Influence of heat transfer on nodule height of microstructured silicon fabricated by femtosecond laser pulses

Peng, Yan; Chen, XiangQian; Zhou, Yunyan; Luo, Kun; Zhu, Yiming

doi:10.1007/s00340-014-5994-8

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2021

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“…Self-focusing of the subsequent pulses deepens these so-called ripples, eventually resulting in cone-shaped microstructures. Further studies have shown that the size and form of these structures can be adjusted without much effort by changing the laser and processing parameters [12][13][14][15] . This technique is well studied for silicon, but also works with other materials such as titanium or aluminium [16] .…”

Section: Introductionmentioning

confidence: 99%

Targets with cone-shaped microstructures from various materials for enhanced high-intensity laser–matter interaction

Ebert

Heber

Abel

et al. 2021

High Pow Laser Sci Eng

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Targets with microstructured front surfaces have shown great potential in improving high-intensity laser–matter interaction. We present cone-shaped microstructures made out of silicon and titanium created by ultrashort laser pulse processing with different characteristics. In addition, we illustrate a process chain based on moulding to recreate the laser-processed samples out of polydimethylsiloxane, polystyrol and copper. With all described methods, samples of large sizes can be manufactured, therefore allowing time-efficient, cost-reduced and reliable ways to fabricate large quantities of identical targets.

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