Results 21 to 30 of about 18,423 (164)

A High-Sensitivity Fiber Optic Soil Moisture Sensor Based on D-Shaped Fiber and Tin Oxide Thin Film Coatings [PDF]

open access: yesSensors
We present a high-sensitivity fiber optic soil moisture sensor based on side-polished multimode fibers and lossy mode resonance (LMR). The multimode fibers (MMFs), after side-polishing to form a D-shaped structure, are coated with a single-layer SnO2 ...
Chuen-Lin Tien   +3 more
doaj   +2 more sources

Lossy mode resonances in photonic crystal fibers [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2021
AbstractThe interaction effect of the fundamental mode in a special photonic crystal fiber (PCF) with a thin-film absorbing coating deposited on a surface of a fiber cladding on the optical transmission of the PCF is theoretically studied. It is shown that the transmission has a multi-peak spectrum that is determined by the resonance capture of the ...
Mauricio Salazar Sicacha   +5 more
openaire   +1 more source

Multichannel Refractometer Based on Lossy Mode Resonances

open access: yesIEEE Sensors Journal, 2022
This work was supported in part by the Spanish Ministry of Economy and Competitiveness under Grant PID2019-106070RB-I00 and Grant PID2019-106231RB-I00.
Ismel Dominguez   +4 more
openaire   +2 more sources

Ammonia Gas Optical Sensor Based on Lossy Mode Resonances

open access: yesIEEE Sensors Letters, 2023
This letter presents the fabrication and characterization of an ammonia (NH 3) gas optical sensor based on lossy mode resonances (LMRs). A chromium (III) oxide (Cr 2 O 3) thin film deposited onto a planar waveguide was used as LMR supporting coating. The obtained LMR shows a maximum attenuation wavelength or resonance wavelength centered at 673 nm. The
Dayron Armas   +3 more
openaire   +2 more sources

Quantized quasinormal-mode theory of coupled lossy and amplifying resonators [PDF]

open access: yesPhysical Review A, 2022
In the presence of arbitrary three-dimensional linear media with material loss and amplification, we present an electromagnetic field quantization scheme for quasinormal modes (QNMs), extending previous work for lossy media [Franke et al., Phys. Rev. Lett. 122, 213901 (2019)].
Sebastian Franke   +2 more
openaire   +2 more sources

Design rules for lossy mode resonance based sensors [PDF]

open access: yesApplied Optics, 2012
Lossy mode resonances can be obtained in the transmission spectrum of cladding removed multimode optical fiber coated with a thin-film. The sensitivity of these devices to changes in the properties of the coating or the surrounding medium can be optimized by means of the adequate parameterization of the coating refractive index, the coating thickness ...
Del Villar, Ignacio   +6 more
openaire   +4 more sources

Development of a Temperature-Controlled Optical Planar Waveguide Sensor with Lossy Mode Resonance for Refractive Index Measurement

open access: yesPhotonics, 2021
The generation of lossy mode resonances (LMR) with a metallic oxide film deposited on an optical fiber has attracted the attention of many applications.
Yu-Cheng Lin, Liang-Yü Chen
doaj   +1 more source

(INVITED)Nanocoated fiber label-free biosensing for perfluorooctanoic acid detection by lossy mode resonance

open access: yesResults in Optics, 2021
The determination of per- and polyfluoroalkyl substances (PFAS) in environmental samples, such as drinking waters, requires the design of high performing and versatile sensing strategies.
Giulia Moro   +9 more
doaj   +1 more source

Optical sensors based on lossy-mode resonances [PDF]

open access: yesSensors and Actuators B: Chemical, 2017
Alojado según Res. CNEAI 5/12/23 (ANECA)
Ignacio Del Villar   +16 more
openaire   +4 more sources

Lossy mode resonance generation with perovskite-coated photonic crystal fiber for sensing applications

open access: yesResults in Physics, 2023
Two-dimensional polymer perovskite (CH3NH3PbI3) has very potential properties in sensing applications. Hence, for high sensitivity, a lossy mode resonance refractive index sensor based on perovskite coating is proposed. The sensor uses a photonic crystal
Zhiyong Yin   +3 more
doaj   +1 more source

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