Analysis of a novel sensor interrogation technique based on fiber cavity ring-down (CRD) loop and OTDR
Sign Up to like & getrecommendations! Published in 2018 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2018.04.005
Abstract: Abstract We present the analysis of a remote sensor based on fiber Cavity Ring-Down (CRD) loop interrogated by an Optical Time Domain Reflectometer (OTDR) taking into account both practical limitations and the related signal processing.… read more here.
Keywords: based fiber; otdr; ring crd; cavity ring ... See more keywords
A prototype evanescent wave-coupled cavity ring-down spectrometer for probing real-time aggregation kinetics of gold and silver nanoparticles.
Sign Up to like & getrecommendations! Published in 2020 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.9b05521
Abstract: We report on the development of a simple, linear optical cavity-based system combining evanescent wave (EW) with high-sensitive cavity ring-down spectroscopy (CRDS) technique using a diode laser at 644 nm and a right-angled prism for… read more here.
Keywords: aggregation; kinetics gold; evanescent wave; cavity ... See more keywords
Room-Temperature Optical Detection of 14CO2 below the Natural Abundance with Two-Color Cavity Ring-Down Spectroscopy.
Sign Up to like & getrecommendations! Published in 2022 at "ACS sensors"
DOI: 10.1021/acssensors.2c01253
Abstract: Radiocarbon's natural production, radiative decay, and isotopic rarity make it a unique tool to probe carbonaceous systems in the life and earth sciences. However, the difficulty of current radiocarbon (14C) detection methods limits scientific adoption.… read more here.
Keywords: cavity; spectroscopy; cavity ring; detection ... See more keywords
Dual-comb cavity ring-down spectroscopy
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-05926-0
Abstract: Cavity ring-down spectroscopy is a ubiquitous optical method used to study light-matter interactions with high resolution, sensitivity and accuracy. However, it has never been performed with the multiplexing advantages of direct frequency comb spectroscopy without… read more here.
Keywords: dual comb; cavity ring; spectroscopy; ring spectroscopy ... See more keywords
Phase Shift-Cavity Ring Down Spectroscopy in Linear and Active Fiber Cavities for Sensing Applications at 1550 nm
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2021.3071510
Abstract: Liquid phase sensing applications at 1550 nm are highly desirable due to widely available off-the-shelf components. Generally, liquids at 1550 nm induce a high absorption loss that limits the overall sensor’s sensitivity and detection limit.… read more here.
Keywords: sensing applications; spectroscopy; cavity ring; active fiber ... See more keywords
Dispersive heterodyne cavity ring-down spectroscopy exploiting eigenmode frequencies for high-fidelity measurements.
Sign Up to like & getrecommendations! Published in 2025 at "Science advances"
DOI: 10.1126/sciadv.adp8556
Abstract: Measuring low light absorption with combined uncertainty read more here.
Keywords: spectroscopy; high fidelity; cavity; cavity ring ... See more keywords
Temperature-scanning saturation cavity ring-down spectrometry for Doppler-free spectroscopy.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.010203
Abstract: Saturation cavity ring-down spectroscopy (SCRDS) is a powerful Doppler-free spectroscopy means for measuring absolute frequencies of transitions at the ultra-low uncertainties. We report in this paper a simple way to implement it by temperature scanning… read more here.
Keywords: doppler free; saturation cavity; cavity; spectroscopy ... See more keywords
Open-path cavity ring-down methane sensor for mobile monitoring of natural gas emissions.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.020084
Abstract: We present the design, development, and testing results of a novel laser-based cavity ring-down spectroscopy (CRDS) sensor for methane detection. The sensor is specifically oriented for mobile (i.e. vehicle deployed) monitoring of natural gas emissions… read more here.
Keywords: open path; cavity ring; gas emissions; natural gas ... See more keywords
Optical frequency comb Fourier transform cavity ring-down spectroscopy.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.454775
Abstract: We demonstrate broadband and sensitive cavity ring-down spectroscopy using a near infrared frequency comb and a time-resolved Fourier transform spectrometer. The cavity decays are measured simultaneously at each optical path difference and spectrally sorted, leading… read more here.
Keywords: cavity; spectroscopy; cavity ring; ring spectroscopy ... See more keywords
Accurate loss measurement of optical bulk materials with the pulsed cavity ring-down technique.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.537747
Abstract: In a wide range of laser applications, the optical losses of optical materials used in the laser systems are closely linked to the laser-induced damage and laser beam quality deterioration. It is demonstrated in this… read more here.
Keywords: loss measurement; loss; pulsed cavity; cavity ring ... See more keywords
Accurate polarization characterization of thin film polarizing beamsplitters with cavity ring-down technique.
Sign Up to like & getrecommendations! Published in 2025 at "Optics express"
DOI: 10.1364/oe.563725
Abstract: The cavity ring-down (CRD) technique is employed to accurately measure the polarization characteristics of thin film polarizing beamsplitters (PBS's). The measurement principle and related theory are provided. By establishing s- and p-polarized two-channel CRD configurations,… read more here.
Keywords: polarizing beamsplitters; film polarizing; thin film; cavity ring ... See more keywords