This article presents a short-range fiber-optic quasi-distributed sensing device suitable for strain and temperature measurement. The sensing assembly consists of an fs laser inscribed reference mirror and a sensing array of equidistantly positioned mirrors. Utilization of the reference mirror and Read More …
Author: Blaž
An all-fiber Fabry-Perot sensor for emulsion concentration measurements
This paper describes a Fabry–Pérot sensor-based measuring system for measuring fluid composition in demanding industrial applications. The design of the sensor is based on a two-parametric sensor, which enables the simultaneous measurement of temperature and refractive index (RI). The system Read More …
Miniaturni optični-vlakenski senzorji prostih radikalov za nadzor plazemskih procesov
Šifra projekta: L2-4487-0796-22 Trajanje projekta: 01.10.2022 – 30.09.2025 Vodja projekta: prof. ddr. Denis Đonlagić Povzetek projekta: Plazemske tehnologije so se uveljavile kot ključne omogočitvene tehnologije v Slovenski strategiji pametne specializacije (S4). Plazemske tehnologije pogosto predstavljajo benigno ekološko alternativo postopkom mokre Read More …
Microbend Point and Distributed Fiber Optic Corrosion Sensing
Corrosion-induced optical fiber microbending is demonstrated within this article as an efficient method for the design of sensors for the detection and localization of corrosion events on monitored metal surfaces. The proposed sensors were demonstrated in a single point and Read More …
Nano-strain resolution fiber-optic Fabry-Perot sensors compatible with moderate/low resolution VIS-NIR spectrometers
This paper reports on nano-strain resolution fiber-optic Fabry-Perot sensors produced by an improved selective etching method. The presented sensors exhibit high spectral sensitivity, low intrinsic temperature response, small size and mounting comparable to conventional Fiber Bragg gratings. Furthermore, the proposed Read More …
Miniature magneto-optic angular position sensor
This Letter describes a miniature Fabry–Perot, contactless, magneto-optic sensor for angular position measurement. The sensor utilizes a magneto-optic fluid comprising barium hexaferrite nanoplatelets that become birefringent in the presence of an external magnetic field and a compact fiber-optic sensor system Read More …
Resonant-opto-thermomechanical oscillator (ROTMO): a low-power, large displacement, high-frequency optically driven microactuator
A light-driven micromechanical oscillator is presented, which can be operated by a low optical power (in the mW, or even the µW range), can produce large mechanical displacements (>5–100 µm), and can be designed to operate at frequencies from sub-kHz up Read More …
Distribution of the deposition rates in an industrial-size PECVD reactor using HMDSO precursor
The deposition rates of protective coatings resembling polydimethylsiloxane (PDMS) were measured with numerous sensors placed at different positions on the walls of a plasma-enhanced chemical vapor deposition (PECVD) reactor with a volume of approximately 5 m3. The plasma was maintained Read More …
Optical flow sensor based on the thermal time-of-flight measurement
This paper presents a dielectric, all-optical thermal time-of-flight fluid flow velocity sensor. The proposed sensor utilizes a sequence of three short sections of optical fibers, which are positioned in a direction perpendicular to the measured fluid flow. One of these Read More …
All silica micro-fluidic flow injection sensor system for colorimetric chemical sensing
This paper presents a miniature, all-silica, flow-injection sensor. The sensor consists of an optical fiber-coupled microcell for spectral absorption measurements and a microfluidic reagent injection system. The proposed sensor operates in back reflection mode and, with its compact dimensions, (no Read More …