Articles with "picosecond laser" as a keyword



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Efficacy and safety of fractional 1064-nm picosecond laser for atrophic traumatic and surgical scars: A randomized, single-blinded, split-scar-controlled study.

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Published in 2023 at "Lasers in surgery and medicine"

DOI: 10.1002/lsm.23675

Abstract: OBJECTIVE A fractional 1064-nm picosecond laser is an efficient and safe treatment for atrophic acne scars. However, evidence of using a picosecond laser for atrophic posttraumatic and surgical scar therapy is lacking. This study aimed… read more here.

Keywords: picosecond laser; 1064 picosecond; picosecond; treatment ... See more keywords
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Comparison of the efficacy and safety of a 730 nm picosecond titanium sapphire laser and a 755 nm picosecond alexandrite laser for the treatment of freckles in Asian patients: A two-center randomized, split-face, controlled trial.

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Published in 2023 at "Lasers in surgery and medicine"

DOI: 10.1002/lsm.23679

Abstract: OBJECTIVE The 730 nm picosecond titanium sapphire laser is a novel laser that shows promising results in treating freckles. This study aimed to further investigate the efficacy and safety of the 730 nm picosecond titanium sapphire laser… read more here.

Keywords: picosecond laser; laser; 755 picosecond; picosecond ... See more keywords
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A split-face study: comparison of picosecond alexandrite laser and Q-switched Nd:YAG laser in the treatment of melasma in Asians

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Published in 2018 at "Lasers in Medical Science"

DOI: 10.1007/s10103-018-2529-2

Abstract: To evaluate efficacy and safety of picosecond 755 nm alexandrite laser as compared to 1064 nm QS-Nd:YAG laser for melasma treatment in Asians. Twelve patients received 4 sessions of treatments at 1-month interval in a split-face manner.… read more here.

Keywords: laser; treatment; picosecond laser; 1064 yag ... See more keywords
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Q-switched double frequency Nd:YAG 532-nm nanosecond laser vs. double frequency Nd:YAG 532-nm picosecond laser for the treatment of solar lentigines in Asians

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Published in 2018 at "Lasers in Medical Science"

DOI: 10.1007/s10103-018-2560-3

Abstract: Solar lentigines are common pigmentary lesions. Q-switched lasers are effective treatment options but postinflammatory hyperpigmentation (PIH) is common in darker skin. The objective of the study is to compare the efficacy and safety in solar… read more here.

Keywords: laser; treatment; picosecond laser; solar lentigines ... See more keywords
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Surface microstructure and chemistry of polyimide by single pulse ablation of picosecond laser

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.10.200

Abstract: Abstract Polyimide (PI) surface was ablated by the single pulse of picosecond laser, and the effects of laser wavelength (λ= 355 nm and 1064 nm) and fluence on surface microstructure and chemistry were explored. Scanning electron microscopy (SEM)… read more here.

Keywords: laser; ablation; surface; chemistry ... See more keywords
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Controllable drop splashing on picosecond laser patterned hybrid superhydrophobic/-philic surfaces

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.02.241

Abstract: Abstract Drop splashing is a very common phenomenon when liquid drops impact on solid surfaces. In this study, picosecond laser fabricated hybrid superhydrophobic/-philic (SH/SHL) surfaces with designed patterns are successfully applied to control drop splashing… read more here.

Keywords: drop; hybrid superhydrophobic; shl surfaces; patterned hybrid ... See more keywords
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Glass surface micromachining with simultaneous nanomaterial deposition by picosecond laser for wettability control

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Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2021.149050

Abstract: Abstract Glass surface micromachining with simultaneous redeposition of nanomaterials in the vicinity of machined microscale trenches is achieved using a picosecond laser of visible wavelength in ambient air. After investigating the spatial distribution of redeposited… read more here.

Keywords: laser; picosecond laser; glass surface; surface ... See more keywords
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Analysis of energy occupying ratio of Coulomb explosion and thermal effect in picosecond pulse laser processing

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Published in 2018 at "Optics Communications"

DOI: 10.1016/j.optcom.2018.04.045

Abstract: Abstract Molten material recasting may occur in ten picosecond laser processing although ultrashort-pulse processing is a kind of cold working method. It is also proved that experimental results do not fit expected processing results well… read more here.

Keywords: laser; processing; picosecond laser; ten picosecond ... See more keywords
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Picosecond laser writing of Ag−SiO2 nanocomposite nanogratings for optical filtering

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Published in 2020 at "Optics and Lasers in Engineering"

DOI: 10.1016/j.optlaseng.2019.105840

Abstract: Abstract In this article, we propose a novel approach for dielectric nanograting fabrication by direct laser patterning. Possibilities of a well-controlled ultra-short laser recording of Ag-SiO2 nanocomposite gratings and their optical properties are examined. The… read more here.

Keywords: laser; nanocomposite nanogratings; writing sio2; picosecond laser ... See more keywords
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Investigation on picosecond laser-induced damage in HfO2/SiO2 high-reflective coatings

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Published in 2018 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2018.04.028

Abstract: Abstract We investigate the influence of a protective layer on the picosecond laser-induced damage in HfO2/SiO2 high-reflective (HR) coatings. Two types of 1064-nm HR coatings, with and without a SiO2 protective layer, are deposited using… read more here.

Keywords: laser; field; induced damage; picosecond laser ... See more keywords
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Picosecond laser seal welding of perovskite films

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Published in 2021 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2021.107083

Abstract: Abstract Perovskite solar cells (PSCs) are a promising application industry, but its stability is not very ideal at present. The bottleneck of the PSCs industrialization is that perovskite material is very sensitive to humidity, and… read more here.

Keywords: perovskite films; laser seal; laser; ultrashort pulse ... See more keywords