README file for: Dataset - Making liquid crystals twitch under metamaterial-enhanced terahertz illumination: toward strong optical nonlinearity

Dataset DOI:https://doi.org/10.5258/SOTON/D3334 


This dataset supports the publication:
Ben Beddoes, Nicholas Klokkou, Malgosia Kaczmarek, Vassili A Fedotov and Vasilis Apostolopoulos
Making liquid crystals twitch under metamaterial-enhanced terahertz illumination: toward strong optical nonlinearity
Optics Express
DOI:  https://doi.org/10.1364/OE.549912

2 xlsx files:
ResonancePowerTrack.xlsx - THz-TDS calibration data for the resonance power track plot. This corropsonds to Fig 5 (b) in the paper.
EmitterBiasResults.xlsx - Optical transmission data for the hybrid cell for resonant and non-resonant modes. This corrosponds to Fig 5 (c) and (d)

13 Matlab datafiles:
xxpp_date.mat - THz-TDS data for resonance mode of hybrid cell for different emitter bias
qRef_date.mat - Empty quartz cell reference required for THz-TDS extraction.
Files contain metadata, key sets are the tAxis and sAxis providing the timedomain and signal data 

1 Code file
test.m - This MATLAB script will perform windowing and and FFT on the THz-TDS .mat files and plot the THz-TDS data for each emitter bias value on a single plot. 
The intention is for this to be run in seperate folders for the resonance and non-resonance data
The resonance data corrosponds to the plot made in Fig. 5 (a).

Dates of data collection: 2024

Information about geographic location of data collection: University of Southampton, U.K.
Licence - CC-BY

Date that the file was created: 1 March 2025