Leszek R. Jaroszewicz
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View article: A Refractive Index Sensor Based on Spectral Interrogation of a Long Tapered Side-Hole Optical Fiber
A Refractive Index Sensor Based on Spectral Interrogation of a Long Tapered Side-Hole Optical Fiber Open
This article describes an external refractive index (RI) sensor based on a spectral analysis of the light transmission through a long tapered side-hole optical fiber (S-H OF). A section of the S-H OF was fusion-spliced with SMFs at both en…
View article: Optical fibre sensors utilizing evanescent wave interactions with a functional coating layer for the detection of liquid-phase vapours based on their evaporation temperatures
Optical fibre sensors utilizing evanescent wave interactions with a functional coating layer for the detection of liquid-phase vapours based on their evaporation temperatures Open
View article: Self-noise reduction in a FOG-based rotational seismometer confirmed by Allan variance analysis
Self-noise reduction in a FOG-based rotational seismometer confirmed by Allan variance analysis Open
Reducing noise in fibre-optic gyroscope (FOG)-based rotational seismometers is crucial in guaranteeing their applicability as future high-precision sensors. This paper presents a practical approach to noise analysis of a designed and manuf…
View article: Rotational motion investigation in seismology – remote sensing by an optical fiber seismograph
Rotational motion investigation in seismology – remote sensing by an optical fiber seismograph Open
This paper aims to present data recorded by a three-axial Fiber-Optic Rotational Seismograph (FORS). The laboratory and field tests showed a high correlation coefficient above 99% between two seismographs signals during the external distur…
View article: A Review of Rotational Seismology Area of Interest from a Recording and Rotational Sensors Point of View
A Review of Rotational Seismology Area of Interest from a Recording and Rotational Sensors Point of View Open
This article reviews rotational seismology, considering different areas of interest, as well as measuring devices used for rotational events investigations. After a short theoretical description defining the fundamental parameters, the aut…
View article: Technology and research on the influence of liquid crystal cladding doped with magnetic Fe3O4 nanoparticles on light propagation in an optical taper sensor
Technology and research on the influence of liquid crystal cladding doped with magnetic Fe3O4 nanoparticles on light propagation in an optical taper sensor Open
The results obtained for new dual-cladding optical fiber tapers surrounded by liquid crystal (LC) doped with Fe 3 O 4 nanoparticles in a specially developed glass cell are presented. The created structures are sensitive to changes in refra…
View article: Firmware development for the fibre-optic seismometer based on FOG
Firmware development for the fibre-optic seismometer based on FOG Open
The main goal of the article is to present the concept of using a simulation environment when designing an advanced fibre-optic seismometer (FOS) using a field-programmable gate array (FPGA) computing system. The first part of the article …
View article: Rotational Motion Investigation in Seismology – Remote Sensing by an Optical Fiber Seismograph
Rotational Motion Investigation in Seismology – Remote Sensing by an Optical Fiber Seismograph Open
View article: Wonderful and Yet Strange is This World – My Tribute to Professor Roman Teisseyre
Wonderful and Yet Strange is This World – My Tribute to Professor Roman Teisseyre Open
View article: AI Classification of Eggs’ Origin from Mycoplasma synoviae-Infected or Non-Infected Poultry via Analysis of the Spectral Response
AI Classification of Eggs’ Origin from Mycoplasma synoviae-Infected or Non-Infected Poultry via Analysis of the Spectral Response Open
Rapid detection of Mycoplasma synoviae (MS) in a flock is crucial from the perspective of animals’ health and economic income. MS are highly contagious bacteria that can cause significant losses in commercial poultry populations when its p…
View article: AI Classification of Eggs Origin from Mycoplasma synovia Infected Poultry or Not by Analysis of the Spectral Response
AI Classification of Eggs Origin from Mycoplasma synovia Infected Poultry or Not by Analysis of the Spectral Response Open
Mycoplasma synoviae (MS) is a highly contagious bacteria that can cause significant harm in commercial poultry populations while not prevented. Rapid detection of its presence in a flock is crucial from the perspective of animals' hea…
View article: Investigation of transmission properties of a tapered optical fibre with gold nanoparticles liquid crystal composite cladding
Investigation of transmission properties of a tapered optical fibre with gold nanoparticles liquid crystal composite cladding Open
The article presents a study of a hybrid structure based on the combination of a tapered optical fibre and gold nanoparticles dispersed in a liquid crystal material. Sensitivity to changes of the refractive index of the environment in whic…
View article: Development of Three-Axis Fibre-Optic Seismograph for Direct and Autonomous Monitoring of Rotational Events with Perspective of Historical Review
Development of Three-Axis Fibre-Optic Seismograph for Direct and Autonomous Monitoring of Rotational Events with Perspective of Historical Review Open
The paper presents historical perspective of fibre-optic seismographs designed and constructed at the Institute of Applied Physics at Military University of Technology, Poland based on the so-called minimum configuration of fibre-optic gyr…
View article: Multispectral Portable Fibre-Optic Reflectometer for the Classification of the Origin of Chicken Eggshells in the Case of Mycoplasma synoviae Infections
Multispectral Portable Fibre-Optic Reflectometer for the Classification of the Origin of Chicken Eggshells in the Case of Mycoplasma synoviae Infections Open
The proper classification of the origins of food products is a crucial issue all over the world nowadays. In this paper, the authors present a device—a multispectral portable fibre-optic reflectometer and signal processing patch—together w…
