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Appl Opt

Title:		Photonic bandgap infrared spectrometer
Author(s):		Kondakci HE; Yaman M; Dana A; Bayindir M;
Address:		"UNAM-Institute of Materials Science and Nanotechnology, Bilkent University, 06800 Ankara, Turkey"
Journal Title:		Appl Opt
Year:		2010
Volume:		49
Issue:		18
Page Number:		3596 - 3600
DOI:		10.1364/AO.49.003596
ISSN/ISBN:		1539-4522 (Electronic) 1559-128X (Linking)
Abstract:		"We propose and demonstrate an infrared (IR) absorption spectrometer, made with a spatially variable photonic bandgap (PBG) structure, a blackbody source, and a simple IR detector, to identify the IR molecular fingerprints of analyte molecules. The PBG-based structure consists of thermally evaporated, IR transparent, high-refractive-index chalcogenide quarter-wave stacks (QWS) with a cavity layer. Spatial variation of the very sharp transmission peak due to the QWS cavity mode allows the structure to be used as a variable IR filter. Our proposed IR-PBG spectrometer can be used for detection and identification of volatile organic compounds"
Keywords:
Notes:		"PubMed-not-MEDLINEKondakci, H Esat Yaman, Mecit Dana, Aykutlu Bayindir, Mehmet eng 2010/06/22 Appl Opt. 2010 Jun 20; 49(18):3596-600. doi: 10.1364/AO.49.003596"