Electric field sensitive optical fibre using piezoelectric polymer coating

Donalds, L.J.; French, W. G.; Mitchell, Wm. C.; Swinehart, Robert; Wei, T.

doi:10.1049/el:19820223

Cited by 29 publications

(6 citation statements)

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“…combination of piezoelectric thin films and optical fibers allows the creation of such integrated devices. They include optical phase shifters[I-51 and modulators, wavelength tunable optical filters [5], flexural fiber actuators for scanning near field microscopy [5] and electric field sensors [6]. Most of these devices are produced from the same basic multilayer fiber coating structure that consists of 3 concentric layers deposited directly on a bare optical fiber as shown on FIG.…”

Section: Influence Of the Deposition Temperature And Pb Species Flux mentioning

confidence: 99%

Influence of the deposition temperature and PB species flux on the characteristics of PbTiO₃thin films deposited by sputtering on optical fibers

1999

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Integrated optical devices can be fabricated by the deposition of an electrode/piezoelectric/electrode multilayer thin film structure onto optical fibers. The particular structure used in this work is Au/PbTi03/Pt/Ti, where the PbTiO3 is deposited by DC reactive magnetron sputtering at high temperature to obtain in situ crystallised perovskite structure. Preliminary studies showed that the deposition temperature and the relative fluences of the Pb and Ti species are determining parameters for the growth of phase pure perovskite PbTiO,. This study shows the effect of both parameters on the resulting film. The occurrence of a self-stabilising region for the growth of pure perovskite phase PbTi03 has been observed. The maximal achievable dielectric constant depends on the relative Pb flux used. It increases with increasing PbO to TiO, fluxes ratio. X-ray, microstructure, conductivity results and optical response of the devices are also briefly presented. An optical phase shift of 0.4 mradN has been measured for low frequency electrical excitation.

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Section: Influence Of the Deposition Temperature And Pb Species Flux mentioning

confidence: 99%

Influence of the deposition temperature and PB species flux on the characteristics of PbTiO₃thin films deposited by sputtering on optical fibers

1999

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“…The sensitive element is a waveguide with a core made of silicon dioxide doped with germanium and a cladding made of the same dioxide but doped with florine and phosphorus; the cladding is then covered by a piezoelectric polymer. 96 If a fiber waveguide is wound on a cylinder made of a magnetostrictive material (nickel, metallic glass, 97 etc.-see Fig. 38) and placed in one of the arms of a Mach-Zehnder interferometer, then changes in the dimensions of this cylinder and, consequently, in the waveguide induced by an external magnetic field create an additional phase shift in this interferometer arm, which can be used as the basis for magnetic field sensors.…”

Section: Phase Sensors Based On Homodyne and Heterodyne Mach-zehnder mentioning

confidence: 99%

Optical and fiber-optic sensors (review)

Бусурин¹,

Семенов²,

Udalov³

1985

Sov. J. Quantum Electron.

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Kvantovaya Elektron. (Moscow) 12, 901-944 (May 1985)Optical, fiber-optic, and integrated optical sensors of physical effects are reviewed. The sensors are classified in accordance with their operating principle: amplitude, interference, and polarization sensors are considered. Descriptions are given of the construction of the sensors (or of their sensitive elements) which can react to mechanical quantities (displacement, force, acceleration), acoustic vibrations and pressure, electric and magnetic fields, electric current, temperature, angular velocity, etc. Some of their principal characteristics are described. Important parameters of known sensors are presented in a classified reference table.

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“…To achieve field strength sensing, most of optical E -field sensors utilize the electro-optic (EO) effects such as Pockels and Kerr effects existing in some crystals, and electrostrictive effects existing in some polymers and piezoelectric materials [12,13,14,15,16]. These physical effects modulate the birefringence of EO materials or the effective refractive index of optical fiber, which can be detected with the most common methods such as using fiber-optic interferometers [14,15] or polarimeters.…”

Section: Introductionmentioning

confidence: 99%

Power-Frequency Electric Field Sensing Utilizing a Twin-FBG Fabry–Perot Interferometer and Polyimide Tubing with Space Charge as Field Sensing Element

Wang

Fang

2019

Sensors

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A novel fiber-optic sensor based on the alternating electric field force actions on polyimide tubing with space charge for power-frequency electric field sensing is presented. In structure, the sensor consists of a lightweight fiber cantilever beam covered with a length of electrically charged polyimide tubing as the field sensing element. A twin-FBG based Fabry–Perot interferometer is embedded in this fiber beam to detect the beam vibrations excited by the force of power-frequency electric field to be sensed. Space charge in polyimide tubing is formed through a dielectric charging process. The basic concept, structure, fabrication and operation principle of the sensor are introduced with detailed theoretical analyses. The comprehensive experiments with two sensor prototypes are carried out, in which a sensor exhibits a high sensitivity of 173.65 μV/(V/m) with a minimal detectable field strength of 0.162 V/m, and another has a durability of continuous operation for over a year.

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Electric field sensitive optical fibre using piezoelectric polymer coating

Cited by 29 publications

References 0 publications

Influence of the deposition temperature and PB species flux on the characteristics of PbTiO₃thin films deposited by sputtering on optical fibers

Influence of the deposition temperature and PB species flux on the characteristics of PbTiO₃thin films deposited by sputtering on optical fibers

Optical and fiber-optic sensors (review)

Power-Frequency Electric Field Sensing Utilizing a Twin-FBG Fabry–Perot Interferometer and Polyimide Tubing with Space Charge as Field Sensing Element

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Electric field sensitive optical fibre using piezoelectric polymer coating

Cited by 29 publications

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Influence of the deposition temperature and PB species flux on the characteristics of PbTiO3thin films deposited by sputtering on optical fibers

Influence of the deposition temperature and PB species flux on the characteristics of PbTiO3thin films deposited by sputtering on optical fibers

Optical and fiber-optic sensors (review)

Power-Frequency Electric Field Sensing Utilizing a Twin-FBG Fabry–Perot Interferometer and Polyimide Tubing with Space Charge as Field Sensing Element

Contact Info

Product

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Influence of the deposition temperature and PB species flux on the characteristics of PbTiO₃thin films deposited by sputtering on optical fibers

Influence of the deposition temperature and PB species flux on the characteristics of PbTiO₃thin films deposited by sputtering on optical fibers