Generation and erasure of femtosecond laser-induced periodic surface structures on nanoparticle-covered silicon by a single laser pulse

We experimentally show that the generation and erasure of femtosecond laser-induced periodic surface structures on nanoparticle-covered silicon inducted by irradiation with a single laser pulse (800 nm, 120 fs, linear polarization) depend on the pulse fluence. We propose that this is due to competit...

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Bibliographic Details
Published in:Optics letters 2014-01, Vol.39 (2), p.343-346
Main Authors: Yang, Ming, Wu, Qiang, Chen, Zhandong, Zhang, Bin, Tang, Baiquan, Yao, Jianghong, Drevensek-Olenik, Irena, Xu, Jingjun
Format: Article
Language:English
Subjects:
Femtosecond
Lasers
Linear polarization
Melting
Nanostructure
Plasmons
Polaritons
Silicon
Surface structure
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Summary:We experimentally show that the generation and erasure of femtosecond laser-induced periodic surface structures on nanoparticle-covered silicon inducted by irradiation with a single laser pulse (800 nm, 120 fs, linear polarization) depend on the pulse fluence. We propose that this is due to competition between periodic surface structuring originating from the interference of incident light with surface plasmon polaritons and surface smoothing associated with surface melting. Experimental results are supported by theoretical analysis of transient surface modifications based on combining the two-temperature model and the Drude model.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.39.000343