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Optical properties of indium phosphide inp

J. O. AKINLAMI1,* , U. G. IKPEOHA1

Affiliation

  1. Department of Physics, Federal University of Agriculture, P.M.B 2240, Abeokuta, Ogun State, Nigeria

Abstract

Knowledge of the optical properties of Indium Phosphide is important because of the increasing application of InP in many electronics and photonic devices. We have investigated the optical properties of Indium Phosphide (InP) in the photon energy range 0.6 – 6.0eV. We obtained refractive index which has a maximum value of 4.42 at photon energy 3.1eV, the extinction coefficient which has a maximum value of 3.5 at photon energy 4.80eV, the dielectric constant, the real part of the complex dielectric constant has a maximum value of 17.0 at photon energy 3.0eV and the imaginary part of the complex dielectric constant has a maximum value of 23.0 at photon energy 4.8eV, the transmittance which has a maximum value of 0.22 at photon energy 3.0eV, the absorption coefficient which has a maximum value of 17 x 107 m-1 at photon energy 5.0eV, reflectance which has a maximum value of 0.62 at 5.1eV, reflection coefficient which has a maximum value of 0.79 at photon energy 5.0eV, the real part of optical conductivity has a maximum value of 13 x 1015 at 4.8eV and the imaginary part of the optical conductivity has a maximum value of 4.8 x 1015 at 5.1eV. The values obtained for the optical properties of InP is in good agreement with other results by Adachi, Kim et al, Maloney and Aspnes and Studna..

Keywords

Complex index of refraction, Extinction coefficient, Complex dielectric constant, Transmittance, Absorption coefficient, Reflection coefficient, Reflectance, Optical conductivity, Semiconductor and photon energy.

Submitted at: June 26, 2012
Accepted at: May 15, 2014

Citation

J. O. AKINLAMI, U. G. IKPEOHA, Optical properties of indium phosphide inp, Journal of Optoelectronics and Advanced Materials Vol. 16, Iss. 5-6, pp. 672-676 (2014)