View article: Post-Processing of Raw Data Recorded Continuously Using a FORS—Fibre-Optic Rotational Seismograph
Post-Processing of Raw Data Recorded Continuously Using a FORS—Fibre-Optic Rotational Seismograph Open
Modern optoelectronic devices use the advantage of digital systems for data processing aimed at delivering reliable information. However, since commonly used DACs have limited accuracy, some artefacts can be observed in data streams, espec…
View article: Optical Properties of a Tapered Optical Fiber Coated with Alkanes Doped with Fe3O4 Nanoparticles
Optical Properties of a Tapered Optical Fiber Coated with Alkanes Doped with Fe3O4 Nanoparticles Open
The presented research shows the possibilities of creating in-line magnetic sensors based on the detection of changes of light propagation parameters, especially polarization, obtained by mixing Fe3O4 nanoparticles with hexadecane (higher …
View article: SPR Sensor Based on a Tapered Optical Fiber with a Low Refractive Index Liquid Crystal Cladding and Bimetallic Ag–Au Layers
SPR Sensor Based on a Tapered Optical Fiber with a Low Refractive Index Liquid Crystal Cladding and Bimetallic Ag–Au Layers Open
This paper presents a study of the influence of bimetallic layer covers of a tapered optical fiber surrounded by a low refractive index liquid crystal on the properties of light propagation in the taper structure. This research follows pre…
View article: Threshold Volatile Organic Compounds Sensor Based on Polymer Microtip
Threshold Volatile Organic Compounds Sensor Based on Polymer Microtip Open
The development of optical fiber sensor technology has led to interest in the use of new elements for functionalizing the fiber end face. The modification of this part of the fiber can be conducted by forming a polymer microtip (PM). The t…
View article: SPR Sensor Based on Tapered Optical Fiber with a Low Refractive Index Liquid Crystal Cladding
SPR Sensor Based on Tapered Optical Fiber with a Low Refractive Index Liquid Crystal Cladding Open
Tapered optical fibers, due to their specific optical properties, are great sensing elements. During the elongation of an optical fiber, a tapered waist forms, which allows the electromagnetic wave to propagate in the whole volume of this …
View article: Research on Optical Properties of a Tapered Optical Fiber with Higher Alkane Cladding Doped with Fe3O4 Nanoparticles
Research on Optical Properties of a Tapered Optical Fiber with Higher Alkane Cladding Doped with Fe3O4 Nanoparticles Open
The presented research shows the effect of mixing Fe3O4 nanoparticles with higher alkanes on the propagation of the light wave in a biconical, adiabatic optical fiber taper. A fiber optic taper makes it possible to directly influence the l…
View article: A Multispectral Portable Optical Fiber Reflectometer
A Multispectral Portable Optical Fiber Reflectometer Open
Today, multispectral optical sensors are extensively studied in non-contact and remote imaging systems. However, our previous experimental studies have shown that the changes in the reflective properties of chicken eggshells allow for the …
View article: Evaluation of Thermo-Optical Properties of Selected Liquids by Photonic Crystal Fiber-Based Sensor
Evaluation of Thermo-Optical Properties of Selected Liquids by Photonic Crystal Fiber-Based Sensor Open
Thermo-optical properties of liquid materials are very important in many practical applications. The temperature dependence of the refractive index (RI) is usually sufficient to fully characterize a given material, however, for some applic…
View article: Ferroelectric liquid-crystal modulator with large switching rotation angle for polarization-independent binary phase modulation
Ferroelectric liquid-crystal modulator with large switching rotation angle for polarization-independent binary phase modulation Open
In this work a ferroelectric liquid crystal (FLC) modulator with a non-standard large switching rotation angle, close to 90∘, is fabricated and characterized. The modulator acts as a switchable wave-plate with an in-plane rotation of the p…
View article: A test performance of optical fibre sensors for real-time investigations of rotational seismic events: a case study in laboratory and field conditions
A test performance of optical fibre sensors for real-time investigations of rotational seismic events: a case study in laboratory and field conditions Open
Preliminary results of laboratory and field tests of fibre optic rotational seismographs designed for rotational seismology are presented. In order to meet new directions of the research in this field, there is clearly a great need for sui…
View article: A highly sensitive instrument for direct and long-term observations of seismic and natural-mode rotational movements
A highly sensitive instrument for direct and long-term observations of seismic and natural-mode rotational movements Open
<p>Over the last decade, the interest of rotational ground movements has become significant in the field of seismological research, especially in seismic engineering. Being able to reliably detect and record rotational motions is a k…
View article: Polymer Microtip on a Multimode Optical Fiber as a Threshold Volatile Organic Compounds Sensor
Polymer Microtip on a Multimode Optical Fiber as a Threshold Volatile Organic Compounds Sensor Open
Polymer microtips are 3D microstructures manufactured on the end face of an optical fiber by using the photopolymerization process. Such micro-optic elements made on a multi-mode optical fiber were previously tested as a transducer of refr…
View article: Episode: MUSE2 KWK ROW - Rydułtowy
Episode: MUSE2 KWK ROW - Rydułtowy Open
View article: Episode: MUSE1 KWK Ruda - Bielszowice
Episode: MUSE1 KWK Ruda - Bielszowice Open
View article: Episode: MUSE1 Regional Polygon
Episode: MUSE1 Regional Polygon Open
View article: Enhancement of the SPR Effect in an Optical Fiber Device Utilizing a Thin Ag Layer and a 3092A Liquid Crystal Mixture
Enhancement of the SPR Effect in an Optical Fiber Device Utilizing a Thin Ag Layer and a 3092A Liquid Crystal Mixture Open
This paper is a continuation of previous work and shows the enhancement of the surface plasmon resonance effect in a tapered optical fiber device. The study investigated liquid crystal cells containing a tapered optical fiber covered with …