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Naslov:Photothermal lens technique: a comparison between conventional and self-mixing schemes
Avtorji:Cabrera, Humberto (Avtor)
Ashraf, Imrana (Avtor)
Matroodi, Fatima (Avtor)
Ramírez-Miquet, Evelio E. (Avtor)
Akbar, Jehan (Avtor)
Suárez-Vargas, Jose Juan (Avtor)
Barrera Ramírez, John Fredy (Avtor)
Korte, Dorota (Avtor)
Budasheva, Hanna (Avtor)
Niemela, Joseph J. (Avtor)
et al.
Datoteke:Gradivo nima datotek. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u. Povezava se odpre v novem oknu
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:This work focuses on assessing the analytical capabilities of a new photothermal lens method based on the self-mixing effect to reliably measure metallic traces in water-ethanol solutions. We compare it with the conventional thermal lens scheme, considering the low detection limit and versatility. A theoretical model is presented to describe the laser power variations as a function of the photothermal parameters of the analyzed sample. The experimental results demonstrate that the laser intensity variations, induced by the external optical feedback, are governed by the photothermal lens effect. Measurements of Fe(II)-1,10-phenanthroline in water–ethanol solutions show a favourable correspondence and agreement with the theory. The low detection limits obtained by the two analytic techniques also agree very well. Nevertheless, our instrument presents advantages regarding compactness and simplicity, suggesting that this platform could be potentially useful as a robust analytical tool for metallic trace detection. In addition, calibration of the method is performed by measuring the so-called self-mixing constant.
Ključne besede:thermal lens, photothermal spectroscopy, self-mixing effect, trace detection
Leto izida:2019
Št. strani:055703-055703
Številčenje:5, 29
COBISS_ID:5366267 Povezava se odpre v novem oknu
URN:URN:SI:UNG:REP:RCOMYWXH
DOI:10.1088/1555-6611/ab0a66 Povezava se odpre v novem oknu
Licenca:CC BY-NC-ND 4.0
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Število ogledov:351
Število prenosov:0
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Področja:Gradivo ni uvrščeno v področja.
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Skupna ocena:(0 glasov)
Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.

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Gradivo je del revije

Naslov:Laser Physics
Skrajšan naslov:Laser Phys.
Leto izida:2019

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