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Enhanced Polarisation Control and Extreme Electric Fields

Advances in Terahertz Spectroscopy Applied to Anisotropic Materials and Magnetic Phase Transitions

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  • © 2021

Overview

  • Nominated as an outstanding Ph.D. thesis by the University of Warwick, Coventry, England
  • Reports advances in terahertz spectrocopy relating to enhanced control of the polarisation state of terahertz radiation produced by photoconductive emitters
  • Presents a novel photoconductive emitter design that facilitates the production of arbitrary linear polarisation states by electrical control alone
  • Introduces new methods of investigating optically anisotropic material properties using terahertz spectroscopy

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (6 chapters)

Keywords

About this book

This thesis reports advances in terahertz time-domain spectroscopy, relating to the development of new techniques and components that enhance the experimentalist’s control over the terahertz polarisation state produced by photoconductive emitters. It describes how utilising the dynamic magnetoelectric response at THz frequencies, in the form of electromagnons, can probe material properties at a transition between two magnetically ordered phases. Additionally, preliminary investigations into the properties of materials exposed to extreme terahertz optical electric fields are reported.
The work presented in this thesis may have immediate impacts on the study of anisotropic media at THz frequencies, with photoconductive emitters and detectors being the most commonly used components for commercially available terahertz spectroscopy and imaging systems, and by providing a new way to study the nature of magnetic phase transitions in multiferroics. In the longer term the increased understanding of multiferroics yielded by ultrafast spectroscopic methods, including terahertz time-domain spectroscopy, may help develop new magnetoelectric and multiferroic materials for applications such as spintronics.



Authors and Affiliations

  • Department of Physics, Lancaster University, Lancaster, UK

    Connor Devyn William Mosley

Bibliographic Information

  • Book Title: Enhanced Polarisation Control and Extreme Electric Fields

  • Book Subtitle: Advances in Terahertz Spectroscopy Applied to Anisotropic Materials and Magnetic Phase Transitions

  • Authors: Connor Devyn William Mosley

  • Series Title: Springer Theses

  • DOI: https://doi.org/10.1007/978-3-030-66902-7

  • Publisher: Springer Cham

  • eBook Packages: Physics and Astronomy, Physics and Astronomy (R0)

  • Copyright Information: The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2021

  • Hardcover ISBN: 978-3-030-66901-0Published: 26 March 2021

  • Softcover ISBN: 978-3-030-66904-1Published: 29 March 2022

  • eBook ISBN: 978-3-030-66902-7Published: 25 March 2021

  • Series ISSN: 2190-5053

  • Series E-ISSN: 2190-5061

  • Edition Number: 1

  • Number of Pages: XV, 115

  • Number of Illustrations: 1 b/w illustrations, 43 illustrations in colour

  • Topics: Optics, Lasers, Photonics, Optical Devices, Spectroscopy/Spectrometry, Chemistry/Food Science, general, Phase Transitions and Multiphase Systems

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