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5 September 2014 Fiber optic connectors for harsh environment of aviation and aerospace applications
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Fiber optic connector technology is making significant advances for use in aviation and aerospace applications. This increasingly user friendly system has contributed to more novel extremely small multifiber connectors for fiber optic interconnection. With low insertion loss and excellent environmental endurance in harsh environments they meet the requirements of higher integration in optical backplanes. There are two main methods of transmitting an optical signal between two fibers: (1) Physical Contact (PC) and (2) Non-Physical Contact Connectors, Expanded Beam (EB). Expanded beam connectors have been shown to withstand extreme environments without the need for special servicing or cleaning equipment. Protecting the optical fibers behind the lenses ensures that no damage or degradation can occur to the fiber ends. Severe conditions, extreme surroundings, rough weather, rugged and unforgiving environment call for the use of high-performance fiber optic connectors. Appropriate connector selection is essential to assure adequate optical, environmental and mechanical performance. The choice of these items should be specific to the requirements of the system when considering environmental and mechanical limitations. Proper installation, maintenance and repair training is essential. This paper outlines the attributes, environments, requirements, technologies and solutions of fiber optic connectors for harsh environment for aviation and aerospace applications. Furthermore, it describes various state-of-the-art technologies, particularly for aviation industry. Discussion will also place emphasis on physical contact and expanded beam designs which are the fiber optic technologies being used in harsh environments of aviation and aerospace applications. Key
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Alex A Kazemi "Fiber optic connectors for harsh environment of aviation and aerospace applications", Proc. SPIE 9202, Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments V, 92021P (5 September 2014);

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