Figure 4

The (a) absorption spectra α (ω), (b) electron energy loss spectra L (ω) and (c) reflectivity spectra R (ω) for (GaAs)m/(AlAs)1 (m = 1 to 4) SLs as a function of electromagnetic wave frequency.

The (a) absorption spectra α (ω), (b) electron energy loss spectra L (ω) and (c) reflectivity spectra R (ω) for (GaAs)m/(AlAs)1 (m = 1 to 4) SLs as a function of electromagnetic wave frequency.