Optical fiber acoustic sensor utilizing mode-mode interference
MR Layton, JA Bucaro - Applied optics, 1979 - opg.optica.org
A method for detecting sound using a single step-index multimode fiber is presented. The
detected signal results from differences in acoustically induced phase shifts between two …
detected signal results from differences in acoustically induced phase shifts between two …
Single fiber interferometric acoustic sensor
JA Bucaro, EF Carome - Applied optics, 1978 - opg.optica.org
Abstract Recent publications [1]–[3] have reported the detection of acoustically induced
phase modulation in optical fibers. The first two discussed such an effect for use as a …
phase modulation in optical fibers. The first two discussed such an effect for use as a …
Fiber‐optic detection of sound
JH Cole, RL Johnson, PG Bhuta - The Journal of the Acoustical Society …, 1977 - pubs.aip.org
The response of an optical fiber in water to low‐frequency acoustic waves was investigated
experimentally and compared with analytical results. A single‐mode optical fiber was used …
experimentally and compared with analytical results. A single‐mode optical fiber was used …
Fiber-optic acoustic sensor based on the Sagnac interferometer
E Udd - Single Mode Optical Fibers, 1983 - spiedigitallibrary.org
A series of fiber-optic acoustic sensors based on the Sagnac interferometer are described.
Features of these sensors include filtering of low-frequency signal components, use of a …
Features of these sensors include filtering of low-frequency signal components, use of a …
Detector for an optical-fiber acoustic sensor using dynamic holographic interferometry
It is shown that the acoustically induced phase modulation of coherent light propagating
within a multimode optical fiber may be linearly detected by an interferometer employing an …
within a multimode optical fiber may be linearly detected by an interferometer employing an …
Fiber-optic acoustic sensors with increased sensitivity by use of composite structures
GB Hocker - Optics Letters, 1979 - opg.optica.org
Fiber-optic acoustic sensors having sensitivity nearly 2 orders of magnitude greater than that
of sensors using bare fiber are reported. These new devices utilize a composite structure …
of sensors using bare fiber are reported. These new devices utilize a composite structure …
Acoustic sensing with a single coiled monomode fiber
SC Rashleigh - Optics letters, 1980 - opg.optica.org
A single monomode fiber-optic acoustic sensor is proposed. The acoustic wave differentially
changes the phase velocities of the polarization eigenmodes in a tension-coiled fiber …
changes the phase velocities of the polarization eigenmodes in a tension-coiled fiber …
Twenty-five years of interferometric fiber optic acoustic sensors at the Naval Research Laboratory
JH Cole, C Kirkendall, A Dandridge, G Cogdell… - Journal of the …, 2004 - JSTOR
Interferometric fiber optic acoustic sensors are based on measuring the phase change of
light traveling in an optical fiber due to the strains developed in the fiber by an applied …
light traveling in an optical fiber due to the strains developed in the fiber by an applied …
Measurement of sensitivity of optical fibers for acoustic detection
JA Bucaro, TR Hickman - Applied optics, 1979 - opg.optica.org
Acoustically induced optical phase modulation has been measured in single-mode fibers
over the acoustic frequency range of 100–1400 Hz. These results are compared to the …
over the acoustic frequency range of 100–1400 Hz. These results are compared to the …
[引用][C] Similarities and differences between fiber acoustics and fiber optics
CK Jen - IEEE 1985 Ultrasonics Symposium, 1985 - ieeexplore.ieee.org
In most applications using acoustic OK optical fibers, cladded fiber geometry consisting of a
core and a cladding is preferred over the single rod due to its (i) lower sensitivitytothe …
core and a cladding is preferred over the single rod due to its (i) lower sensitivitytothe …