Irradiance enhancement and increased laser damage threshold in As₂S₃ moth-eye antireflective structures

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dc.contributor.authorWeiblen, R. Joseph
dc.contributor.authorFlorea, Catalin M.
dc.contributor.authorBusse, Lynda E.
dc.contributor.authorShaw, L. Brandon
dc.contributor.authorMenyuk, Curtis
dc.contributor.authorAggarwal, Ishwar D.
dc.contributor.authorSanghera, Jasbinder S.
dc.date.accessioned2025-06-05T14:02:39Z
dc.date.available2025-06-05T14:02:39Z
dc.date.issued2015-10-15
dc.description.abstractIt has been experimentally observed that moth-eye antireflective microstructures at the end of As₂S₃ fibers have an increased laser damage threshold relative to thin-film antireflective coatings. In this work, we computationally study the irradiance enhancement in As₂S₃ moth-eye antireflective microstructures in order to explain the increased damage threshold. We show that the irradiance enhancement occurs mostly on the air side of the interfaces and is minimal in the As₂S₃ material. We give a physical explanation for this behavior.
dc.description.sponsorshipNaval Research Laboratory (N00173-09-2-C016, N00173-15-1-G905).
dc.description.urihttps://opg.optica.org/ol/abstract.cfm?uri=ol-40-20-4799
dc.format.extent4 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m2ritb-iiin
dc.identifier.citationWeiblen, R. Joseph, Catalin M. Florea, Lynda E. Busse, L. Brandon Shaw, Curtis R. Menyuk, Ishwar D. Aggarwal, and Jasbinder S. Sanghera. “Irradiance Enhancement and Increased Laser Damage Threshold in As₂S₃ Moth-Eye Antireflective Structures.” Optics Letters 40, no. 20 (October 15, 2015): 4799–4802. https://doi.org/10.1364/OL.40.004799.
dc.identifier.urihttps://doi.org/10.1364/OL.40.004799
dc.identifier.urihttp://hdl.handle.net/11603/38562
dc.language.isoen_US
dc.publisherOptica
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Student Collection
dc.relation.ispartofUMBC Faculty Collection
dc.relation.ispartofUMBC Computer Science and Electrical Engineering Department
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.subjectSlot waveguides
dc.subjectField enhancement
dc.subjectLaser induced damage thresholds
dc.subjectEffective refractive index
dc.subjectUMBC Optical Fiber Communications Laboratory
dc.subjectUMBC High Performance Computing Facility (HPCF)
dc.subjectLaser glass
dc.subjectChalcogenide glass
dc.subjectUMBC Computational Photonics Laboratory
dc.titleIrradiance enhancement and increased laser damage threshold in As₂S₃ moth-eye antireflective structures
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0003-0269-8433

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