On the theory of optical sensing via infiltration of sculptured thin films

Tom G. Mackay, Akhlesh Lakhtakia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The macroscopic optical responses of sculptured thin films (STFs) can be engineered, and the composition and multiscale porosity of STFs can be exploited to promote preferential infiltration by certain chemical and biological species. Accordingly, STFs are attractive as platforms for optical sensing. We considered three aspects of the theory underpinning optical sensing of species which infiltrate STFs: (a) estimation of the constitutive and morphological parameters of infiltrated STFs by means of inverse homogenization; (b) the effect of infiltration on the reflectances and transmittances of infiltrated STFs; and (c) the effect of infiltration on the excitation of surface-plasmon-polariton waves guided by a planar metal/STF interface. Both columnar thin films and chiral STFs were considered. The sensitivity of the optical response of STFs to infiltration was found to bode well for their use in optical sensors.

Original languageEnglish (US)
Title of host publicationNanostructured Thin Films III
Volume7766
DOIs
StatePublished - Oct 28 2010
EventNanostructured Thin Films III - San Diego, CA, United States
Duration: Aug 4 2010Aug 5 2010

Other

OtherNanostructured Thin Films III
CountryUnited States
CitySan Diego, CA
Period8/4/108/5/10

Fingerprint

Optical Sensing
Infiltration
infiltration
Thin Films
Thin films
thin films
Surface Plasmon Polariton
Guided Waves
Optical Sensor
Guided electromagnetic wave propagation
Optical sensors
Transmittance
optical measuring instruments
homogenizing
Porosity
Reflectance
Homogenization
polaritons
transmittance
platforms

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Mackay, Tom G. ; Lakhtakia, Akhlesh. / On the theory of optical sensing via infiltration of sculptured thin films. Nanostructured Thin Films III. Vol. 7766 2010.
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Mackay, TG & Lakhtakia, A 2010, On the theory of optical sensing via infiltration of sculptured thin films. in Nanostructured Thin Films III. vol. 7766, 77660O, Nanostructured Thin Films III, San Diego, CA, United States, 8/4/10. https://doi.org/10.1117/12.859655

On the theory of optical sensing via infiltration of sculptured thin films. / Mackay, Tom G.; Lakhtakia, Akhlesh.

Nanostructured Thin Films III. Vol. 7766 2010. 77660O.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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