ELFT HÍRADÓ

[szpl <szpl AT metal.elte.hu>]

ELTE Fizikai Intézet

                                ORTVAY KOLLOKVIUM

                    2018. novemberber 22., csütörtök, 15:00-kor
                Az ELTE Pázmány Péter s. 1/A alatti épületében
                           földszinti 0.81 előadóban


                                    Tóth Csaba
            (BELLA Center, ATAP, Lawrence Berkeley National Laboratory):

                Particle Acceleration in Strongly Excited Plasmas


Kivonatos ismertetés:
A new approach to accelerate particles to multi-GeV energies in short distances 
by the extremely strong local gradients achievable in plasmas via laser 
excitation become the topic of intensive experimental and theoretical research 
worldwide. The Berkeley Lab Laser Accelerator and its PW peak-power drive laser 
is uniquely dedicated to laser plasma acceleration (LPA) research. The 
‘BELLA-PW’ is a Chirped Pulse Amplification laser system (a.k.a. CPA, – see 
Noble Prize in Physics - 2018), and it is used for studying laser-plasma 
interactions occurring at extreme high laser intensities.  The peak intensity 
of the focused femtosecond laser beam reaches the relativistic photon-electron 
interaction regime (beyond 10^18 W/cm2), allowing electron acceleration 
experiments involving gas-jets and capillary discharges as primary plasma 
sources. Thin foil target studies aim to improve the properties of ion beams 
produced by high-field laser-solid interactions. In addition to the latest 
results, emerging applications of this new method of particle acceleration will
also be discussed.