Self-assembled nanostructures for antireflection optical coatings

Yang Zhao; Guangzhao Mao; Jinsong Wang

doi:10.1117/12.577122

11 January 2005 Self-assembled nanostructures for antireflection optical coatings

Yang Zhao, Guangzhao Mao, Jinsong Wang

Proceedings Volume 5642, Information Optics and Photonics Technology; (2005) https://doi.org/10.1117/12.577122
Event: Photonics Asia, 2004, Beijing, China

Abstract

We report the first results of self-assembled nanostructures using colloids for antireflection optical coatings. Two-dimensional (2D) periodic nano-structures were made by using self-assembled 2D colloidal crystals on top of a transparent substrate. An atomic force microscope was used to evaluate the quality of the nanostructure. The feature size of the structures was around 105 nm. This sub-wavelength structure is equivalent to an artificial film on top of the substrate. The effective refractive index of the film is found to be around 1.3. Such a low-index materials is desired for anti-reflection coating to reduce Fresnal reflection. We have observed the reduced reflection from glass surfaces as well as enhanced transmission. Our calculated results agree well with experimental measurement.

Citation Download Citation

Yang Zhao, Guangzhao Mao, and Jinsong Wang "Self-assembled nanostructures for antireflection optical coatings", Proc. SPIE 5642, Information Optics and Photonics Technology, (11 January 2005); https://doi.org/10.1117/12.577122

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