2011•Unpublished venueRequires access

Evaluation of the radiation hardness of GaSb-based laser diodes for space applications

Ignacio Esquivias, J. M. G. Tijero, Juan Barbero, Demetrio Lopez, Marc O. Fischer, Karl Roessner, Johannes Koeth

Abstract

We present an evaluation of the effects of proton and gamma irradiation on the performance of GaSb-based 2.1 μm laser diodes lasers for space applications. The study is focused on the effects of radiation on the Power-Current, Current-Voltage and Wavelength-Current-Temperature characteristics of the lasers. No significant radiation damage has been found.

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Key concepts: Laser, Optoelectronics, Diode, Materials science, Radiation, Radiation hardening, Current (fluid), Irradiation