Search results for: fiber-optics%20sensors
-
Optimization of a Fabry-Perot Sensing Interferometer design for an optical fiber sensor of hematocrit level
PublicationContinuous measurement of the hemato crit level in blo o d can p otentially b e p erformed using optical bre sensors. The FabryPerot interferometric sensors are a promising candidate in this application. The most imp ortant step in the design of the sensor is design of the sensing interferometer. Adequate cavity length and high interference contrast are two most imp ortant requirements in this application. The design metho d of...
-
ALD thin ZnO layer as an active medium in a fiber-optic Fabry-Perot interferometer
Publication.
-
Enhancement of pumping efficiency in 8-core double-clad optical fiber doped with Nd3+
Publication -
Luminescent properties of germanium-based glasses and optical fiber co-doped with rare earth
Publication -
OPTICAL FIBER TECHNOLOGY
Journals -
Optical Memory and Neural Networks (Information Optics)
Journals -
Romanian Review Precision Mechanics, Optics and Mechatronics
Journals -
Guangxue Jingmi Gongcheng/Optics and Precision Engineering
Journals -
The Compass Error Comparison of an Onboard Standard Gyrocompass, Fiber-Optic Gyrocompass (FOG) and Satellite Compass
Publication -
<title>Novel matrix for fiber optic chemical sensors made of particle track polymer</title>
Publication -
Diagnostics of civil engineering structures with use of continuous fiber optic sensors based on Brillouin scattering
Publication -
Development of SPME fiber coatings with tunable porosity for physical confinement of ionic liquids as an extraction media
PublicationExtending the use of ionic liquids in sample preparation techniques remains a challenge. This paper presents procedures enabling the easy application of ionic liquids to the SPME technique. For this purpose, two approaches for producing a porous silica coating on a metal rod were investigated. Two silica precursor and porogen systems were used in the research: K2SiO3 + Formamide and Tetramethyl-orthosilicate + Polyethylene oxide....
-
Broadband Profiled Eye-Safe Emission of LMA Silica Fiber Doped with Tm3+/Ho3+ Ions
Publication -
Crystallization Kinetics and Structural Properties of the 45S5 Bioactive Glass and Glass-Ceramic Fiber Doped with Eu3+
Publication -
Broadband emission at NIR in double-core optical fiber co-doped with Nd3+/Yb3+ions
Publication -
Synthesizing of Sensitizing Glasses in Very Small Volumes and Strictly Controlled Atmospheres for Fiber and Integrated Optic Sensors
Publication -
The Effect of Powder and Emulsion Binders on the Tribological Properties of Particulate Filled Glass Fiber Reinforced Polymer Composites
Publication -
<title>Fiber-optic low-coherence tomography system for visualization of internal structure of ceramic materials</title>
Publication -
Enhancing electrochemical properties of an ITO-coated lossy-mode resonance optical fiber sensor by electrodeposition of PEDOT:PSS
PublicationA sensor working in multiple domains may offer enhanced information about the properties of an investigated analyte, including those containing biological species. It has already been shown that a dual-domain sensing capability, i.e., in optical and electrochemical domains, can be offered by lossy-mode resonance (LMR) sensors based on indium-tin-oxide (ITO) thin film. The spectral response of the LMR sensors depends on the refractive...
-
Upconversion emission in antimony–germanate double-clad optical fiber co-doped with Yb3+/Tm3+ ions
Publication -
NIR to visible upconversion in double – clad optical fiber co-doped with Yb^3+/Ho^3+
Publication -
Structural and luminescent properties of germanate glasses and double-clad optical fiber co-doped with Yb3+/Ho3+
Publication -
Investigation of the TeO2/GeO2 Ratio on the Spectroscopic Properties of Eu3+-Doped Oxide Glasses for Optical Fiber Application
Publication -
APPLIED OPTICS
Journals -
Compositional characteristics and nutritional quality of European beaver (Castor fiber L.) meat and its utility for sausage production
Publication -
Application of thin dielectric films in low coherence fiber-optic Fabry-Pérot sensing interferometers: comparative study
Publication -
The thermoluminescence characteristics and the glow curves of Thulium doped silica fiber exposed to 10MV photon and 21MeV electron radiation
Publication -
Application of sol-gel-developed integrated optic devices to biochemical fiber optic sensors based on polarimetric interferometry.
PublicationW pracy omówiono zasady działania sensorów optycznych wykonanych w technologii optyki zintegrowanej i wykorzystujących interferometrię polaryzacyjną. Zaproponowano konstrukcję jednorazowego przetwornika pomiarowego, wykonanego w technologii sol-żel z materiałów hybrydowych, która umożliwia wykorzystanie nieodwracalnych reakcji chemicznych do pomiarów w medycynie, chemii i ochronie środowiska. Omówiono technologię syntezy materiałów...
