Investigation on nonlinear properties of Ga-Ge-Se nanocolloidal solutions

Author

Sebastian, I. ; Divya, S. ; Nampoori, V.P.N. ; Radhakrishnan, Pooja ; Thomas, Stephan

Author_Institution

Int. Sch. of Photonics, Cochin Univ. of Sci. & Technol., Cochin, India

fYear

2012

fDate

26-28 July 2012

Firstpage

1

Lastpage

4

Abstract

We present the preparation and nonlinear optical characterization of nanocolloidal solutions of Ge₂₇Ga₉Se₆₄ glass with different concentrations. Their nonlinear absorption is studied using open aperture Z-scan technique. Optical band gap of the material is be tuned by changing the concentration of the solute in the solution. Nonlinearity increases with decrease in optical band gap which in turn depends on the concentrations of the nanocolloidal solutions.

Keywords

absorption coefficients; chalcogenide glasses; colloids; energy gap; gallium compounds; germanium compounds; nanofabrication; nanostructured materials; nonlinear optics; semiconductor growth; Ge₂₇Ga₉Se₆₄; chalcogenide glass; nanocolloidal solutions; nonlinear absorption; nonlinear optical properties; open aperture Z-scan technique; optical band gap; Absorption; Glass; Integrated optics; Nonlinear optics; Optical films; Optical refraction; Optical scattering; Chalcogenide glass; nano colloid; nonlinearity;

fLanguage

English

Publisher

ieee

Conference_Titel

Optical Engineering (ICOE), 2012 International Conference on

Conference_Location

Belgaum

Print_ISBN

978-1-4673-2461-8

Electronic_ISBN

978-1-4673-2462-5

Type

conf

DOI

10.1109/ICOE.2012.6409564

Filename

6409564