Transfering ultra-thin metallic metasurfaces to fibre endoscope probes for advanced imaging

Rafael Fuentes-Dominguez; Fei He; Richard Cousins; Christopher J. Mellor; George S. D. Gordon

doi:10.1117/12.2608774

2 March 2022 Transfering ultra-thin metallic metasurfaces to fibre endoscope probes for advanced imaging

Rafael Fuentes-Dominguez, Fei He, Richard Cousins, Christopher J. Mellor, George S. D. Gordon

Proceedings Volume 11953, Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXII; 119530F (2022) https://doi.org/10.1117/12.2608774
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

In this paper we present a method to transfer ultra-thin polymer-encapsulated metallic metasurfaces onto optical fibers to enable ultra-thin imaging devices. The metasurface is first produced by conventional e-beam lithography on a silicon substrate and encapsulated by a resist layer. After patterning the resist layer to the target shape, the encapsulated metasurfaces are peeled off from the substrate and then glued onto the tip of a single- or multi-mode optical fiber. As a proof-of-concept we demonstrate a nanowire grating polarizer on the tip of an optical fibre. This method will allow the design and fabrication of multi-layered metasurface endoscopic devices for imaging and sensing.

Conference Presentation

Citation Download Citation

Rafael Fuentes-Dominguez, Fei He, Richard Cousins, Christopher J. Mellor, and George S. D. Gordon "Transfering ultra-thin metallic metasurfaces to fibre endoscope probes for advanced imaging", Proc. SPIE 11953, Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXII, 119530F (2 March 2022); https://doi.org/10.1117/12.2608774

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