Abstract

Kinetic, spectral, intensity, angular, and polarization studies of resonant two-photon absorption (RTPA) in β-CdP2 have been carried out. RTPA was observed with 2.60 eV total energy of the two quanta. It was found that RTPA occurs through a real intermediated level which lies in the forbidden band at a depthE=0.86 eV. The transverse electron relaxation time during RTPA, the cross section for absorption of laser radiation quanta ind 3→C transitions, the equilibrium population of thed centers forn type doped samples, and the RTPA constant were determined to be 4.3 · 1014 sec, 1.25 · 10−17 cm, 0.95, and 0.028 cm/MW respectively.

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