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Few-Cycle Electric Field Waveforms for Advanced Science and Technology

Periodic Reporting for period 1 - FEWFAST (Few-Cycle Electric Field Waveforms for Advanced Science and Technology)

Período documentado: 2017-09-01 hasta 2019-02-28

The project made the following advances with respect to the original objectives.

1/ Increasing energy in few-cycle infrared pulses: Modelling completed indicating favourable scaling. Work towards implementation in the laboratory ongoing under UK funding with tests awaiting the completion of an energy upgrade of our laser system.

2/ Reduction in pulse duration: A robust optimisation of the pulse duration has been achieved and the demonstrated in two recent applications: (a) using the few-cycle 1800 nm pulses to drive HHG to generate soft X-rays at 165 eV that have been used to probe the time dependence of S L edge XANES in photo-excited optoelectronic materials, (b) direct driving of HHG in liquid samples with CEP dependence investigated.

3/ Automation of alignment and locking: Successful demonstration of a prototype system, further optimisation of control software and optical system underway.

4/ Commercialisation: Underdevelopment along with discussions with a potential commercial partner.