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More Fiber Will Make Healthier Aerospace and Defense

EuroPhotonics
Mar 2017
Specialized aerospace and defense requirements present challenges for fiber optics, making it more difficult to use technology originally developed for civilian and commercial applications. However, the industry is now responding and finding solutions.

HANK HOGAN, CONTRIBUTING EDITOR, hank.hogan@photonics.com

In military and aerospace applications, improving size, weight, power and cost (SWaP-C) is critical. That’s why electronics are being replaced by fiber optics. Fiber is lighter than copper and is immune to electromagnetic interference, a significant plus. It can also provide high-bandwidth connections over long distances. Additionally, fiber can form the basis of sensors to measure strain, temperature, and biological or chemical compounds. It’s also possible to transmit power over fiber, simplifying the setup of mobile and temporary installations. Both defense and aerospace now have a growing appetite for fiber, said Bruno Daffix, a spokesperson for Airbus Defence and Space GmbH — the Munich-based division of the Airbus Group is Europe’s leading defense and space enterprise. One of the company’s latest ventures is its laser communication- and geosynchronous satellite-based broadband Space-DataHighway. In the case of the military, some of the reasons for this growing need are the same as those behind civilian adoption of fiber technology, Daffix said. “This trend is mainly driven by the need of increasingly larger broadband, besides the specific advantage for defense of avoiding electromagnetic interference.” He pointed to pictures and video taken by drones, aircraft or satellites that carry ever more sophisticated cameras, radar and other sensors. These produce higher and higher resolution imagery and video, so there must be more bandwidth to transmit and analyze this data.

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GLOSSARY
chip
1. A localized fracture at the end of a cleaved optical fiber or on a glass surface. 2. An integrated circuit.
aerospacedefensefiber opticsmilitarySWAP-csensorsAirbus Defence and Space GmbHEuropeAsia-PacificAmericasspacedatahighwaydronesFinisar Corp.CommunicationsdataBragg gratingsNASAArmstrong Flight Research CenterTest & MeasurementTechnobis GroupTechnobis Fibre TechnologiesGhent UniversityCom&Sens BVBAUniversity of Electro-CommunicationschipFeatures

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