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Proceedings Article

The impact of external optical feedback on the degradation behavior of high-power diode lasers

[+] Author Affiliations
Martin Hempel, Jens W. Tomm

Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)

Mingjun Chi, Paul M. Petersen

Technical Univ. of Denmark (Denmark)

Ute Zeimer, Markus Weyers

Ferdinand-Braun-Institut (Germany)

Proc. SPIE 8605, High-Power Diode Laser Technology and Applications XI, 86050L (February 26, 2013); doi:10.1117/12.2000067
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From Conference Volume 8605

  • High-Power Diode Laser Technology and Applications XI
  • Mark S. Zediker
  • San Francisco, California, USA | February 02, 2013

abstract

The impact of external feedback on high-power diode laser degradation is studied. For this purpose early stages of gradual degradation are prepared by accelerated aging of 808-nm-emitting AlGaAs-based devices. While the quantum well that actually experiences the highest total optical load remains unaffected, severe impact is observed to the cladding layers and the waveguide. Consequently hardening of diode lasers for operation under external optical feedback must necessarily involve claddings and waveguide, into which the quantum well is embedded. © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Martin Hempel ; Mingjun Chi ; Paul M. Petersen ; Ute Zeimer ; Markus Weyers, et al.
" The impact of external optical feedback on the degradation behavior of high-power diode lasers ", Proc. SPIE 8605, High-Power Diode Laser Technology and Applications XI, 86050L (February 26, 2013); doi:10.1117/12.2000067; http://dx.doi.org/10.1117/12.2000067


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