Numéro
J. Phys. Colloques
Volume 48, Numéro C7, Décembre 1987
1st International Laser M2P Conference
Page(s) C7-409 - C7-411
DOI https://doi.org/10.1051/jphyscol:1987798
1st International Laser M2P Conference

J. Phys. Colloques 48 (1987) C7-409-C7-411

DOI: 10.1051/jphyscol:1987798

CARACTERISATION D'UN LASER Nd : YAG CONTINU A MODES COUPLES

B. GEOFFROY, A. HAESSLER, F. HEISEL, T. LÉPINE and J.A. MIEHÉ

CRN, Groupe d'Optique Appliquée et Groupe de Photophysique Moléculaire, BP 20, F-67037 Strasbourg Cedex, France


Abstract
The temporal characteristics of the frequency doubled pulses of a continous wave mode locked Nd : YAG laser have been investigated by means of a streak camera. Single shot streak measurements allow direct studies of the individual laser pulses. The stability in amplitude and shape of the pulses depends on the critical alignment of the mode locker and on the cavity length adjustment. Synchroscan measurements made conspicuous the influence of the spectral quality of the oscillator on the fluctuations of the temporal profil, of the intensity and also of the time interval between successive pulses.