Linewidth of femtosecond laser two-photon polymerization multiple-rapid-scanning

Tong Weiyang; Wang Zhengling

doi:10.11884/HPLPB202032.190089

Volume 32 Issue 4

Mar. 2020

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Tong Weiyang, Wang Zhengling. Linewidth of femtosecond laser two-photon polymerization multiple-rapid-scanning[J]. High Power Laser and Particle Beams, 2020, 32: 041002. doi: 10.11884/HPLPB202032.190089

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Linewidth of femtosecond laser two-photon polymerization multiple-rapid-scanning

doi: 10.11884/HPLPB202032.190089

Tong Weiyang,
Wang Zhengling^,

Faculty of Science, Jiangsu University, Zhenjiang 212013, China

Received Date: 2019-06-26
Rev Recd Date: 2019-12-26
Publish Date: 2020-03-06

Abstract

Abstract

Using the theory of free radical concentration fluctuation combined with the effect of optical tweezers, this paper studies the linewidth of femtosecond laser two-photon polymerization multiple-fast-scanning processing theoretically. According to the relationship between the change of free radical concentration and time in the two-photon photopolymerization processing, considering the influence of the optical tweezers on the free radical distribution range, it obtains the formula of the linewidth of multiple-rapid-scanning processing. It also presents the relationship between linewidth and scanning speed, laser power, and interval time. The results can be regressed to the general formula of single-scanning and are in good agreement with the experimental results in the literature. The study provides a new idea for studying the femtosecond laser two-photon processing to obtain a smaller processing linewidth, and provides a theoretical basis for the femtosecond laser multiple-rapid-scanning processing.
- femtosecond laser,
- two-photon polymerization,
- rapid scanning,
- free radical density,
- optical tweezers

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References(11)

References

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