![](/images/graphics-bg.png)
Plasmonic Band-Pass Microfilters for LWIR Absorption Spectroscopy
Joint Authors
Furtak, T. E.
Hollingsworth, R. E.
Flammer, P. D.
Collins, R. T.
Banks, J. M.
Source
International Journal of Optics
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-03-25
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Absorption spectroscopy in the long wave infrared provides an effective method for identification of various hazardous chemicals.
We present a theoretical design for plasmonic band-pass filters that can be used to provide wavelength selectivity for uncooled microbolometer sensors.
The microfilters consist of a pair of input reflection gratings that couple light into a plasmonic waveguide with a central resonant waveguide cavity.
An output transmission grating on the other side of the structure pulls light out of the waveguide where it is detected by a closely spaced sensor.
Fabrication of the filters can be performed using standard photolithography procedures.
A spectral bandpass with a full-width at half-maximum (FWHM) of 100 nm can be obtained with a center wavelength spanning the entire 8–12 μm atmospheric transmission window by simple geometric scaling of only the lateral dimensions.
This allows the simultaneous fabrication of all the wavelength filters needed for a full spectrometer on a chip.
American Psychological Association (APA)
Banks, J. M.& Flammer, P. D.& Furtak, T. E.& Hollingsworth, R. E.& Collins, R. T.. 2012. Plasmonic Band-Pass Microfilters for LWIR Absorption Spectroscopy. International Journal of Optics،Vol. 2012, no. 2012, pp.1-9.
https://search.emarefa.net/detail/BIM-507861
Modern Language Association (MLA)
Banks, J. M.…[et al.]. Plasmonic Band-Pass Microfilters for LWIR Absorption Spectroscopy. International Journal of Optics No. 2012 (2012), pp.1-9.
https://search.emarefa.net/detail/BIM-507861
American Medical Association (AMA)
Banks, J. M.& Flammer, P. D.& Furtak, T. E.& Hollingsworth, R. E.& Collins, R. T.. Plasmonic Band-Pass Microfilters for LWIR Absorption Spectroscopy. International Journal of Optics. 2012. Vol. 2012, no. 2012, pp.1-9.
https://search.emarefa.net/detail/BIM-507861
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-507861