首页> 外文会议>Next-generation spectroscopic technologies III >A novel high-brightness, broadband light-source technology from the VUV to the IR
【24h】

A novel high-brightness, broadband light-source technology from the VUV to the IR

机译:从VUV到IR的新型高亮度宽带光源技术

获取原文
获取原文并翻译 | 示例

摘要

A novel technology has been developed which enables high-brightness, broadband light output from the VUV to the IR spectral regions. A focused laser is used to sustain a high-pressure xenon discharge inside a bulb, creating a smaller, hotter discharge than can be obtained by using an electrically-driven discharge. This allows for continuous output down to 120 nm wavelength and into the infrared. Application areas include hyperspectral imaging, standoff detection, surveillance, bioanalytical instrumentation, microscopy, and materials studies. Laser-driven optical discharges were first investigated over 30 years ago, providing the initial technical understanding of such discharges. However it took the convergence of two separate elements - the availability of low-cost, high-efficiency CW diode lasers; and a market need for high-brightness, broadband light source - to provide the impetus for further development in this area. Using near-IR CW diode lasers at power levels from 15 W to over 2000 W, we have generated high-pressure xenon discharges having temperatures as high as 10,000 C. The optical brightness of these discharges can be over an order of magnitude higher than those obtainable from the brightest xenon arc lamps, and can be several orders of magnitude brighter than deuterium lamps. Results from modeling of these discharges as well as experimental measurements will be presented.
机译:已经开发出一种新颖的技术,该技术能够将高亮度的宽带光从VUV输出到IR光谱区域。聚焦激光用于维持灯泡内部的高压氙气放电,与使用电驱动放电相比,可以产生更小,更热的放电。这样可以连续输出低至120 nm波长并进入红外光。应用领域包括高光谱成像,隔离检测,监视,生物分析仪器,显微镜和材料研究。激光驱动的光放电最早是在30年前进行的,提供了有关这种放电的初步技术知识。然而,这需要两个独立元素的融合-低成本,高效率的连续波二极管激光器的可用性;市场对高亮度宽带光源的需求-为该领域的进一步发展提供动力。使用功率从15 W到2000 W以上的近红外CW二极管激光器,我们已经产生了温度高达10,000 C的高压氙放电。这些放电的光学亮度可能比其高出一个数量级。可从最亮的氙弧灯获得,并且比氘灯亮几个数量级。将展示这些放电建模以及实验测量的结果。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号