Ultra-Fast Opacity in Transparent Dielectrics Induced by Picosecond Bursts of Laser-Driven Ions

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)peer-review

Abstract

Direct investigation of ion-induced dynamics on picosecond (ps, 10-12 s) timescales has been precluded to date by the relatively long nanosecond (ns, 10-9 s) scale ion pulses typically provided by radiofrequency accelerators. By contrast, laser-driven ion accelerators provide bursts of ps duration. Here, we show that these bursts provide a platform suitable for the temporally resolved study of ultra-fast, ion-induced transients in transparent media. Applying this to borosilicate glass, the induced electron-hole plasma, observed as an onset of opacity to optical probe radiation, is characterised by the few-ps ion pump rise-time With observed decay time scales of 10’s to 100’s of picoseconds this is in excellent agreement with modelling revealing the evolving electron temperature and number density.
Original languageEnglish
Title of host publicationApplications of Laser-Driven Particle Acceleration
Place of PublicationBoca Raton
PublisherTaylor & Francis
Chapter9
Pages139-150
Number of pages22
ISBN (Electronic)9780429817106
DOIs
Publication statusPublished - 04 Jun 2018

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