Imaging Light with Photoelectrons on the Nano-Femto Scale / by Yanan Dai

By:

Dai, Yanan [VerfasserIn]

Resource type: Ressourcentyp: Buch (Online)Book (Online)Language: English Series: Springer Theses, Recognizing Outstanding Ph.D. ResearchPublisher: Cham : Springer International Publishing, 2020Publisher: Cham : Imprint: Springer, 2020Edition: 1st ed. 2020Description: 1 Online-Ressource(XV, 115 p. 77 illus., 68 illus. in color.)ISBN:

9783030528362

Subject(s):

Additional physical formats: 9783030528355 | 9783030528379 | 9783030528386 | Erscheint auch als: 9783030528355 Druck-Ausgabe | Erscheint auch als: 9783030528379 Druck-Ausgabe | Erscheint auch als: 9783030528386 Druck-AusgabeDOI: DOI: 10.1007/978-3-030-52836-2Online resources:

Summary: Chapter1: Introduction -- Chapter2: Experimental Methods -- Chapter3: Simulation Framework -- Chapter4: Propagating Surface Plasmon Polaritons (SPPs) -- Chapter5: Spin Angular Momenta and Chirality of SPPs -- Chapter6: Plasmon Orbital Angular Momentum Generation -- Chapter7: Summary and Perspectives.Summary: This thesis presents significant advances in the imaging and theory of the ultrafast dynamics of surface plasmon polariton fields. The author details construction of a sub-10 femtosecond and sub-10 nanometer spatiotemporal resolution ultrafast photoemission microscope which is subsequently used for the discovery of topological meron and skyrmion-like plasmonic quasiparticles. In particular, this enabled the creation of movies of the surface plasmon polariton fields evolving on sub-optical wavelength scales at around 0.1 femtosecond per image frame undergoing vortex phase evolution. The key insight that the transverse spin of surface plasmon polaritons undergoes a texturing into meron or skyrmion-like topological quasiparticles (defined by the geometric charge of the preparation) follows. In addition, this thesis develops an analytical theory of these new topological quasiparticles, opening new avenues of research, while the ultrafast microscopy techniques established within will also be broadly applicable to studies of nanoscale optical excitations in electronic materials.PPN: PPN: 1734625430Package identifier: Produktsigel: ZDB-2-PHA | ZDB-2-SEB | ZDB-2-SXP

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