Mid-infrared femtosecond laser-induced damages in As2S3 and As2Se3 chalcogenide glasses

Abstract In this paper, we report the first measurements of mid-infrared (MIR) femtosecond laser-induced damage in two typical chalcogenide glasses, As2S3 and As2Se3. Damage mechanism is studied via optical microscopy, scanning electron microscopy and elemental analysis. By irradiating at 3, 4 and 5...

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Main Authors:	Chenyang You, Shixun Dai, Peiqing Zhang, Yinsheng Xu, Yingying Wang, Dong Xu, Rongping Wang
Format:	Article
Language:	English
Published:	Nature Publishing Group 2017-07-01
Series:	Scientific Reports
Online Access:	https://doi.org/10.1038/s41598-017-06592-3

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spelling	doaj-8125236e331841f192781a5688f6b9f12020-12-08T02:38:37ZengNature Publishing GroupScientific Reports2045-23222017-07-01711910.1038/s41598-017-06592-3Mid-infrared femtosecond laser-induced damages in As2S3 and As2Se3 chalcogenide glassesChenyang You0Shixun Dai1Peiqing Zhang2Yinsheng Xu3Yingying Wang4Dong Xu5Rongping Wang6Laboratory of Infrared Materials and Devices, The Research Institute of Advanced Technologies, Ningbo UniversityLaboratory of Infrared Materials and Devices, The Research Institute of Advanced Technologies, Ningbo UniversityLaboratory of Infrared Materials and Devices, The Research Institute of Advanced Technologies, Ningbo UniversityLaboratory of Infrared Materials and Devices, The Research Institute of Advanced Technologies, Ningbo UniversityLaboratory of Infrared Materials and Devices, The Research Institute of Advanced Technologies, Ningbo UniversityLaboratory of Infrared Materials and Devices, The Research Institute of Advanced Technologies, Ningbo UniversityLaboratory of Infrared Materials and Devices, The Research Institute of Advanced Technologies, Ningbo UniversityAbstract In this paper, we report the first measurements of mid-infrared (MIR) femtosecond laser-induced damage in two typical chalcogenide glasses, As2S3 and As2Se3. Damage mechanism is studied via optical microscopy, scanning electron microscopy and elemental analysis. By irradiating at 3, 4 and 5 μm with 150 fs ultrashort pulses, the evolution of crater features is presented with increasing laser fluence. The dependence of laser damage on the bandgap and wavelength is investigated and finally the laser-induced damage thresholds (LIDTs) of As2S3 and As2Se3 at 3 and 4 μm are calculated from the experimental data. The results may be a useful for chalcogenide glasses (ChGs) applied in large laser instruments to prevent optical damage.https://doi.org/10.1038/s41598-017-06592-3
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Chenyang You Shixun Dai Peiqing Zhang Yinsheng Xu Yingying Wang Dong Xu Rongping Wang
spellingShingle	Chenyang You Shixun Dai Peiqing Zhang Yinsheng Xu Yingying Wang Dong Xu Rongping Wang Mid-infrared femtosecond laser-induced damages in As2S3 and As2Se3 chalcogenide glasses Scientific Reports
author_facet	Chenyang You Shixun Dai Peiqing Zhang Yinsheng Xu Yingying Wang Dong Xu Rongping Wang
author_sort	Chenyang You
title	Mid-infrared femtosecond laser-induced damages in As2S3 and As2Se3 chalcogenide glasses
title_short	Mid-infrared femtosecond laser-induced damages in As2S3 and As2Se3 chalcogenide glasses
title_full	Mid-infrared femtosecond laser-induced damages in As2S3 and As2Se3 chalcogenide glasses
title_fullStr	Mid-infrared femtosecond laser-induced damages in As2S3 and As2Se3 chalcogenide glasses
title_full_unstemmed	Mid-infrared femtosecond laser-induced damages in As2S3 and As2Se3 chalcogenide glasses
title_sort	mid-infrared femtosecond laser-induced damages in as2s3 and as2se3 chalcogenide glasses
publisher	Nature Publishing Group
series	Scientific Reports
issn	2045-2322
publishDate	2017-07-01
description	Abstract In this paper, we report the first measurements of mid-infrared (MIR) femtosecond laser-induced damage in two typical chalcogenide glasses, As2S3 and As2Se3. Damage mechanism is studied via optical microscopy, scanning electron microscopy and elemental analysis. By irradiating at 3, 4 and 5 μm with 150 fs ultrashort pulses, the evolution of crater features is presented with increasing laser fluence. The dependence of laser damage on the bandgap and wavelength is investigated and finally the laser-induced damage thresholds (LIDTs) of As2S3 and As2Se3 at 3 and 4 μm are calculated from the experimental data. The results may be a useful for chalcogenide glasses (ChGs) applied in large laser instruments to prevent optical damage.
url	https://doi.org/10.1038/s41598-017-06592-3
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Mid-infrared femtosecond laser-induced damages in As2S3 and As2Se3 chalcogenide glasses

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