Wide-band polarization-insensitive fiber optic acoustic sensors

Shih, Sung-Tsun

doi:10.1117/1.601929

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Fiber Optic Sensors (Foss) Integrated With Fi Ber-reinforced1

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Cited by 13 publications

(1 citation statement)

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“…Giallorenzi et al (1982) provides a detailed description pertaining to the principles and methodologies involved in fi ber optic sensing of stress waves and acoustical signals. Various transduction mechanisms, including intensity, interferometric and spectrometric techniques have been utilized (Tran et al 1992;Pierce et al 1996;Shih 1998;Lim et al 1999). Interferometric techniques have provided means for high-resolution detection of damage within different types of materials.…”

Section: Fiber Optic Sensors (Foss) Integrated With Fi Ber-reinforcedmentioning

confidence: 99%

Non-destructive evaluation (NDE) of composites: using fiber optic sensors

Dong

2013

Non-Destructive Evaluation (NDE) of Polymer Matrix Composites

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Section: Fiber Optic Sensors (Foss) Integrated With Fi Ber-reinforcedmentioning

confidence: 99%

Non-destructive evaluation (NDE) of composites: using fiber optic sensors

Dong

2013

Non-Destructive Evaluation (NDE) of Polymer Matrix Composites

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Remote structural health monitoring with serially multiplexed fiber optic acoustic emission sensors

Chen

Liang

Ansari

2003

Earthq. Eng. Eng. Vib.

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Fiber optic health monitoring of civil structures using long gage and acoustic sensors

Ansari¹

2005

Smart Mater. Struct.

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Structural health monitoring with optical fibers provides practical sensing capabilities in many applications including in aeronautics and mechanical structures. A variety of optical fiber sensors have been used including Bragg gratings, intensity or amplitude sensors, and Fabry-Perot ones. Civil structures pose further challenges in monitoring mainly due to their large dimensions, diversity as well as heterogeneity of materials involved, and hostile construction environment. Monitoring of strains, deformations, and deflections provides clues essential for evaluation of design parameters and behavior under service loads. Long gage distributed or multiplexed sensors are excellent candidates for such applications. On the other hand, detection of structural damage and anomalies such as cracking in concrete, splintering of fibers in composites, and fracturing of welds and connections are best accomplished by acoustic sensors. This paper describes principles involved in serial multiplexing of two kinds of optical fibers, namely long gage and acoustic sensors. Both sensor types offer promise in structural health monitoring of large civil structural systems. Representative examples are introduced and described in detail.

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Wide-band polarization-insensitive fiber optic acoustic sensors

Cited by 13 publications

References 0 publications

Non-destructive evaluation (NDE) of composites: using fiber optic sensors

Non-destructive evaluation (NDE) of composites: using fiber optic sensors

Remote structural health monitoring with serially multiplexed fiber optic acoustic emission sensors

Fiber optic health monitoring of civil structures using long gage and acoustic sensors

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