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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 19 — Jul. 1, 2011
  • pp: 3259–3267

Interferometric investigation and simulation of refractive index in glass matrixes containing nanoparticles of varying sizes

Michael Gerard Feeney, Rabia Ince, Mehmet Hikmet Yukselici, and Cagdas Allahverdi  »View Author Affiliations


Applied Optics, Vol. 50, Issue 19, pp. 3259-3267 (2011)
http://dx.doi.org/10.1364/AO.50.003259


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Abstract

The relationship between refractive index and nanoparticle radii of cadmium selenide (CdSe) nano particles embedded within glass matrixes was investigated experimentally and by simulations. A homemade automated Michelson interferometer arrangement employing a rotating table and a He–Ne laser source at a wavelength of 632.8 nm determined the refractive index versus nanoparticle radii of embedded cadmium selenide (CdSe) nanoparticles. The refractive index was found to decrease linearly with nanoparticle radius increase. However, one sample showed a step increase in refractive index; on spectroscopic analysis, it was found that its resonant wavelength matched that of the He–Ne source wavelength. The simulations showed that two conditions caused the step increase in refractive index: low plasma frequency and matched sample and source resonances. This simple interferometer setup defines a new method of determining the radii of nanoparticles embedded in substrates and enables refractive index tailoring by modification of exact annealing conditions.

© 2011 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4530) Instrumentation, measurement, and metrology : Optical constants
(160.2750) Materials : Glass and other amorphous materials
(160.4760) Materials : Optical properties
(260.2030) Physical optics : Dispersion
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: January 21, 2011
Revised Manuscript: April 12, 2011
Manuscript Accepted: May 6, 2011
Published: June 28, 2011

Citation
Michael Gerard Feeney, Rabia Ince, Mehmet Hikmet Yukselici, and Cagdas Allahverdi, "Interferometric investigation and simulation of refractive index in glass matrixes containing nanoparticles of varying sizes," Appl. Opt. 50, 3259-3267 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-19-3259

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