Substrate effect of laser surface sub-micro patterning by means of self-assembly SiO2 microsphere array

Wu, Yan; Ji, Lingfei; Zhao, Lin; Li, Qiurui; Jiang, Yijian

doi:10.1016/j.apsusc.2015.09.066

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Deep-subwavelength Fwhm and Neareld Effect Of Pnjs1

Introduction1

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2017

2024

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Cited by 11 publications

(2 citation statements)

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“…A natural extension is that arbitrary periodic nanostructures with optimized topography can be utilized to create 3D patterns in photoresists. [222][223][224][225][226] Although the self-assembly method makes it possible to pattern over a large area, it is primarily used to fabricate nanoholes. Offaxis irradiation can be combined with the self-assembly method to fabricate arbitrary structure patterns.…”

Section: Deep-subwavelength Fwhm and Neareld Effect Of Pnjsmentioning

confidence: 99%

All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets

Zhu

Goddard

2019

Nanoscale Adv.

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Section: Deep-subwavelength Fwhm and Neareld Effect Of Pnjsmentioning

confidence: 99%

All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets

Zhu

Goddard

2019

Nanoscale Adv.

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“…The surface morphology can be affect by different diameter sphere with different wavelength and different laser fluences [9][10]. Recently, it was reported that the substrate materials with diverse refractive indices played a role on the optical field modulation [11]. For the fabrication on nanostructures by optical focusing, the focusing media with nanometer scale was essential, but it is difficult to fabricated.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Nanostructures by Laser Optical Focusing

Bao¹,

Feng²,

Wang³

et al. 2017

dtetr

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ABSTRACT* Surface structures have a broad application prospects, because the nanostructure or microstructure can improve the tribological properties. Laser processing has been widely used for microstructures due to the excellent controllability and universality and the precision of this method can be significantly increased by optical focusing. However, it is difficult to prepare nanometer scale material as focusing media. Here, a self-assembled monolayer of silica microspheres with diameter of about 900nm was formed on a bearing steel substrate and could be used as the focusing media. Large-area nanoholes were fabricated using overlapping pulses obtained through laser beam scanning. Scanning electron microscope (SEM) and profilometer characterized the shape and dimension of nanopatterns. Finally, the mechanisms of the formation of such structures depending on the number of laser pulses applied were discussed.

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