A. A. Burov, E. M. Krasavina, I. V. Kryukova, G. V. Rodichenko, “Investigation of the degradation of sealed electron-beam-pumped semiconductor lasers”, Kvantovaya Elektronika, 1986, Volume 13, Number 12,Pages <nobr>2529

Brief Communications

Investigation of the degradation of sealed electron-beam-pumped semiconductor lasers

A. A. Burov, E. M. Krasavina, I. V. Kryukova, G. V. Rodichenko

Abstract: An investigation was made of the causes of degradation of the active elements of sealed semiconductor GaAs lasers pumped transversely by electron beam pulses. Tests involving application of 5×10⁶ pulses under the usual pumping conditions indicated that the main factor which reduced the output radiation power was the optical self-damage of some parts of the laser crystal because of the pump inhomogeneities. Accelerated tests at the frequency 3 kHz involving application of up to 5×10⁷ pulses revealed fatigue damage to the active region of the laser crystal as a result of cyclic interaction with the electron beam and with the radiation emitted by the laser itself.

UDC: 621.373.826.038.825.4

PACS: 42.55.Px, 42.88.+h, 42.70.Hj, 42.60.Da

Received: 14.03.1986