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首页> 外文会议>Conference on High-Power Diode Laser Technology and Applications II; 20040126-20040127; San Jose,CA; US >Chances and Limitations of High Power Diode Lasers
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Chances and Limitations of High Power Diode Lasers

机译：高功率二极管激光器的机会和局限性

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摘要

Great expectations were expressed about the future of high power diode lasers for direct materials processing applications, when they have been introduced in the mid nineties. Nevertheless, based on their technology, there are physical limitations, especially if beam quality is considered: Kilowatt power must be generated from individual elements, which do not provide more than a few watts for the time being, if they shall last for a reasonable time; such elements are incoherently combined. In this article the technology will be analyzed about their potential and a comparison with "conventional" high power lasers will be performed. Fortunately not all laser materials processing techniques require extremely high power density, i.e. high beam quality, but rather need a larger spot or a spot with a special shape. Such applications are the niches for the highly efficient and reliable diode lasers. In this context, high power diode lasers have proven to be a perfect supplement to the existing CO_2 and Nd:YAG materials processing lasers rather than a competitor for them.
机译：在90年代中期推出高功率二极管激光器后，人们对用于直接材料加工应用的高功率二极管激光器表示了极大的期望。但是，基于它们的技术，存在物理限制，尤其是在考虑光束质量的情况下：千瓦功率必须由单个元素产生，如果它们可以持续合理的时间，则暂时不能提供超过几瓦的功率。 ;这些元素是不连贯的。在本文中，将对该技术的潜力进行分析，并将与“常规”高功率激光器进行比较。幸运的是，并非所有的激光材料加工技术都需要极高的功率密度，即高光束质量，而是需要更大的光斑或具有特殊形状的光斑。这样的应用是高效和可靠的二极管激光器的利基。在这种情况下，高功率二极管激光器已被证明是对现有CO_2和Nd：YAG材料加工激光器的完美补充，而不是它们的竞争对手。

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