

This partnership from industry and research arises from the EU project CenTre for PHotonics innovAtion Solutions and Technology support (ACTPHAST), which is a unique “one-stop-shop” European access center for photonics innovation solutions and technology support and supports and accelerates the innovation capacity of European SMEs by providing them with direct access to the expertise and state-of-the-art facilities of Europe’s leading photonics research centers.The program is running until the end of 2017, is coordinated by the Free University of Brussels and ist open to every country and every company in Europe.

ACTPHAST wants to support a total of 200 innovation projects of European companies. This should result in additional revenue of 120 million Euros for these companies as well as the creation of 600 new, highly skilled jobs in Europe. Technologies available within the consortium range from fiber optics and micro optics, to highly integrated photonic platforms, with capabilities extending from design through to full system prototyping. (Source: IPHT)

Links: Leibniz Institute of Photonic Technology, Jena, Germany • ACTPHAST • Oxsensis Ltd, Didcot, Oxfordshire, UK

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