Recent advances in phase-sensitive optical time domain reflectometry (Ф-OTDR)
Phase-sensitive optical time domain reflectometry (Ф-OTDR) is an effective way to detect
vibrations and acoustic waves with high sensitivity, by interrogating coherent Rayleigh …
vibrations and acoustic waves with high sensitivity, by interrogating coherent Rayleigh …
Polarimetric heterodyning fiber grating laser sensors
Fiber grating laser sensors have been attracting great interest because of their high signal-to-
noise ratio and narrow linewidth that permit high resolution sensing. According to the …
noise ratio and narrow linewidth that permit high resolution sensing. According to the …
Ultrasonic hydrophone based on distributed Bragg reflector fiber laser
We demonstrate a novel fiber-optic hydrophone that uses a dual polarization distributed
Bragg reflector (DBR) fiber laser as sensing element. The operation principle is based on …
Bragg reflector (DBR) fiber laser as sensing element. The operation principle is based on …
Distributed feedback fiber laser strain sensor technology
SB Foster, GA Cranch, J Harrison… - Journal of Lightwave …, 2017 - opg.optica.org
Distributed feedback fiber laser (DFB FL) sensors have been the subject of considerable
research interest over the past decade, due primarily to their remarkable inherent strain …
research interest over the past decade, due primarily to their remarkable inherent strain …
Fiber laser based on a fiber Bragg grating and its application in high-temperature sensing
F Huang, T Chen, J Si, X Pham, X Hou - Optics Communications, 2019 - Elsevier
We demonstrated a linear-cavity fiber laser using a fiber Bragg grating (FBG) fabricated by
femtosecond laser and a Sagnac loop as cavity mirrors. The temperature sensing response …
femtosecond laser and a Sagnac loop as cavity mirrors. The temperature sensing response …
Demonstration of a passive subpicostrain fiber strain sensor
We demonstrate a fiber Fabry–Perot (FFP) sensor that is capable of detecting subpicostrain
signals, from 100 Hz and extending beyond 100 kHz, using the Pound–Drever–Hall (PDH) …
signals, from 100 Hz and extending beyond 100 kHz, using the Pound–Drever–Hall (PDH) …
Review of fibre optic hydrophones for potential application in offshore carbon storage monitoring
This review paper explores the advancements in fibre optic hydrophones for their potential
application in offshore carbon storage monitoring. As global carbon dioxide (CO 2) …
application in offshore carbon storage monitoring. As global carbon dioxide (CO 2) …
A fiber laser hydrophone
S Foster, A Tikhomirov, M Milnes… - … on Optical Fibre …, 2005 - spiedigitallibrary.org
A new fibre optic hydrophone based on a distributed feedback fibre laser (DFB FL) sensor is
described. The sensor is designed to achieve ocean noise limited pressure sensitivity …
described. The sensor is designed to achieve ocean noise limited pressure sensitivity …
System and method for monitoring performance of downhole equipment using fiber optic based sensors
BA Hardage, JL Maida Jr, ES Johansen - US Patent 7,028,543, 2006 - Google Patents
(54) SYSTEM AND METHOD FORMONITORING 6,167.965 B1 1/2001 Bearden et al.
PERFORMANCE OF DOWNHOLE 6,268,911 B1 7/2001 Tubel et al. EQUIPMENT USING …
PERFORMANCE OF DOWNHOLE 6,268,911 B1 7/2001 Tubel et al. EQUIPMENT USING …
DFB fibre-laser sensor developments
DJ Hill, B Hodder, J De Freitas… - … on optical fibre …, 2005 - spiedigitallibrary.org
Distributed feedback (DFB) fibre-laser sensors have been shown to exhibit many
characteristics useful in a range of sensing applications. Uniquely, fibre laser sensors …
characteristics useful in a range of sensing applications. Uniquely, fibre laser sensors …