Design of dual-band cold mirrors

Dual-band cold mirrors are designed based on third-order of 121.6 nm multilayers, and they are only composed of LaF(3) and MgF(2). The designed mirrors have a high reflectance at 121.6 nm and 280 nm, and a low reflectance in visible waveband; they also have a narrow bandwidth of 4 nm at 121.6 nm, an...

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Detalles Bibliográficos
Autores principales: Wang, Xiaodong, Chen, Bo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2017
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5684308/
https://www.ncbi.nlm.nih.gov/pubmed/29133931
http://dx.doi.org/10.1038/s41598-017-15824-5
Descripción
Sumario:Dual-band cold mirrors are designed based on third-order of 121.6 nm multilayers, and they are only composed of LaF(3) and MgF(2). The designed mirrors have a high reflectance at 121.6 nm and 280 nm, and a low reflectance in visible waveband; they also have a narrow bandwidth of 4 nm at 121.6 nm, and low sidelobe ripples of two stopbands. A broadband antireflection coating and an asymmetrically Gaussian-apodization of thickness-modulated design method are proposed to eliminate sidelobe ripples of the reflection zone.

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