The radiation pattern and the degree of light polarization for high–power laser diodes in up–threshold mode have been measured. Time dependence of the radiations power and a degree of polarization have been investigated. The possibility of 2 W CW laser diode based on InGaAs/GaAs–heterostructures lifetime predicting by preliminary measurements of space-energy and polarization characteristics of radiation discusses.
$^1$Department of Physics, Institute of Radio Engineering and Electronics, National Research University «MPEI» Krasnokazarmennaya st., 17, Moscow 111250, Russia
$^2$Faculty of Physics, Lomonosov Moscow State University Leninskie Gory 1, b.2, Moscow 119991, Russia