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Nano-Crystal and Microstructure Formation in Fluoride Photo-Thermo-Refractive Glass Using Chirp-Controlled Ultrafast Laser Bessel Beams
Zhang, Yunjie1; Wang, Xu2; Zhang, Guodong3; Stoian, Razvan4; Cheng, Guanghua3
Department瞬态光学研究室
2021
Source PublicationNANOMATERIALS
ISSN2079-4991
Volume11Issue:6
Contribution Rank2
Abstract

Nano-crystals were formed in the exposed regions of photo-thermo-refractive glass undergoing irradiation with zeroth order chirp-controlled ultrafast laser Bessel beams and subsequent heat treatment. Effects of various writing powers, pulse durations and heat treatment time on the distribution and the size of the nano-crystals were investigated. The results show that nano-crystals' distribution depended on the laser power density spatial shape, while the size of the nano-crystals is quasi-independent. However, the average diameter of the nano-crystals was affected by the heat treatment time, decreasing from 175 to 105 nm with the time halved. In addition, using crystallographic characterization by X-ray diffraction, the nano-crystal composition in the laser-exposed regions was detected to be sodium fluoride.

Keywordphotosensitive materials ultrafast nonlinear optics ultrafast technology microstructure fabrication
DOI10.3390/nano11061432
Indexed BySCI
Language英语
WOS IDWOS:000667396300001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/94946
Collection瞬态光学研究室
Corresponding AuthorCheng, Guanghua
Affiliation1.Xian Polytech Univ, Sch Sci, Xian 710048, Peoples R China
2.Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
3.Northwestern Polytech Univ, Sch Artificial Intelligence Opt & Elect iOPEN, Xian 710072, Peoples R China
4.Univ Lyon, Univ Jean Monnet, UMR 5516 CNRS, Lab Hubert Curien, F-42000 Saint Etienne, France
Recommended Citation
GB/T 7714
Zhang, Yunjie,Wang, Xu,Zhang, Guodong,et al. Nano-Crystal and Microstructure Formation in Fluoride Photo-Thermo-Refractive Glass Using Chirp-Controlled Ultrafast Laser Bessel Beams[J]. NANOMATERIALS,2021,11(6).
APA Zhang, Yunjie,Wang, Xu,Zhang, Guodong,Stoian, Razvan,&Cheng, Guanghua.(2021).Nano-Crystal and Microstructure Formation in Fluoride Photo-Thermo-Refractive Glass Using Chirp-Controlled Ultrafast Laser Bessel Beams.NANOMATERIALS,11(6).
MLA Zhang, Yunjie,et al."Nano-Crystal and Microstructure Formation in Fluoride Photo-Thermo-Refractive Glass Using Chirp-Controlled Ultrafast Laser Bessel Beams".NANOMATERIALS 11.6(2021).
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