光学学报, 2005, 25 (11): 1554, 网络出版: 2006-05-23   

紫外区全角度光子晶体反射镜

Omnidirectional Photonic Crystal Reflector Used in Ultraviolet Region
作者单位
浙江大学现代光学仪器国家重点实验室,杭州 310027
摘要
根据角域叠加原理,在石英玻璃基板上用全介质膜系实现了紫外区域全角度一维光子晶体反射镜的设计。采用两个不存在全角度反射带的一维光子晶体在角域上叠加,通过传输矩阵方法,从理论上计算合成光子存在全角度禁带,禁带波长范围328.95~352.11 nm,相对带宽为6.80%。实验上采用HfO2和SiO2两种薄膜材料,用电子束蒸发的方法在石英玻璃基板上制备合成光子晶体。若透射率在1%以下为光子晶体禁带,则禁带波长范围从331.2~350.4 nm,相对带宽5.63%。从而证明了角域叠加设计的正确性。
Abstract
According to the incident angle domain principle, the design of omnidirectional one-dimensional photonic crystal reflector in ultraviolet region is realized with all-dielectric coating series on quartz glass substrate. Two one-dimensional photonic crystals without omnidirectional reflective band are added in angle domain by using transmission matrix method, it is worked out theoretically that there exists omnidirectional forbidden band for synthesized photon, wavelength rangle of the forbidden band is 328.95~352.11 nm, relative bandwidth is 6.80%. Synthesized photonic crystal is fabricated on quartz glass substrate with two coating materials HfO2 and SiO2 by electron beam vaporization. If transmissivity is below 1%, it is photonic crystal forbidden band, the wavelength range of the forbidden band is 331.2~350.4 nm, the relative bandwidth is 5.63%. The result validates the angle domain addition design.

李明宇, 顾培夫, 厉以宇, 严晖. 紫外区全角度光子晶体反射镜[J]. 光学学报, 2005, 25(11): 1554. 李明宇, 顾培夫, 厉以宇, 严晖. Omnidirectional Photonic Crystal Reflector Used in Ultraviolet Region[J]. Acta Optica Sinica, 2005, 25(11): 1554.

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