Nano-fabrication and characterization of non-uniform surface relief gratings in azobenzene molecular glass films

Nicholas Swanson; Ribal Georges Sabat

doi:10.1117/12.2504382

4 March 2019 Nano-fabrication and characterization of non-uniform surface relief gratings in azobenzene molecular glass films

Nicholas Swanson, Ribal Georges Sabat

Author Affiliations +

Proceedings Volume 10930, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XII; 1093013 (2019) https://doi.org/10.1117/12.2504382
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Non-uniform surface relief gratings were laser-inscribed on azobenzene molecular glass thin films using a modified Lloyd’s mirror interferometer. The azobenzene films were exposed to an adjustable interference pattern obtained from the recombination of collimated and spherically divergent laser beams. The localized pitch, grating vector orientation and depth of several non-uniform gratings, with central pitches ranging from 500 nm to 2000 nm, were measured and characterized experimentally. These gratings exhibited a chirping or pitch variation along the imposed X-axis as well as an angular change in the grating vector orientation along the imposed Y-axis.

Citation Download Citation

Nicholas Swanson and Ribal Georges Sabat "Nano-fabrication and characterization of non-uniform surface relief gratings in azobenzene molecular glass films", Proc. SPIE 10930, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XII, 1093013 (4 March 2019); https://doi.org/10.1117/12.2504382

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