Acoustic fiber laser array architecture with reduced optical feedback limitations

Molin, S.; Bouffaron, R.; Peigné, A.; Doisy, M.; Mugnier, A; Pureur, David

doi:10.1117/12.2059272

Cited by 1 publication

(2 citation statements)

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“…Also, this coupler allows to increase the spectral distance between DFB laser wavelengths on the same branch. This optical architecture formed by 2 x 6 hydrophones, supplied by one optical fiber in the leading cable, allows to suppress all optical unstability, under minimum optical pumping [13].…”

Section: Design Of the Arraymentioning

confidence: 99%

“…Compared to optical interferometric hydrophone technology, emerging Distributed FeedBack (DFB) fiber laser hydrophone technology presents key advantages such as compactness and reduced complexity interrogation scheme [2,3,4,10]. High performance hydrophone design [8,9] associated with optimized DFB fiber laser cavity for dense hydrophone multiplexing capability on a single optical fiber [13] remains a key challenge for this promising new acoustic array technology.…”

Section: Introductionmentioning

confidence: 99%

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Acoustic antenna based on fiber laser hydrophones

et al. 2014

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For underwater surveillance applications, an all-optical acoustic array technology allows enhanced capabilities compared to conventional piezoelectric antenna in terms of compactness, robustness and large distance remote interrogation through small diameter optical cable. One major issue about this kind of antenna is the design of a compact sensitive optical hydrophone which is optimized for reduced temperature sensitivity and high static pressure capability. This paper presents the results obtained on a first full optical antenna panel based on an innovative wideband fiber laser hydrophone. The presented mock-up includes 12 fiber laser optical hydrophones interrogated through a 12 km lead optical cable.

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Section: Design Of the Arraymentioning

confidence: 99%