-
Tm3+ Doped Multi-Ring Profile Single-Mode Fiber Laser for Application in the Eye-Safe Spectral Range
Publication -
Energy transfer of Tb(tmhd)3 - Rhodamine B in poly(methyl methacrylate) fiber for new photonic applications
Publication -
Ultra-broadband emission in Er3+/Tm3+/Ho3+ triply-doped germanate glass and double-clad optical fiber
Publication -
Investigation on broadband near-infrared emission in Yb3+/Ho3+ co-doped antimony–silicate glass and optical fiber
Publication -
Structural and optical properties of antimony-germanate-borate glass and glass fiber co-doped Eu3+ and Ag nanoparticles
Publication -
Low-cost multiband four-port phased array antenna for sub-6 GHz 5G applications with enhanced gain methodology in Radio-over-fiber systems using modulation instability
PublicationPhased array antenna (PAA) technology is essential for applications requiring high gain and wide bandwidth, such as sensors, medical, and 5G. Achieving such a design, however, is a challenging and intricate process that calls for precise calculations and a combination of findings to alter the phase and amplitude of each unit. Furthermore, coupling effects between these PAA structure elements can only be completed with the use of...
-
Ryszard S. Romaniuk profesor
PeopleProfessor of Electronics, Computer and Communications Engineering at Warsaw University of Technology, Poland; Eisenhower Fellow, Philadelphia, MA USA; SPIE Fellow, Bellingham, WA USA; Editor-in-Chief, International Journal of Electronics and Telecommunications, Polish Academy of Sciences; Photonics Spectra Magazine, EAB Member;
-
Fiber optic interface channels for united data and power supply transmission for neutral interaction application in signal transmission networks
Publication -
The effect of hybridization of fire retarded epoxy/flax-cotton fiber laminates by expanded vermiculite: Structure-property relationship study
PublicationThe study describes the hybridization of epoxy/flax-cotton (EP/FF) composites containing ammonium polyphosphate (APP) with micrometric expanded vermiculite (VMT) (1–10 wt%). The efficiency of hybridization of flame retarded epoxy/flax-cotton composites was assessed by performing static tensile and flexural strength evaluation, supplemented by impact strength measurements of the composites. Moreover, thermal and thermomechanical...
-
Linear antenna microwave chemical vapour deposition of diamond films on long-period fiber gratings for bio-sensing applications
PublicationThe growth processes of nanocrystalline diamond (NCD) thin films on fused silica optical fibers with UV-induced long-period gratings (LPGs) were investigated with regard to biosensing applications. The films were deposited using a linear antenna microwave plasma enhanced chemical vapor deposition system, which allows for the growth of diamond at temperatures below 350°C. The films exhibited a high refractive index n = 2.32, as...
-
Green up-conversion luminescence of erbium-doped oxyfluoride germanate fiber under continuous-wave laser-diode excitation
Publication -
Investigation of upconversion luminescence in Yb3+/Tm3+/Ho3+ triply doped antimony-germanate glass and double-clad optical fiber
Publication -
Association between small fiber neuropathy and higher skin accumulation of advanced glycation end products in patients with type 1 diabetes
Publication -
Gut Microbiome—How Does Two-Month Consumption of Fiber-Enriched Rolls Change Microbiome in Patients Suffering from MASLD?
Publication -
Interferometric optical fiber sensors with active stabilization of the operating point using a tunable semiconductor laser. Optical Fibres and Their Applications VIII.
PublicationW pracy przedstawiono wyniki badań światłowodowych interferometrycznych sensorów siły wykonanych w konfiguracji interferometru Michelsona i wykorzystujących aktywną stabilizację punktu pracy przy pomocy zmiany długości fali źródła. Porównano dwie klasy omawianych sensorów a następnie zrealizowano sensor. W konstrukcji sensora zastosowano modulator z pośrednim pomiarem siły. Mierzona siła jest zamieniana na ciśnienie hydrostatyczne,...
-
Photophysical characterization of polymeric fiber preforms using Tb(tmhd)3 and Eu(tmhd)3 as dopants during the polymerization process
Publication -
Tm3+/Ho3+co-doped germanate glass and double-clad optical fiber for broadband emission and lasing above 2 µm
Publication -
Structure and Luminescence Properties of Transparent Germanate Glass-Ceramics Co-Doped with Ni2+/Er3+ for Near-Infrared Optical Fiber Application
Publication -
Two-photon microperimetry with picosecond pulses
PublicationTwo-photon vision is a phenomenon associated with the perception of short pulsesof near-infrared radiation (900-1200 nm) as a visible light. It is caused by the nonlinear processof two-photon absorption by visual pigments. Here we present results showing the influence ofpulse duration and repetition rate of short pulsed lasers on the visual threshold. We comparedtwo-photon sensitivity maps of the retina obtained for subjects with...
-
Application of the laser diode with central wavelength 975 nm for the therapy of neurofibroma and hemangiomas
PublicationThis paper presents newly developed dermatological laser (with central wavelength 975 nm) for application in therapies requiring deep penetration of tissue, e.g. cutaneous (dermal) neurofibroma (Recklinghausen disease) and hemangiomas. This laser can work either in pulse or continues wave mode. Laser radiation is transmitted toward the application region by optical fiber with a diameter of 0.6 mm. The compact design of the laser...
-
The thermoluminescence glow curve and the deconvoluted glow peak characteristics of erbium doped silica fiber exposed to 70–130 kVp x-rays
Publication -
OPTICS AND LASERS IN ENGINEERING
Journals