High-frequency ultrasonic hydrophone based on a cladding-etched DBR fiber laser

Li Yang Shao; Sien Ting Lau; Xinyong Dong; Aping Zhang; H. L W Chan; Hwa Yaw Tam; Sailing He

doi:10.1109/LPT.2008.918841

High-frequency ultrasonic hydrophone based on a cladding-etched DBR fiber laser

Li Yang Shao, Sien Ting Lau, Xinyong Dong, Aping Zhang, H. L W Chan, Hwa Yaw Tam, Sailing He

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

47 Citations (Scopus)

Abstract

Distributed-Bragg-reflector (DBR) fiber-laser-based ultrasonic hydrophone has been found to possess increased detectable frequency range due to the improved sensitivity in the high-frequency region when the fiber cladding thickness was reduced. A wet etching technique is utilized to reduce the fiber diameter of the DBR laser. The peak response frequency moves from 21 to 40 MHz when the fiber diameter was reduced from 125 to 68 μm.

Original language	English
Pages (from-to)	548-550
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	20
Issue number	8
DOIs	https://doi.org/10.1109/LPT.2008.918841
Publication status	Published - 15 Apr 2008

Keywords

Fiber Bragg grating
Fiber laser
Fiber-optic sensor
Ultrasonic hydrophone

ASJC Scopus subject areas

Electrical and Electronic Engineering
Atomic and Molecular Physics, and Optics
Physics and Astronomy (miscellaneous)

More information

10.1109/LPT.2008.918841

http://hdl.handle.net/10397/405

Cite this

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abstract = "Distributed-Bragg-reflector (DBR) fiber-laser-based ultrasonic hydrophone has been found to possess increased detectable frequency range due to the improved sensitivity in the high-frequency region when the fiber cladding thickness was reduced. A wet etching technique is utilized to reduce the fiber diameter of the DBR laser. The peak response frequency moves from 21 to 40 MHz when the fiber diameter was reduced from 125 to 68 μm.",

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AU - Zhang, Aping

AU - Chan, H. L W

AU - Tam, Hwa Yaw

AU - He, Sailing

PY - 2008/4/15

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N2 - Distributed-Bragg-reflector (DBR) fiber-laser-based ultrasonic hydrophone has been found to possess increased detectable frequency range due to the improved sensitivity in the high-frequency region when the fiber cladding thickness was reduced. A wet etching technique is utilized to reduce the fiber diameter of the DBR laser. The peak response frequency moves from 21 to 40 MHz when the fiber diameter was reduced from 125 to 68 μm.

AB - Distributed-Bragg-reflector (DBR) fiber-laser-based ultrasonic hydrophone has been found to possess increased detectable frequency range due to the improved sensitivity in the high-frequency region when the fiber cladding thickness was reduced. A wet etching technique is utilized to reduce the fiber diameter of the DBR laser. The peak response frequency moves from 21 to 40 MHz when the fiber diameter was reduced from 125 to 68 μm.

KW - Fiber Bragg grating

KW - Fiber laser

KW - Fiber-optic sensor

KW - Ultrasonic hydrophone

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JO - IEEE Photonics Technology Letters

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High-frequency ultrasonic hydrophone based on a cladding-etched DBR fiber laser

Abstract

Keywords

ASJC Scopus subject areas

More information

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