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Abstract <p>The authors propose a way of assessing the quality of the heterostructure of a high-power 200 mW laser diode based on measuring spectra of radiation intensity in the over-the-threshold mode of generation. The procedure is based on fixing and analyzing groups of generation modes related to spatial radiation channels. The spectra are measured at different pumping currents lower than the standard for short (no more than 30 min) time intervals.</p>

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Radiation Spectra and Assessing the Quality of a High-Power Laser Diode upon Entering the Operating Mode

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • V. V. Bliznyuk,
  • V. A. Parshin,
  • A. G. Rzhanov,
  • O. I. Semenova,
  • A. E. Tarasov,
  • N. A. Khlyntsev

摘要

Abstract

The authors propose a way of assessing the quality of the heterostructure of a high-power 200 mW laser diode based on measuring spectra of radiation intensity in the over-the-threshold mode of generation. The procedure is based on fixing and analyzing groups of generation modes related to spatial radiation channels. The spectra are measured at different pumping currents lower than the standard for short (no more than 30 min) time intervals.