Monitoring adsorption and sedimentation using evanescent-wave cavity ringdown ellipsometry

Katerina Stamataki, Vassilis Papadakis, Michael A. Everest, Stylianos Tzortzakis, Benoit Loppinet, T. Peter Rakitzis

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We monitor the adsorptionofRhodamine 800, and the sedimentation of a polytetrafluoroethylene (PTFE) suspension at the surface of a fused-silica prism, by measuring both the absorption and s-p phase shift Δ of a 740 nm probe laser beam, using evanescent-wave cavity ringdown ellipsometry (EW-CRDE). The two systems demonstrate the complementary strengths of EW-CRDE, as the progress of adsorption of the Rhodamine 800 dye can only be observed sensitively via the measurement of absorption, whereas the progress of sedimentation of PTFE can only be observed sensitively via the measurement of Δ. We show that EW-CRDE provides a sensitive method for the measurement of Δ and demonstrates precision in Δ of about 10-4 deg.

Original languageEnglish
Pages (from-to)1086-1093
Number of pages8
JournalApplied Optics
Volume52
Issue number5
DOIs
Publication statusPublished - 10 Feb 2013
Externally publishedYes

Fingerprint

evanescent waves
ellipsometry
cavity
sedimentation
adsorption
cavities
polytetrafluoroethylene
monitoring
dye
silica
rhodamine
laser
probe
prisms
phase shift
dyes
laser beams
silicon dioxide
probes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Stamataki, K., Papadakis, V., Everest, M. A., Tzortzakis, S., Loppinet, B., & Rakitzis, T. P. (2013). Monitoring adsorption and sedimentation using evanescent-wave cavity ringdown ellipsometry. Applied Optics, 52(5), 1086-1093. https://doi.org/10.1364/AO.52.001086

Monitoring adsorption and sedimentation using evanescent-wave cavity ringdown ellipsometry. / Stamataki, Katerina; Papadakis, Vassilis; Everest, Michael A.; Tzortzakis, Stylianos; Loppinet, Benoit; Rakitzis, T. Peter.

In: Applied Optics, Vol. 52, No. 5, 10.02.2013, p. 1086-1093.

Research output: Contribution to journalArticle

Stamataki, K, Papadakis, V, Everest, MA, Tzortzakis, S, Loppinet, B & Rakitzis, TP 2013, 'Monitoring adsorption and sedimentation using evanescent-wave cavity ringdown ellipsometry', Applied Optics, vol. 52, no. 5, pp. 1086-1093. https://doi.org/10.1364/AO.52.001086
Stamataki, Katerina ; Papadakis, Vassilis ; Everest, Michael A. ; Tzortzakis, Stylianos ; Loppinet, Benoit ; Rakitzis, T. Peter. / Monitoring adsorption and sedimentation using evanescent-wave cavity ringdown ellipsometry. In: Applied Optics. 2013 ; Vol. 52, No. 5. pp. 1086-1093.
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