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Band Structure Calculations of the Two-Photon Absorption Coefficients of GaAs, InP, CdTe, and ZnSe Pages: 6 Published: Oct 1981
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View License Agreement Source: STP759-EB Abstract The two-photon absorption coefficients of crystalline GaAs, InP, CdTe and ZnSe at 1.064 μm and 0.694 μm are calculated by means of a new model which combines the elements of second order perturbation thoery and band structure calculations. A sufficient number of intermediate states are included to assure adequate convergence. This calculational procedure is shown to represent a significant improvement over currently available theoretical models, and the results are in good agreement with available experimental data. Keywords: Two-photon absorption, nonlinear absorption, band-structure, oscillator strength Paper ID: STP37036S Committee/Subcommittee: F01.02 DOI: 10.1520/STP37036S ASTM International is a member of CrossRef. | ||