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Waveguides in polycrystalline diamond for mid-IR sensing
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.ORCID iD: 0000-0003-3933-4406
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2016 (English)In: Optical Materials Express, ISSN 2159-3930, E-ISSN 2159-3930, Vol. 6, no 4, 1286-1295 p.Article in journal (Refereed) PublishedText
Abstract [en]

8 mm long channel waveguides were manufactured in polycrystalline diamond with inductively coupled plasma etching and characterized in terms of mode-profile and propagation loss in the 1.5 - 3.4 mu m spectral region. As proof of principle, the waveguides were evaluated in an evanescent field sensing setup targeting the CH absorption peak of isopropanol at similar to 3.4 mu m, showing good agreement with numerical finite element simulations. (C) 2016 Optical Society of America

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2016. Vol. 6, no 4, 1286-1295 p.
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URN: urn:nbn:se:kth:diva-185990DOI: 10.1364/OME.6.001286ISI: 000373599200035OAI: diva2:926851

QC 20160510

Available from: 2016-05-10 Created: 2016-04-29 Last updated: 2016-05-10Bibliographically approved

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Malmstrom, MikaelLaurell, Fredrik
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