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Room‐Temperature Molding of Complex‐Shaped Transparent Fused Silica Lenses [PDF]

Advanced Science, 2023
The high hardness, brittleness, and thermal resistance impose significant challenges in the scalable manufacturing of fused silica lenses, which are widely used in numerous applications.
Ya Xu, Xiaotong Du, Zhenhua Wang, Hua Liu, Peng Huang, Suet To, LiMin Zhu, Zhiwei Zhu   +7 more
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Micro milling of fused silica using picosecond laser shaped single crystal diamond tools

Frontiers in Materials, 2023
Fused silica is widely used as a material for optical lenses owing to its excellent optical properties and low thermal expansion coefficient. However, as a hard and brittle material, there is very limited option of processing technologies to machining ...
Jiacheng Song, Jiacheng Song, Zhen Tong, Zhen Tong, Zhenqiang Yao, Zhenqiang Yao, Xiangqian Jiang   +6 more
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Evolution Regularity of Continuous Surface Structures Shaped by Laser-Supported Fictive-Temperature Modifying

Crystals, 2023
The influence of residual heat on the fictive temperature modification zone of fused silica for different CO2 laser scanning time intervals was investigated to precisely control the profiles of hydrofluoric (HF) acid-etched fused silica surface, which ...
Wei Liao, Chuanchao Zhang, Jing Chen, Ke Yang, Lijuan Zhang, Xiaolong Jiang, Yang Bai, Haijun Wang, Xiaoyu Luan, Xiaodong Jiang, Xiaodong Yuan, Wanguo Zheng, Qihua Zhu   +12 more
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A two-step physical-chemical etching technique to improve laser damage resistance of fused silica

Journal of Materials Research and Technology, 2022
A two-step physical-chemical etching method, namely large incident angle ion beam etching followed by HF etching, is proposed to remove the damage precursors in fused silica surface to achieve good surface quality and significantly improve the laser ...
Bo Li, Wenfeng Sun, Xia Xiang, Xiaolong Jiang, Wei Liao, Haijun Wang, Xiaodong Yuan, Xiaodong Jiang, Xiaotao Zu   +8 more
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Statistically Correlating Laser-Induced Damage Performance with Photothermal Absorption for Fused Silica Optics in a High-Power Laser System

Photonics, 2022
Photothermal weak absorption is useful for the diagnosis of absorbing defects on the surface of fused silica optics in high-power lasers. However, how they relate to the laser-induced damage performance remains unclear, especially for a fused silica ...
Zhaohua Shi, Laixi Sun, Ting Shao, Hongjie Liu, Jin Huang, Xin Ye, Fengrui Wang, Liming Yang, Wanguo Zheng   +8 more
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Nanoscale Characterization and Impurities of Fused Silica Optical Surfaces

Advances in Materials Science and Engineering, 2022
Fused silica is produced by melting high-purity silica and then rapidly cooling it. It has good physical and chemical properties, which also make it the raw material for most components in the optical industry, and is widely used in optical fiber ...
Zuocai Dai, Sha Zhou, Zhiliang Huang, Hao Li   +3 more
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Study on the Absorption Characteristics and Laser Damage Properties of Fused Silica Optics under Flexible Polishing and Shallow DCE Process

Micromachines, 2021
The enhancement of laser damage resistance of fused silica optics was a hotspot in scientific research. At present, a variety of modern processes have been produced to improve the laser induced damage threshold (LIDT) of fused silica optics.
Wanli Zhang, Feng Shi, Ci Song, Ye Tian, Yongxiang Shen   +4 more
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First-principles study of metallic impurities induced 355 nm UV laser absorption in fused silica

Journal of Materials Research and Technology, 2022
To date, it is controversial which metallic impurities play crucial role in the laser induced degradation and damage of fused silica at 355 nm. In this work, a First -principles study for the influences of impurities in fused silica are presented, which ...
Qingyi Feng, Xiaotao Zu, Biyi Wang, Lijie Sun, Bo li, Xia Xiang, Li Li, Ye Tian, Xiaodong Yuan, Wanguo Zheng, Hongdong Yang, Huiqiu Deng, Sean Li, Hongxiang Deng   +13 more
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Molecular dynamics analysis of the effect of laser and defects on the micro-structure of fused silica

Journal of Electronic Science and Technology, 2020
In this work, the classic molecular dynamics simulations are employed to investigate the atomic structural modification of fused silica with defects as laser irradiation.
Li Li, Ming-Wen Zhang, Zhe-Zhen Zhao
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Emission of fused silica and KBr samples in the UV and visible spectral ranges under irradiation with 2.7 MeV electrons

Matter and Radiation at Extremes, 2022
Fused silica and KBr samples were irradiated with a 2.7 MeV electron beam. The emission of fused silica and KBr samples in the UV and visible regions was studied under various experimental conditions.
E. Kh. Baksht, B. A. Alekseev, A. G. Burachenko, A. V. Vukolov, A. P. Potylitsyn, V. F. Tarasenko, S. R. Uglov, M. V. Shevelev   +7 more
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