Abstract
Operation of fiber Fabry-Perot interferometer (FFPI) temperature sensors from -200°C to +1050°C has been demonstrated [1]. These sensors used internal mirrors produced by a fusion splicing technique. Internal-mirror FFPIs have been embedded in graphite-epoxy composites and polymers, where they were used to sense temperature [2] and ultrasonic pressure [3].
© 1992 Optical Society of America
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