概括
研究人员开发了一种新的秒激光方法,在红外窗口上创建反射纳米结构. 这种技术显著提高光传导率,以提高光学性能.
科学领域:
- 光学和光子学 在光学和光子学.
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
背景情况:
- 抗反射的亚波长结构通过逐渐变化的折射率来提高光透射率.
- 在硬,易碎的红外窗户上制造这些结构带来了重大挑战.
研究的目的:
- 介绍一种用于在红外窗口上创建微纳米结构的新方法.
- 在硫化 (ZnS) 窗户上实现双面反射性能.
主要方法:
- 使用了秒激光直接写字技术.
- 在扫描过程中采用焦点复合技术.
主要成果:
- 在 ZnS 上成功创建了双面反光反射子波长结构.
- 从7.3-12.1μm实现了90%以上的光传导率.
- 在10μm时达到96%的峰值透射率,比未经处理的 ZnS.有20%的改进.
结论:
- 秒激光直接写作方法对于制造红外窗口上的反射纳米结构是有效的.
- 该技术适用于各种材料,可用于实际的反反射应用.
相关概念视频
01:16Confocal Fluorescence Microscopy
Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
01:37Super-resolution Fluorescence Microscopy
Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been developed.