首页> 外文期刊>Optics Letters >Role of two-photon absorption in Ta_2O_5 thin films in nanosecond laser-induced damage
【24h】

Role of two-photon absorption in Ta_2O_5 thin films in nanosecond laser-induced damage

机译:Ta_2O_5薄膜中双光子吸收在纳秒激光损伤中的作用

获取原文
获取原文并翻译 | 示例
           

摘要

Laser-induced damage in the nanosecond domain has been connected to the heating and breakdown of local defects within the thin film and the various interfaces. Within the femtosecond regime, the damaging events can be traced back to multiphoton-based excitation into the conduction band. When critical electron density is exceeded, an optical breakdown will occur. In this Letter we report on evidence that two-photon absorption also significantly triggers laser-induced damage in Ta_2O_5 thin films at 532 nm and 8 ns pulse duration. For experimental verification, single layers of Ta_2O_5/SiO_2 mixtures have been analyzed.
机译:纳秒范围内的激光诱导损伤已与薄膜和各种界面内局部缺陷的加热和击穿相关。在飞秒范围内,破坏事件可以追溯到基于多光子的激发进入导带。当超过临界电子密度时,将发生光击穿。在这封信中,我们报告的证据表明,在532 nm和8 ns的脉冲持续时间下,双光子吸收也会显着触发Ta_2O_5薄膜中的激光诱导损伤。为了实验验证,已经分析了单层的Ta_2O_5 / SiO_2混合物。

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