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一个介电式全向反射器
1Y. Fink, Department of Material Science and Engineering and Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. J. N. Winn, S. Fan, J. D. Joannopoulos, Department of Physics, Massachusetts Institute.
Science (New York, N.Y.)
|November 30, 1998
概括
研究人员开发了一种使用交替聚钢和层的全二电反射器. 这种新的反射器实现了宽带全向反射性,用于所有光极化,为先进的光学应用打开了大门.
科学领域:
- 材料科学 材料科学 材料科学
- 光学是什么?光学是什么?光学是什么?
- 光子学是指光子学的使用.
背景情况:
- 全向反射器是关键的光学元件,应用范围从激光器到能量收集.
- 现有的设计通常面临带宽,极化独立性或制造复杂性的限制.
研究的目的:
- 设计和制造一种全新的全二电反射器. 全向反射器.
- 为了在广泛的频率范围内实现所有极化,真正实现全向反射.
- 为了证明设计标准对各种应用的多功能性.
主要方法:
- 制造一个多层片堆.
- 使用交替的聚烯和层 (共9层).
- 采用特定的设计标准来实现全向反射.
主要成果:
- 在1015微米波长范围内的所有极化中,已证明了全向反射.
- 反射器是用微米厚的聚钢和层交替构成的简单堆来构建的.
- 设计标准是一般性的,适用于其他频段.
结论:
- 开发的全介电全向反射器为宽带,偏振独立光反射提供了强大的解决方案.
- 潜在的应用包括光学腔,低损耗波导和热电设备的高效辐射热屏障/集热器.
- 一般设计标准有助于创建适合特定频率范围和应用的全向反射器.
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