DOI: 10.1063/1.1366663. Enhanced ablation and photoacoustic excitation in near-threshold laser ablation of liquid-coated surfaces

Enhanced ablation and photoacoustic excitation in near-threshold laser ablation of liquid-coated surfaces

10.1063/1.1366663

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

The effect of an artificially deposited liquid film on a laser-ablated metal surface at near-threshold laser fluences is presented. Experiments utilizing a Q-switched Nd:YAG laser (wavelength=1064 nm, full width at half maximum=6 ns) reveal that deposition of a liquid film results in substantial reduction of ablation threshold and enhancement of ablation yield. In addition, enlarged photoacoustic emission is detected in the ablation involving the liquid film. The augmentation of ablation efficiency at high laser fluences is known to be induced by confinement of laser-generated plasma in the liquid layer. In contrast, the enhancement in the near-threshold regime, as in the present study, is primarily due to the photomechanical effect associate with the explosive liquid vaporization in the strongly superheated liquid layer. The effect of liquid-film thickness on near-threshold ablation are also examined for two different liquids, water and water/isopropanol mixture.

Bibliography

Kim, D., & Lee, H. (2001). Enhanced ablation and photoacoustic excitation in near-threshold laser ablation of liquid-coated surfaces. Journal of Applied Physics, 89(10), 5703â5706.

Authors 2

Dongsik Kim (first)
Ho Lee (additional)

References 16 Referenced 30

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{'key': '2024020712083041300_r13'}
{'key': '2024020712083041300_r14', 'first-page': '205', 'volume': '96', 'year': '1996', 'journal-title': 'Appl. Surf. Sci.'} / Appl. Surf. Sci. (1996)
{'key': '2024020712083041300_r15'}
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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 10:17 a.m.)
Deposited	1 year, 6 months ago (Feb. 7, 2024, 1:47 p.m.)
Indexed	1 year, 6 months ago (Feb. 7, 2024, 2:16 p.m.)
Issued	24 years, 3 months ago (May 15, 2001)
Published	24 years, 3 months ago (May 15, 2001)
Published Print	24 years, 3 months ago (May 15, 2001)

Funders 0

None

BibTeX

@article{Kim_2001, title={Enhanced ablation and photoacoustic excitation in near-threshold laser ablation of liquid-coated surfaces}, volume={89}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1366663}, DOI={10.1063/1.1366663}, number={10}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Kim, Dongsik and Lee, Ho}, year={2001}, month=may, pages={5703–5706} }

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