Nanosphere lithography for optical fiber tip nanoprobes

Light, Science & Applications
Marco PiscoAndrea Cusano

Abstract

This paper reports a simple and economical method for the fabrication of nanopatterned optical fiber nanotips. The proposed patterning approach relies on the use of the nanosphere lithography of the optical fiber end facet. Polystyrene (PS) nanospheres are initially self-assembled in a hexagonal array on the surface of water. The created pattern is then transferred onto an optical fiber tip (OFT). The PS monolayer colloidal crystal on the OFT is the basic building block that is used to obtain different periodic structures by applying further treatment to the fiber, such as metal coating, nanosphere size reduction and sphere removal. Ordered dielectric and metallo-dielectric sphere arrays, metallic nanoisland arrays and hole-patterned metallic films with feature sizes down to the submicron scale are achievable using this approach. Furthermore, the sizes and shapes of these periodic structures can be tailored by altering the fabrication conditions. The results indicate that the proposed self-assembly approach is a valuable route for the development of highly repeatable metallo-dielectric periodic patterns on OFTs with a high degree of order and low fabrication cost. The method can be easily extended to simultaneously produce mult...Continue Reading

References

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Citations

May 16, 2019·Scientific Reports·Yuzhang LiangTing Xu
Dec 15, 2018·Optics Letters·Karolina MilenkoDag R Hjelme
Jul 9, 2020·Nanomaterials·Shuang-Ning YangBing-Rong Gao
Apr 5, 2017·Nanotechnology·Iulia AntoheJeroen Lammertyn
Sep 13, 2019·Optics Express·Goekalp Engin AkinogluMichael Giersig
Apr 1, 2020·Nanoscale·Qi Wang, Lei Wang
Apr 4, 2020·ACS Sensors·Javier BarrosoLourdes Basabe-Desmonts
Oct 14, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Talha RazaullaRoseanne Warren
Aug 29, 2019··Stefano ManagòFrancesco Galeotti

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Methods Mentioned

BETA
Raman spectroscopy
atomic force microscopy
AFM
surface plasmon resonance
biosensing

Software Mentioned

ImageJ

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