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Improved performance of quantum cascade lasers via manufacturable quality epitaxial side down mounting process utilizing aluminum nitride heatsinks

机译:通过使用氮化铝散热器的可制造质量的外延侧面向下安装工艺,提高了量子级联激光器的性能

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We report substantially improved performance of high power quantum cascade lasers by utilizing epi-side down mounting that provides superior heat dissipation properties. We have obtained CW power output of 450 mW at 20℃ from mid-IR QCLs. The improved thermal management achieved with epi-side down mounting has also permitted us to carry out initial lifetime tests on the mid-IR QCLs. No degradation of power output is seen even after over 300 hours of CW operation at 25℃ with power output in excess of 300 mW. We believe these improvements should permit incorporation of mid-IR QCLs in reliable instrumentation.
机译:我们报告说,通过使用Epi面朝下安装可提供出色的散热性能,大功率量子级联激光器的性能得到了显着改善。我们从中红外QCL获得了在20℃时450 mW的CW功率输出。通过落射面朝下安装实现的改进的热管理也使我们能够对中红外QCL进行初始寿命测试。即使在25℃CW运行300小时以上且输出功率超过300 mW,也不会看到输出功率的下降。我们认为,这些改进应允许将中红外QCL纳入可靠的仪器中。

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