May 5 – 10, 2019
Europe/Berlin timezone

Recent developments of the Betatron source at LOA

May 6, 2019, 10:00 AM
Main Hall (MedILS)

Main Hall


Oral Contribution Plenary session




Recent progress on generation and application of the Betatron source at LOA will be shown.

We will first present the production of Betatron radiation using ionization injection. We observed that both the signal and beam profile fluctuations are significantly reduced on this regime. In addition, radiation becomes polarized with a polarization that follows the laser polarization.

In this regime, the used the Betatron source to perform a femtosecond x-ray absorption experiment. We measured the transmittance of a copper sample brought to warm dense matter condition. The ultrafast dynamic of the electron temperature is inferred from the measurements.

We will then present recent results on the production of Betatron radiation in density tailored plasmas. We show that density tailoring can be used to control electrons orbits. We show that the Betatron source efficiency can be significantly improved for appropriate density profiles.

Working group Invited plenary talk

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