Evaluation of spectral dispersion of optical constants of a-Se films from their normal-incidence transmittance spectra using Swanepoel algebraic envelope approach

@article{Saleh2017EvaluationOS,
  title={Evaluation of spectral dispersion of optical constants of a-Se films from their normal-incidence transmittance spectra using Swanepoel algebraic envelope approach},
  author={Mahmoud H. Saleh and Nidal M. Ershaidat and Mais Jamil A. Ahmad and Basim N. Bulos and Mousa M. Abdul-Gader Jafar},
  journal={Optical Review},
  year={2017},
  volume={24},
  pages={260-277}
}
Spectral dispersions of index of refraction $${n(\lambda )}$$n(λ) and extinction coefficient $${\kappa (\lambda )}$$κ(λ) of undoped amorphous selenium (a-Se) films of three thicknesses (d ≈ 0.5, 0.75, and 1.0 µm) were evaluated by analyzing experimental room-temperature normal-incidence transmittance-wavelength ($${{T_{{\text{exp}}}}(\lambda )} - \lambda$$Texp(λ)-λ) data (λ = 400–1100 µm) of their air-supported {a-Se film/thick glass slide}-stacks using Swanepoel’s transmission envelope theory… 
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