Identifying the origins of Tianhuang stones based on Raman spectroscopy and pattern recognition algorithms
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DOI: 10.1088/1555-6611/ac5b77
Abstract: In this paper, a non-destructive and efficient method for identifying gemstones of the same species based on Raman spectroscopy and pattern recognition algorithms was developed. Tianhuang stones from different origins (Shoushan (SS), Changhua (CH), and… read more here.
Keywords: raman spectroscopy; tianhuang stones; spectroscopy; pattern recognition ... See more keywords
Positive dielectrophoresis–based Raman-activated droplet sorting for culture-free and label-free screening of enzyme function in vivo
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DOI: 10.1126/sciadv.abb3521
Abstract: We introduce a novel, high-speed Raman-activated cell sorter (pDEP-RADS) that screens enzymes in vivo. The potential of Raman-activated cell sorting (RACS) is inherently limited by conflicting demands for signal quality and sorting throughput. Here, we… read more here.
Keywords: raman; positive dielectrophoresis; raman activated; activated droplet ... See more keywords
Fiber-bundle-based 2D Raman and Rayleigh imaging for major species and temperature measurement in laminar flames.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.467713
Abstract: In this Letter, we introduce a novel fiber-bundle-based 2D Raman and Rayleigh imaging system for 2D measurements of major species mole fractions and temperature in flames. A cascade of dichroic mirrors and bandpass filters separate… read more here.
Keywords: raman rayleigh; bundle based; based raman; major species ... See more keywords
Simple method for high average power supercontinuum generation based on Raman mode locking in a quasi-CW fiber laser oscillator.
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DOI: 10.1364/ol.475730
Abstract: A simple generation method for a supercontinuum (SC) based on Raman mode locking (RML) in a quasi-continuous wave (QCW) fiber laser oscillator is demonstrated experimentally and analyzed in this paper. The power of the SC… read more here.
Keywords: average power; oscillator; power; based raman ... See more keywords