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  • Received: Jun. 11, 2020

    Accepted: Jun. 28, 2020

    Posted: Aug. 28, 2020

    Published Online: Sep. 3, 2020

    The Author Email: Ligang Niu (niulg@jlu.edu.cn)

    DOI: 10.3788/COL202018.101402

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    Tong Jiang, Si Gao, Zhennan Tian, Hanzhuang Zhang, Ligang Niu. Fabrication of diamond ultra-fine structures by femtosecond laser[J]. Chinese Optics Letters, 2020, 18(10): 101402

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Chinese Optics Letters, Vol. 18, Issue 10, 101402 (2020)

Fabrication of diamond ultra-fine structures by femtosecond laser

Tong Jiang1, Si Gao2, Zhennan Tian1,2, Hanzhuang Zhang1, and Ligang Niu2,*

Author Affiliations

  • 1College of Physics, Jilin University, Changchun 130012, China
  • 2State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China

Abstract

A 400 nm femtosecond laser was used to ablate the surface of a high-pressure and high-temperature diamond, and subwavelength surface micro structures with a period of 100 nm were achieved. A variety of micro-nano composite surface structures were prepared by changing the polarization direction and laser scanning direction. By dynamically adjusting the laser polarization and the laser scanning tracks, a maskless direct writing fabrication of micro-nano complex structures was realized. The micro-nano patterning on an ultra-hard and super-stabile diamond provides a new idea for the preparation of friction reducing surfaces, nano imprint transfer templates, surface enhanced Raman scattering test substrates, and micro-nano optical structures.

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