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Temperature-insensitive photonic crystal fiber interferometer for absolute strain sensing
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10.1063/1.2775326
/content/aip/journal/apl/91/9/10.1063/1.2775326
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/9/10.1063/1.2775326
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Photograph of a section of the splice. The image shows that the PCF voids are tapered in a short region before getting fully collapsed. The bottom drawing is a schematic diagram of the interferometer. SMF stands for single mode fiber, PCF for photonic crystal fiber, and is the length of PCF.

Image of FIG. 2.
FIG. 2.

(a) Normalized transmission spectrum of an interferometer with at different strain values. The light source was a low-power LED centered at . (b) Normalized transmission spectrum of another interferometer with at 0 (solid line), (dashed line), and (dotted line). The light source was an amplified spontaneous emission source.

Image of FIG. 3.
FIG. 3.

(Color online) Strain vs shift of the interference pattern at for devices with (dots) and (squares) at room temperature. The crosses and circles are shifts at 22 and , respectively, for a long interferometer at . Strain vs shift at for devices with (dashed line) and (triangles). All the lines are linear fitting to the experimental data.

Image of FIG. 4.
FIG. 4.

Normalized transmission of an interferometer with vs strain. The wavelength was . The dots are experimental values and the continuous line is a fitting one. The measurements were carried out at room temperature.

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/content/aip/journal/apl/91/9/10.1063/1.2775326
2007-08-27
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Temperature-insensitive photonic crystal fiber interferometer for absolute strain sensing
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/9/10.1063/1.2775326
10.1063/1.2775326
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