banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Power modulation based fiber-optic loop-sensor having a dual measurement range
Rent this article for


Image of FIG. 1.
FIG. 1.

Configuration and working principle of the fiber-optic loop-sensor.

Image of FIG. 2.
FIG. 2.

Relationship of displacement with (a) relative transmitted power and (b) force applied through a loop of 6 mm radius under loading condition similar to that shown in Fig. 1.

Image of FIG. 3.
FIG. 3.

(a) Comparison of calculated and experimentally measured power attenuation and (b) closer view of three successive peaks.

Image of FIG. 4.
FIG. 4.

Closer view of the region between two intermediate peaks in the experimental results for a 6 mm radius loop-sensor.

Image of FIG. 5.
FIG. 5.

(a) Experimental setup for the calibration of loop-sensors and (b) schematic of functional components.

Image of FIG. 6.
FIG. 6.

Optical power-displacement and load-displacement relationships for loops-sensors of four different radii.

Image of FIG. 7.
FIG. 7.

High sensitivity range of loop-sensors having (a) and (b) .

Image of FIG. 8.
FIG. 8.

Pear-shaped loop-sensors used in fatigue testing.

Image of FIG. 9.
FIG. 9.

Experimental setup for cyclic loading tests.

Image of FIG. 10.
FIG. 10.

Results of testing a 5 mm radius loop-sensor for loading-unloading cycles (a) relative transmitted power, (b) force, and (c) closer view of the last three cycles.

Image of FIG. 11.
FIG. 11.

Results of testing a 6 mm radius loop-sensor under loading-unloading cycles at the displacement rates of (a) 0.01, (b) 0.05, (c) 0.2, and (d). 0.4 mm/s.


Generic image for table
Table I.

Geometrical parameters and index of refraction of Corning SMF28e fiber.


Article metrics loading...


Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Power modulation based fiber-optic loop-sensor having a dual measurement range