Overview

I studied as an undergraduate at the University of Oxford, graduating with an MPhys in 2019. My masters project involved the characterisation of a protoype particle detector constructed from off-the-shelf electronic components. In 2018 I completed an internship at the University of Cambridge, studying liquid crystal on silicon devices.

My PhD project is titled 'laser implosion fusion for clean energy generation'. Improving the efficiency of inertial confinement fusion to achieve a net energy gain is a long-standing research challenge. The project aims to develop novel metasurfaces to 'zoom' the laser beam dynamically, and hence more efficiently transfer laser energy to the fuel pellet throughout its implosion. Such technology could also find applications in laser machining and LIDAR. The project is supervised by Professors C. David Wright and Jacopo Bertolotti, and funded by AWE.

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Publications

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| 2023 | 2022 |

2023

• Braid G, Ruiz de Galarreta C, Comley A, Bertolotti J, Wright CD. (2023) Remote Thermal Sources for Switching Phase-Change Material-Based Metasurfaces, European Phase-Change and Ovonic Symposium (E\PCOS 2023), Sapienza Università Di Roma, Rome, 17th - 20th Sep 2023.
• Braid G, Ruiz de Galarreta C, Comley A, Bertolotti J, Wright CD. (2023) Switching of Phase-Change Optical Metasurfaces via Remote Thermal Sources, 13th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META23), Paris, France, 18th - 21st Jul 2023.

2022

• Braid G, Ruiz de Galarreta C, Comley A, Bertolotti J, Wright CD. (2022) Lens Numerical Aperture Control with Phase-Change Metasurfaces, European Phase-Change and Ovonic Symposium (E\PCOS 2022), Wolfson College, Oxford, Uk, 18th - 21st Sep 2022.
• Braid G, Ruiz de Galarreta C, Comley A, Bertolotti J, Wright CD. (2022) Phase-Change Metasurfaces for the Active Control of Lens Numerical Aperture, 12th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META22), Torremolinos, Spain, July 19 – 22, 2022, https://metaconferences.org/META/index.php/META2022/proceeding.
• Braid G, Ruiz de Galarreta C, Comley A, Bertolotti J, Wright CD. (2022) Optical and Thermal Design and Analysis of Phase-Change Metalenses for Active Numerical Aperture Control, Nanomaterials (Basel), volume 12, no. 15, DOI:10.3390/nano12152689. [PDF]

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