Raziskovalno delo
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Optically controlled fiber-optic micro-gripper for sub-millimeter objects
A miniature, fully optically controlled, dielectric, opto-thermally actuated tweezer/micro-gripper that is suitable for the manipulation of small objects is presented. The tweezer/micro-gripper is formed at the tip of an optical fiber and utilizes a mid-power…
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A miniature fabry perot sensor for twist/rotation, strain and temperature measurements based on a four-core fiber
In this article, a novel miniature Fabry-Perot twist/rotation sensor using a four core fiber and quadruple interferometer setup is presented and demonstrated. Detailed sensor modeling, analytical evaluation and test measurement assessment were conducted in this…
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Multiparameter miniature fiber-optic sensor : design and signal interrogation
Miniature, all-silica, fiber-optic sensors capable of independent measurement of at least two different parameters arepresented. Sensors were produced by a micromachining process based on the selective etching of specially designed phosphorous-doped optical fibers and an…
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All-fiber, thermo-optic liquid level sensor
This paper proposes an all-optical-fiber sensor for continuous measurements of liquid levels. The proposed sensor utilizes an optically absorbing vanadium doped optical fiber, which is configured as a long-gauge, optically-heated, fiber-optic, Fabry-Perot interferometer that is…
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Miniature fiber-optic Fabry-Perot refractive index sensor for gas sensing with a resolution of 5×10−9 RIU
This paper presents a micro-machined, high-resolution refractive index sensor suitable for monitoring of small changes in the composition of gases. Experimentally demonstrated measurement resolution, induced by gas composition variation, proved to be in the range…
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The Use of One-Dimensional Acoustical Gas Resonator for Fluid Level Measurements
A new level measurement method based on the onedimensional (1-D) acoustics gas resonator is presented. The proposed method has been investigated in detail, and experimental gauges have been built and tested under artificially induced residues,…
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Low-frequency acoustic resonance level gauge
A new level-measurement method is presented. It is based on the acoustic resonance of a waveguide. This method can be successfully implemented for fluid-level measurements in industrial plants, where problems of residues, deposits, foams, etc.,…
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Low-frequency acoustic resonance level detector with neural-network classification
This work presents a new level-detection method, it is based on the acoustic resonance of a waveguide. This method can be successfully implemented for fluid-level detection in industrial plants, where problems of residues, deposits, foams,…
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A robust miniature acoustical liquid level gauge with micrometer resolution
This paper presents concept and design of a miniature liquid level gauge. An experimental level gauge with the measurement range of 5 cm, relative accuracy better than 0.5% and resolution better than 0.1%, has been…
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An electrically passive fluid level gauge based on an acoustic resonator
This paper describes a novel electrically passive fluid level gauge. It is based on a one-dimensional low-frequency acoustic gas resonator. The acoustical power is delivered to the resonator an the acoustic waveguide and a fibre-optic…