NONLINEAR OPTICAL EXCITATION AND PHOTOCONDUCTIVITY OF THE VIBRONIC STATES OF THE F-CENTERS

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Submitted on 1 Jan 1976

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NONLINEAR OPTICAL EXCITATION AND

PHOTOCONDUCTIVITY OF THE VIBRONIC

STATES OF THE F-CENTERS

F. de Martini, G. Giuliani, P. Mataloni, F. Simoni

To cite this version:

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JOURNAL DE PHYSIQUE Colloque C7, supplkment au no 12, Tome 37, Dicembre 1976, page C7-105

NOMINEAR OPTICAL EXCITATION AND PHOTOCONDUCTIVITY

OF

**THE VIBRONIC STATES OF THE F-CENTERS(*)**

F. DE MARTINI, G. GIULIANI, P. MATALONI and F. SIMON1 Jstituto de Fisica 44 G. Marconi H, Universith di Roma, 00185 Roma, Italy

Abstract. - We present the results of the first investigation of the excited vibronic states of the F-center by a 2-photon technique. The nonlinear induced fluorescence and the nonlinear photoconductivity are detected allowing new information on the structure of the crystal.

(*) Work supported by Gruppo di Ricerca Elettronica Quantistica e Plasmi of the C. N. R., Roma.