Infrastrukturni program na fakulteti FERI vključuje uporabo vrhunske opreme za raziskave na področjunaprednih materialov, fotonike, mikro in nano tehnologije, računalništva, meritev in senzorjev. Interdisciplinarna skupina sodelujočih raziskovalcev z obsežnim naborom vrhunske opreme izvaja podporne raziskave za podporo raziskovalnim in razvojnim Read More …
Author: Blaž
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, foams and deposits. The level Read More …
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., can be expected. An experimental Read More …
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, etc., can be expected. The Read More …
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 demonstrated in practice. The proposed Read More …
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 microphone is used as an Read More …
Interrogation of FBGs and FBGs arrays using standard telecom DFB diode
An efficient fiber Bragg grating (FBG) sensor integration system, which utilizes a small number of standard Telecom opto-electronics components, is presented in this paper. Wavelength-swept optical pulses were generated by driving a standard telecom DFB laser diode by high amplitude Read More …
High-speed interrogation of low-finesse Fabry-Perot sensors using a Telecom DFB laser diode
This paper presents a high-speed high-resolution low-finesse Fabry-Perot sensor interrogation system. The system utilizes a standard telecommunication distributed-feedback laser diode and an all-digital high-speed signal processing based on field-programmable-gate-array. The system can resolve multiple Fabry-Perot Interferometers (FPI) simultaneously, which might Read More …
An all-fiber scanning interferometer with a large optical path length difference
This paper describes the design of an all-fiber scanning interferometer. The main component of the system is a thermoelectric cooler that can rapidly heat or cool several meters of optical fiber. Over 4 cm variation of optical path length is Read More …
High-resolution spectrally-resolved fiber optic sensor interrogation system based on a standard DWDM laser module
This paper presents a spectrally-resolved integration system suitable for the reading of Bragg grating, all-fiber Fabry-Perot, and similar spectrally-resolved fiber-optic sensors. This system is based on a standard telecommunication dense wavelength division multiplexing transmission module that contains a distributed feedback Read More …
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