SSD detection on LIDT tested coated Fused Silica samples

Material changes and Sub-Surface Damage (SSD) under Laser Induced Damage Threshold (LIDT) testing sites were investigated on 3 diverse single layer coated transparent fused silica samples to obtain additional information on damage precursors on these samples. As a detection method, photothermal defl...

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Autores principales:	Cattaneo Heidi, Schachtler Daniel, Botha Roelene, Fähnle Oliver
Formato:	article
Lenguaje:	EN
Publicado:	EDP Sciences 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/7ed12a4d006544479d5ee1cef4b6b394
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id	oai:doaj.org-article:7ed12a4d006544479d5ee1cef4b6b394
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spelling	oai:doaj.org-article:7ed12a4d006544479d5ee1cef4b6b3942021-12-02T17:12:51ZSSD detection on LIDT tested coated Fused Silica samples2100-014X10.1051/epjconf/202125503009https://doaj.org/article/7ed12a4d006544479d5ee1cef4b6b3942021-01-01T00:00:00Zhttps://www.epj-conferences.org/articles/epjconf/pdf/2021/09/epjconf_eosam2021_03009.pdfhttps://doaj.org/toc/2100-014XMaterial changes and Sub-Surface Damage (SSD) under Laser Induced Damage Threshold (LIDT) testing sites were investigated on 3 diverse single layer coated transparent fused silica samples to obtain additional information on damage precursors on these samples. As a detection method, photothermal deflection technique utilizing a resonant UV laser beam was used. The local variations in UV absorption and probe beam transmittance due to previous exposure to high fluence laser pulses were strongly dependent on the coating itself and on the laser energy used during the LIDT testing. Also the obtained LIDT values differ from coating to coating. Detected effects on the coatings and substrate surface beneath ranged from small surface dislocations to complete coating damage with material transformations. Additional absorbing damage precursors were found close to the damaged sites.Cattaneo HeidiSchachtler DanielBotha RoeleneFähnle OliverEDP SciencesarticlePhysicsQC1-999ENEPJ Web of Conferences, Vol 255, p 03009 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Cattaneo Heidi Schachtler Daniel Botha Roelene Fähnle Oliver SSD detection on LIDT tested coated Fused Silica samples
description	Material changes and Sub-Surface Damage (SSD) under Laser Induced Damage Threshold (LIDT) testing sites were investigated on 3 diverse single layer coated transparent fused silica samples to obtain additional information on damage precursors on these samples. As a detection method, photothermal deflection technique utilizing a resonant UV laser beam was used. The local variations in UV absorption and probe beam transmittance due to previous exposure to high fluence laser pulses were strongly dependent on the coating itself and on the laser energy used during the LIDT testing. Also the obtained LIDT values differ from coating to coating. Detected effects on the coatings and substrate surface beneath ranged from small surface dislocations to complete coating damage with material transformations. Additional absorbing damage precursors were found close to the damaged sites.
format	article
author	Cattaneo Heidi Schachtler Daniel Botha Roelene Fähnle Oliver
author_facet	Cattaneo Heidi Schachtler Daniel Botha Roelene Fähnle Oliver
author_sort	Cattaneo Heidi
title	SSD detection on LIDT tested coated Fused Silica samples
title_short	SSD detection on LIDT tested coated Fused Silica samples
title_full	SSD detection on LIDT tested coated Fused Silica samples
title_fullStr	SSD detection on LIDT tested coated Fused Silica samples
title_full_unstemmed	SSD detection on LIDT tested coated Fused Silica samples
title_sort	ssd detection on lidt tested coated fused silica samples
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/7ed12a4d006544479d5ee1cef4b6b394
work_keys_str_mv	AT cattaneoheidi ssddetectiononlidttestedcoatedfusedsilicasamples AT schachtlerdaniel ssddetectiononlidttestedcoatedfusedsilicasamples AT botharoelene ssddetectiononlidttestedcoatedfusedsilicasamples AT fahnleoliver ssddetectiononlidttestedcoatedfusedsilicasamples
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SSD detection on LIDT tested coated Fused Silica samples

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