Next Article in Journal
Previous Article in Journal
Sensors 2012, 12(9), 12070-12081; doi:10.3390/s120912070
Article

Spectral-Domain Measurement of Strain Sensitivity of a Two-Mode Birefringent Side-Hole Fiber

1,* , 2
, 2
, 3
, 3, 3
 and 2
Received: 12 July 2012; in revised form: 9 August 2012 / Accepted: 10 August 2012 / Published: 3 September 2012
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [214 KB, uploaded 21 June 2014]   |   Browse Figures
Abstract: The strain sensitivity of a two-mode birefringent side-hole fiber is measured in the spectral domain. In a simple experimental setup comprising a broadband source, a polarizer, a two-mode birefringent side-hole fiber under varied elongations, an analyzer and a compact spectrometer, the spectral interferograms are resolved. These are characterized by the equalization wavelength at which spectral interference fringes have the highest visibility (the largest period) due to the zero group optical path difference between the fundamental, the LP01 mode and the higher-order, the LP11 mode. The spectral interferograms with the equalization wavelength are processed to retrieve the phase as a function of the wavelength. From the retrieved phase functions corresponding to different elongations of a two-mode birefringent side-hole fiber under test, the spectral strain sensitivity is obtained. Using this approach, the intermodal spectral strain sensitivity was measured for both x and y polarizations. Moreover, the spectral polarimetric sensitivity to strain was measured for the fundamental mode when a birefringent delay line was used in tandem with the fiber. Its spectral dependence was also compared with that obtained from a shift of the spectral interferograms not including the equalization wavelength, and good agreement was confirmed.
Keywords: microstructured fibers; polarization-maintaining fibers; fiber characterization; fiber optics sensors; interferometry microstructured fibers; polarization-maintaining fibers; fiber characterization; fiber optics sensors; interferometry
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Export to BibTeX |
EndNote


MDPI and ACS Style

Hlubina, P.; Olszewski, J.; Martynkien, T.; Mergo, P.; Makara, M.; Poturaj, K.; Urbanczyk, W. Spectral-Domain Measurement of Strain Sensitivity of a Two-Mode Birefringent Side-Hole Fiber. Sensors 2012, 12, 12070-12081.

AMA Style

Hlubina P, Olszewski J, Martynkien T, Mergo P, Makara M, Poturaj K, Urbanczyk W. Spectral-Domain Measurement of Strain Sensitivity of a Two-Mode Birefringent Side-Hole Fiber. Sensors. 2012; 12(9):12070-12081.

Chicago/Turabian Style

Hlubina, Petr; Olszewski, Jacek; Martynkien, Tadeusz; Mergo, Pawel; Makara, Mariusz; Poturaj, Krzysztof; Urbanczyk, Waclaw. 2012. "Spectral-Domain Measurement of Strain Sensitivity of a Two-Mode Birefringent Side-Hole Fiber." Sensors 12, no. 9: 12070-12081.



Sensors EISSN 1424-8220 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert