Title: Modeling of ZnO nanorods for evanescent field optical sensors
Authors: Börner, Sandra
Rüter, Christian E. 
Voss, Tobias
Kip, Detlef  
Schade, Wolfgang
Language: en
Subject (DDC): DDC::500 Naturwissenschaften und Mathematik
Issue Date: Oct-2007
Publisher: Wiley-VCH
Document Type: Article
Journal / Series / Working Paper (HSU): Physica status solidi : pss. A, Applications and materials science 
Volume: 204
Issue: 10
Page Start: 3487
Page End: 3495
Publisher Place: Berlin
The optical wave guiding properties of ZnO nanorods are simulated and studied in detail using a blockiterative frequency-domain method and the results of a finite difference method as reference data. The simulations are performed for different wavelengths in the infrared spectral region that are related to specific gas absorption lines. Here both single ZnO nanorods and nanorod arrays with varying period lengths are investigated. The evanescent field distributions and penetration depths into the surrounding media are analyzed and compared as a function of wavelength and rod diameter. Our results give a general overview on the size range where ZnO nanorods may be used for evanescent field interaction based sensors for the detection of gas molecules like CO, CO 2 or O 2. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.
Organization Units (connected with the publication): Technische Universität Clausthal
URL: https://api.elsevier.com/content/abstract/scopus_id/35348993827
ISSN: 18626300
DOI: 10.1002/pssa.200723137
Appears in Collections:Publications of the HSU Researchers (before HSU)

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