Dynamic beam shaping with polarization control at the image plane for material processing

被引：4

作者：

Tang, Y. ^{[1
]}

Li, J. ^{[1
]}

Zhou, T. ^{[1
]}

Schille, J. ^{[2
]}

Loeschner, U. ^{[2
]}

Perrie, W. ^{[1
]}

Dearden, G. ^{[1
]}

Edwardson, S. P. ^{[1
]}

机构：

[1] Univ Liverpool, Sch Engn, Laser Engn Grp, Liverpool L69 3GH, Merseyside, England

[2] Laserinst Hsch Mittweida, Tech Pl 17, D-09648 Mittweida, Germany

来源：

10TH CIRP CONFERENCE ON PHOTONIC TECHNOLOGIES [LANE 2018] | 2018年 / 74卷

关键词：

Beam shaping; Polarization control; Spatial light modulator; S-waveplate; LIPSS;

D O I：

10.1016/j.procir.2018.08.083

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The polarization state and beam shape of an ultrafast laser have been dynamically controlled using a spatial light modulator (SLM) with an additional S-waveplate (Altechena) for applications in material processing. Consequently, two different advanced states of polarization, radial and azimuthal, several star beam shapes were dynamically switched while synchronized with a motion control system. Imprinting laser induced plasmonic periodic surface structures(LIPSS) was employed to investigate the detailed vector fields at the image plane. The ablation footprint was found to match the selected beam shape and polarization states acurately. (C) 2018 The Authors. Published by Elsevier Ltd.

引用

页码：581 / 584

页数：4

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