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Miniature, high performance, low-cost fiber optic microphone
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10.1121/1.2000749
/content/asa/journal/jasa/118/3/10.1121/1.2000749
http://aip.metastore.ingenta.com/content/asa/journal/jasa/118/3/10.1121/1.2000749
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Optical microphone principle.

Image of FIG. 2.
FIG. 2.

Detailed design of the probe component of the fiber optic microphone.

Image of FIG. 3.
FIG. 3.

Overall fiber optic microphone schematic.

Image of FIG. 4.
FIG. 4.

Step by step procedure used to micro-machine the thin silicon diaphragm.

Image of FIG. 5.
FIG. 5.

Laboratory measured fiber optic microphone response vs frequency (—) cw free-field; (- - -) BK 4221 pressure calibrator; and (↔) pseudo-static measurements.

Image of FIG. 6.
FIG. 6.

Measured microphone intrinsic noise levels vs frequency.

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/content/asa/journal/jasa/118/3/10.1121/1.2000749
2005-09-01
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Miniature, high performance, low-cost fiber optic microphone
http://aip.metastore.ingenta.com/content/asa/journal/jasa/118/3/10.1121/1.2000749
10.1121/1.2000749
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