Adjustable annular rings of periodic surface structures induced by spatially shaped femtosecond laser

Cong Wang, Zhi Luo, Ji'An Duan, Lan Jiang, Xiaoyan Sun, Youwang Hu, Jianying Zhou, Yongfeng Lu

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In this study, we propose a favorable method to modulate femtosecond laser Gaussian beams into annular beams by using an axicon for the fabrication of periodic surface structures. Adjustable annular rings of uniform oriented periodic surface structures with a period of approximately 600∼750 nm are fabricated in one illumination step without complicated movements of the translation stage. The orientations of the fabricated periodic surface structures are controllable by changing the electric vector of the laser beam. In addition, by adjusting the distance between the sample and microscope objective, the diameters of the fabricated annular rings can be flexibly controlled in a wide range without changing the optical elements and realignment of the optical path.

Original languageEnglish (US)
Article number056001
JournalLaser Physics Letters
Volume12
Issue number5
DOIs
StatePublished - May 1 2015

Fingerprint

Ultrashort pulses
Surface structure
rings
lasers
Gaussian beams
Optical devices
optical paths
Laser beams
Microscopes
Lighting
adjusting
illumination
microscopes
laser beams
Fabrication
fabrication

Keywords

  • Spatially shaped laser
  • annular ring
  • periodic surface structures

ASJC Scopus subject areas

  • Instrumentation
  • Physics and Astronomy (miscellaneous)

Cite this

Adjustable annular rings of periodic surface structures induced by spatially shaped femtosecond laser. / Wang, Cong; Luo, Zhi; Duan, Ji'An; Jiang, Lan; Sun, Xiaoyan; Hu, Youwang; Zhou, Jianying; Lu, Yongfeng.

In: Laser Physics Letters, Vol. 12, No. 5, 056001, 01.05.2015.

Research output: Contribution to journalArticle

Wang, Cong ; Luo, Zhi ; Duan, Ji'An ; Jiang, Lan ; Sun, Xiaoyan ; Hu, Youwang ; Zhou, Jianying ; Lu, Yongfeng. / Adjustable annular rings of periodic surface structures induced by spatially shaped femtosecond laser. In: Laser Physics Letters. 2015 ; Vol. 12, No. 5.
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