Abstract
Optical fiber strain sensing is an evolving field in optical sciences in which multiple optical principles and techniques are employed to measure strain. This chapter seeks to provide a concise overview of the various types of optical fiber strain sensors currently available. The field of optical fiber strain sensing is nearly 30 years old and is still breaking new ground in terms of optical fiber technology, instrumentation, and applications. For each sensor discussed in the following sections, the basic optical layout is presented along with a description of the optical phenomena and the governing equations.
Comprehensive coverage of all aspects of optical fiber strain sensing is beyond the scope of this chapter. For example, each sensor type can be interrogated by a number of means, sometimes based on differing technology. Furthermore, these sensors are finding applications in a wide variety of fields including aerospace, oil and gas, maritime, and civil infrastructures. The interested reader is referred to the works by Grattan and Meggit [14.1], Measures [14.2], and Udd [14.3] for more-detailed descriptions of interrogation techniques and applications of the various sensors.
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- ABS:
-
American Bureau of Shipping
- DTS:
-
distributed temperature sensing
- DTS:
-
dodecyltrichlorosilane
- EFPI:
-
extrinsic Fabry–Pérot interferometer
- FBG:
-
fiber Bragg grating
- LAN:
-
local area network
- LED:
-
light-emitting diode
- LPG:
-
long-period grating
- NA:
-
numerical aperture
- OFDR:
-
optical frequency-domain reflectometry
- OPD:
-
optical path difference
- PBG:
-
photonic-bandgap
- PCF:
-
photonic-crystal fiber
- PLD:
-
path length difference
- PM:
-
polarization maintaining
- PM:
-
power meter
- RF:
-
radiofrequency
- RSG:
-
resistance strain gage
- TDM:
-
time division multiplexing
- TIR:
-
total internal reflection
- WDM:
-
wavelength-domain multiplexing
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Baldwin, C.S. (2008). Optical Fiber Strain Gages. In: Sharpe, W. (eds) Springer Handbook of Experimental Solid Mechanics. Springer Handbooks. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-30877-7_14
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DOI: https://doi.org/10.1007/978-0-387-30877-7_14
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