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  • 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
  • (Optica Publishing Group, 2015),
  • paper CB_P_8

Lifetime of High Power Laser Diodes with Feedback from Optical Systems

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Abstract

Numerous applications based upon the advantages of laser diodes [1]. They are easily adaptable to a specific use and have good electrical to optical energy conversion efficiency. Optical engineers can choose from a wide range of parameters like number of emitters, wavelength, spectral width, brightness, lifetime and type of the heat sink [2]. Laser diode manufacturers optimize the semiconductor design to provide a stable and reliable component [3]. However, they can hardly consider the additional influence of an optical design positioned behind the laser diode. The most important influence on the emitters at standard operation, has the back reflected light from optical elements, e. g. volume Bragg gratings (VBG), collimation optics or fiber facets, as well as reflections from the processed surface of the application.

© 2015 IEEE

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