Photonic Hydrophones Based on Coated Fiber Bragg Gratings.
Photonic Hydrophones Based on Coated Fiber Bragg Gratings.
Photonic Hydrophones Based on Coated Fiber Bragg Gratings.
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Optoelectr<strong>on</strong>ic Divisi<strong>on</strong>, Engineering Department<br />
Interferometric detecti<strong>on</strong><br />
J.A. Bucaro et al.(1977)<br />
Intensity modulati<strong>on</strong><br />
W.B. Spillman et al.(1980)<br />
University of Sannio, Benevento (Italy)<br />
SOCIETÀ ITALIANA DI FISICA<br />
XCVIII CONGRESSO NAZIONALE<br />
Napoli, 17-21 Settembre 2012<br />
<str<strong>on</strong>g>Phot<strong>on</strong>ic</str<strong>on</strong>g> hydroph<strong>on</strong>es: State of the art<br />
DFB Laser<br />
S.Goodman et al.(2009)<br />
Very high sensitivities<br />
Complex c<strong>on</strong>figurati<strong>on</strong><br />
• Acoustic detectors based <strong>on</strong> bare FBGs<br />
Cheap and well assessed technology<br />
Limited by the high Young’s modulus of glass<br />
LOD ~ MPa<br />
<str<strong>on</strong>g>Phot<strong>on</strong>ic</str<strong>on</strong>g> crystal mirror<br />
O.Kilic et al.(2007)<br />
N.Takahashi et al., Opt. Rev. 4, 691-694 (1997)
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