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Fluoroalkyl-grafted mesoporous silica antireflective films with enhanced stability in vacuum

Fluoroalkyl-grafted mesoporous silica antireflective films with enhanced stability in vacuum

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SUN, Jinghua, Baohu WU, Hongbao JIA, Dong WU, Yao XU, 2012. Fluoroalkyl-grafted mesoporous silica antireflective films with enhanced stability in vacuum. In: Optics Letters. Optical Society of America (OSA). 37(19), pp. 4095-4097. ISSN 0146-9592. eISSN 1539-4794. Available under: doi: 10.1364/OL.37.004095

@article{Sun2012Fluor-48608, title={Fluoroalkyl-grafted mesoporous silica antireflective films with enhanced stability in vacuum}, year={2012}, doi={10.1364/OL.37.004095}, number={19}, volume={37}, issn={0146-9592}, journal={Optics Letters}, pages={4095--4097}, author={Sun, Jinghua and Wu, Baohu and Jia, Hongbao and Wu, Dong and Xu, Yao} }

Wu, Dong Jia, Hongbao Wu, Baohu A new antireflective silica film with closed mesopores was successfully prepared for the optical elements used in vacuum of a high-power laser system. The ordered cagelike mesopores were formed with the direction of surfactant F127 and then closed by long-chain fluoroalkylsilane. The grazing incident x-ray diffraction and grazing incident small-angle x-ray scattering results indicated that the mesopores in film constructed a body-center cubic structure. The films exhibited excellent transmittance as high as 99.98% on quartz substrate. After a 1-month antipollution test with polydimethylsiloxane in vacuum, the decrease of transmittance was small as 0.02%. This film had a high laser-induced damage threshold of above 28  J/cm<sup>2</sup> at 1 ns laser pulse of 1053 nm wavelength. Sun, Jinghua Xu, Yao Xu, Yao Fluoroalkyl-grafted mesoporous silica antireflective films with enhanced stability in vacuum Sun, Jinghua eng Wu, Baohu Wu, Dong 2020-02-12T09:53:08Z 2020-02-12T09:53:08Z 2012 Jia, Hongbao

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