Characteristic linear absorption spectrum \ alpha ( E ) of bulk GaAs using two-band SBEs.
2.
For this reason it is a non-linear process several orders of magnitude weaker than linear absorption, thus very high light intensities are required to increase the number of such rare events.
3.
Usually, the absorption of waves does not depend on their intensity ( linear absorption ), although in certain conditions ( usually, in optics ), the medium changes its transparency dependently on the intensity of waves going through, and saturable absorption ( or nonlinear absorption ) occurs.
4.
Usually, the absorption of waves does not depend on their intensity ( linear absorption ), although in certain conditions ( usually, in optics ), the medium changes its transparency dependently on the intensity of waves going through, and the Saturable absorption ( or nonlinear absorption ) occurs.
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