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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 24 — Dec. 15, 2013
  • pp: 5319–5322

Local terahertz microspectroscopy with λ/100 spatial resolution

F. Glotin, J.-M. Ortega, and R. Prazeres  »View Author Affiliations


Optics Letters, Vol. 38, Issue 24, pp. 5319-5322 (2013)
http://dx.doi.org/10.1364/OL.38.005319


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Abstract

We have extended the spectral range of a differential method of infrared microspectroscopy in order to operate in the terahertz spectral region. We show on samples of graphite embedded in a matrix of polymers that the spatial resolution is practically independent of the wavelength and is at least λ/100. This method aims at performing “chemical mapping” of various objects since it is sensitive only to the imaginary part of the index of refraction.

© 2013 Optical Society of America

OCIS Codes
(110.0180) Imaging systems : Microscopy
(110.3080) Imaging systems : Infrared imaging
(170.3660) Medical optics and biotechnology : Light propagation in tissues

ToC Category:
Imaging Systems

History
Original Manuscript: October 17, 2013
Revised Manuscript: November 6, 2013
Manuscript Accepted: November 7, 2013
Published: December 6, 2013

Virtual Issues
Vol. 9, Iss. 2 Virtual Journal for Biomedical Optics

Citation
F. Glotin, J.-M. Ortega, and R. Prazeres, "Local terahertz microspectroscopy with λ/100 spatial resolution," Opt. Lett. 38, 5319-5322 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-24-5319


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