The possible use of semiconductor optoelectronic devices (laser diodes, light emitting diodes, photodetectors) as component parts of remote sensing and diagnostics systems, for different robotic setups in nuclear equipment or for optical fiber-based communication led to the intensive investigations of these components as they operate in radiation environment. We report our research on the evaluation of the gamma-ray induced degradation of several semiconductor laser diodes, emitting at three visible wavelengths, in order to make a preliminary assessment for their possible use in fusion installations. (C) 2003 Elsevier B.V. All rights reserved.
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