| High-Resolution Confocal Microscopy with Simultaneous Electron and Laser Beam Irradiation. | |
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MedLine Citation:
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PMID: 23211311 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We have developed a fiber-based confocal optical microscope that operates inside of a commercial scanning electron microscope (SEM) instrument (JEOL 6400; JEOL Ltd., Tokyo, Japan) enabling the excitation of a sample either by a laser or by electron beam, and hence combining the complimentary techniques of photoluminescence and cathodoluminescence. The instrument uses single-mode fibers that enter the SEM by vacuum feedthroughs. The illumination and collection fibers operate as effective pinholes providing, in combination with a microscope objective (NA = 0.3), high spatial resolution (~2 μm) and excellent collection efficiency. The high spatial resolution ensures that the light collected from the sample is in a region of optimal laser beam and electron beam overlap. The capabilities of this instrument are tested by experiments involving the excitation of europium ions in situ doped in GaN thin films. |
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Authors:
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Jonathan Poplawsky; Volkmar Dierolf |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-5 |
Journal Detail:
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Title: Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada Volume: - ISSN: 1435-8115 ISO Abbreviation: Microsc. Microanal. Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-12-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9712707 Medline TA: Microsc Microanal Country: - |
Other Details:
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Languages: ENG Pagination: 1-7 Citation Subset: - |
Affiliation:
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Lehigh University, Physics, 16 Memorial Drive East, Bethlehem, PA 18015, USA. |
Export Citation:
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Descriptor/Qualifier:
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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