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Blue Laser Diode (450 nm) Systems for Welding Copper

机译：用于焊接铜的蓝色激光二极管（450 nm）系统

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摘要

This paper will discuss the development of high power blue laser systems for industrial applications. The key development enabling high power blue laser systems is the emergence of high power, high brightness laser diodes at 450 nm. These devices have a high individual brightness rivaling their IR counterparts and they have the potential to exceed their performance and price barriers. They also have a very high T_o resulting in a 0.04 nm/℃ wavelength shift. They have a very stable lateral far-field profile which can be combined with other diodes to achieve a superior brightness. This paper will report on the characteristics of the blue laser diodes, their integration into a modular laser system demonstrating up to 730 Watts output power. Test results will be presented for welding of copper with power levels ranging from 150 Watts to 600Watts.
机译：本文将讨论用于工业应用的高功率蓝色激光系统的开发。高功率蓝色激光系统的关键发展是出现了450 nm高功率，高亮度激光二极管。这些设备具有很高的个人亮度，可以与IR同类产品媲美，并且有潜力超越其性能和价格壁垒。它们的T_o也很高，导致波长偏移为0.04 nm /℃。它们具有非常稳定的横向远场轮廓，可以与其他二极管结合使用以获得出色的亮度。本文将报告蓝色激光二极管的特性，将其集成到模块化激光系统中，展示出高达730瓦的输出功率。将给出功率在150瓦至600瓦之间的铜焊接测试结果。

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