Dr Nicholas Klokkou

Research Fellow

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Publications

9 publications

Page 1 of 1

THz-TDS: extracting complex conductivity of two-dimensional materials via neural networks trained on synthetic and experimental data

Benjamin Beddoes, Nicholas Klokkou, Jon Gorecki, Patrick Whelan, Peter Boggild, Peter U. Jepsen & Vasileios Apostolopoulos, 2025, Optics Express, 33(7), 14872-14884

DOI: 10.1364/OE.557580

Type: article

Making liquid crystals twitch under metamaterial-enhanced terahertz illumination: toward strong optical nonlinearity

Ben Beddoes, Nicholas Klokkou, Malgosia Kaczmarek, Vassili A. Fedotov & Vasilis Apostolopoulos, 2025, Optics Express, 33(1), 1008-1019

DOI: 10.1364/OE.549912

Type: article

Deep neural network ensembles for THz-TDS refractive index extraction exhibiting resilience to experimental and analytical errors

Nicholas Klokkou, Jon Gorecki, Ben Beddoes & Vasilis Apostolopoulos, 2023, Optics Express , 31(26), 44575-44587

DOI: 10.1364/OE.507439

Type: article

Integrating Terahertz Time-Domain Spectroscopy with microfluidic platforms and machine learning for protein hydration studies

Nicholas Klokkou, 2023

Type: thesis

Artificial neural networks for material parameter extraction in terahertz time-domain spectroscopy

Nicholas Klokkou, Jon Gorecki, James S. Wilkinson & Vasilis Apostolopoulos, 2022, Optics Express , 30(9), 15583-15595

DOI: 10.1364/OE.454756

Type: article

Extruded TOPAS hollow-core anti-resonant fiber optimized for THz guidance at 0.9THz

Natthawat Phanchat, Wanvisa Talataisong, Nicholas Thomas Klokkou, Ratchapak Chitaree, Vasileios Apostolopoulos, Martynas Beresna & Gilberto Brambilla, 2022, Optics Express, 30(8), 13059-13069

DOI: 10.1364/OE.450550

Type: article

THz spectroscopy of BSA in a surface-tension confined flow-cell

Nicholas T. Klokkou, David J. Rowe, Bethany M. Bowden, Neil P. Sessions, Jonathan J. West, James S. Wilkinson & Vasilis Apostolopoulos, 2021

DOI: 10.1109/IRMMW-THz50926.2021.9567508

Type: conference

THz-TDS parameter extraction via machine learning

Nicholas T. Klokkou, Jonathan Gorecki & Vasileios Apostolopoulos, 2021

Type: conference

High-precision THz-TDS via self-referenced transmission echo method

Jonathan Gorecki, Nicholas T. Klokkou, Lewis, Kieran Piper, Sakellaris Mailis, Nikitas Papasimakis & Vasileios Apostolopoulos, 2020, Applied Optics, 59(22), 6744-6750

DOI: 10.1364/AO.391103

Type: article

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