High Power Laser Science and Engineering, Volume. 6, Issue 2, 02000e26(2018)
Hexagonal boron nitride nanosheets incorporated antireflective silica coating with enhanced laser-induced damage threshold
Figures & Tables(6)
Fig. 1. (a) Optical absorption of BN nanosheets dispersion in ethanol. Inset: photographs of BN nanosheets dispersion in water (left) and ethanol (right). (b) XRD patterns of BN nanosheets we used here and h-BN bulky material. Inset: the curves in the region of 
–
. (c) TEM and (d) HRTEM images of BN nanosheets.
Fig. 2. (a) Raman-mapping image of 10wt% BN/
coating: green dots are BN nanosheets. (b) The Raman spectrum of area (1) in the mapping. (c) TEM image of 10wt% BN/
sol. Inset: TEM image of 
particles. (d) HRTEM image of BN nanosheets in the 10wt% BN/
sol.
Fig. 3. AFM images of (a) bare fused silica substrate, (b) 
coating, (c) 10wt% BN/
coating and (d) 20wt% BN/
coating.
Fig. 4. Transmittance of 
coating, 10wt% BN/
coating and 20wt% BN/
coating. The inset is the photograph of 10wt% BN/
coating on fused silica substrate to show the high transmittance.
Fig. 5. Laser-induced damage morphologies of AR coatings (a) 
coating, (b) 10wt% BN/
coating and (c) 20wt% BN/
coating.
Table 1. Optical parameters of BN/
coatings with various BN nanosheets mass ratios.View tableView in ArticleTable 1. Optical parameters of BN/
coatings with various BN nanosheets mass ratios.Sample Thickness (nm) Average LIDT ( Bare fused silica substrate 1.46 – 93.56 0.514 8.69 
coating1.25 73 99.84 2.597 8.92 10wt% BN/ 
coating1.24 75 99.89 3.740 10.98 20wt% BN/ 
coating1.24 74 99.92 3.638 8.96
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Jing Wang, Chunhong Li, Wenjie Hu, Wei Han, Qihua Zhu, Yao Xu. Hexagonal boron nitride nanosheets incorporated antireflective silica coating with enhanced laser-induced damage threshold[J]. High Power Laser Science and Engineering, 2018, 6(2): 02000e26
Paper Information
Received: Nov. 30, 2017
Accepted: Jan. 2, 2018
Published Online: Jul. 4, 2018
The Author Email: Yao Xu (xuyao@opt.ac.cn)
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