Fine structure of two-photon absorption in CdS |
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Authors: | J. Jackel H. Mahr |
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Affiliation: | Laboratory of Atomic and Solid State Physics and Materials Science Center, Cornell University, Ithaca, NY 14853, U.S.A. |
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Abstract: | We have observed the fine structure of the P-excitons (A, n = 2) in Cds through two-photon absorption. The strengths of absorption peaks of P-excitons and their dependence on the polarization of the light agree with predictions of a four-band model of two-photon absorption. Additional two-photon absorption peaks were identified as phasematched two-step two-photon processes involving second harmonic polarizations. |
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