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Fiber Bragg grating microphone system
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10.1063/1.2363977
/content/aip/journal/apl/89/16/10.1063/1.2363977
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2363977
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Configuration of fiber grating microphone.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Illustration shows the significance of prestraining the FBG for acoustic waves. (b) Shift in the reflected spectrum due to prestraining the FBG.

Image of FIG. 3.
FIG. 3.

Experimental layout for testing the fiber grating microphone.

Image of FIG. 4.
FIG. 4.

(Color online) Output of fiber-optic microphone at (a) and (b) as observed on the oscilloscope.

Image of FIG. 5.
FIG. 5.

(Color online) Change in microphone output amplitude as the distance between the sensor and speaker increases.

Image of FIG. 6.
FIG. 6.

(Color online) Frequency response of the sensor and the frequency response of a commercial condenser tie microphone.

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/content/aip/journal/apl/89/16/10.1063/1.2363977
2006-10-17
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fiber Bragg grating microphone system
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2363977
10.1063/1.2363977
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