Opto-Electronic Engineering, Volume. 50, Issue 3, 220322(2023)

Femtosecond laser direct writing processing of SERS substrates and applications

Zhidong Yin1, Caiding Ni2, Sizhu Wu1, and Zhaoxin Lao1、*
Author Affiliations
  • 1Hefei University of Technology, School of Instrument Science and Optoelectronic Engineering, Hefei, Anhui 230009, China
  • 2University of Science and Technology of China, School of Engineering Sciences, Hefei, Anhui 230026, China
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    Surface-enhanced Raman spectroscopy (SERS) technique plays an important role in molecular recognition fields due to its highly sensitive and high-resolution. As an emerging low-cost, high machining accuracy, and high-flexibility processing method, femtosecond laser direct writing processing has been widely used in the field of preparing SERS substrates. This work introduces four methods of preparing SERS substrates by femtosecond laser direct writing, including femtosecond two-photon reduction, femtosecond laser cutting metal, femtosecond laser cutting-sputtering, and femtosecond laser 3D printing. The article introduces the performance and application scenarios of each method in preparing SERS substrates and illustrates the advantages of femtosecond laser direct writing processing in preparing SERS substrates, aiming to provide a reference for future related research.

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    Zhidong Yin, Caiding Ni, Sizhu Wu, Zhaoxin Lao. Femtosecond laser direct writing processing of SERS substrates and applications[J]. Opto-Electronic Engineering, 2023, 50(3): 220322

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    Paper Information

    Category: Research Articles

    Received: Nov. 30, 2022

    Accepted: Feb. 6, 2023

    Published Online: May. 4, 2023

    The Author Email:

    DOI:10.12086/oee.2023.220322

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