Hannover 2016 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 35: Attosecond physics

A 35.5: Vortrag

Donnerstag, 3. März 2016, 16:00–16:15, f107

Mechanisms for subcycle-dependent self-diffraction in transparent solids — •Jan Reislöhner, Aseem P. Pati, Christoph G. Leithold, and Adrian N. Pfeiffer — Institute for Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University, Max-Wien-Platz 1, 07743 Jena

A spatial analogue to the carrier-envelope offset phase of few-cycle laser pulses is the phase between the grooves of a grating and its envelope. Here, self-diffraction in a dielectric is studied in a two-pulse geometry where the laser-induced grating comprises only a few grooves. Two mechanisms lead to dependence on the grating-envelope offset phase, which is tuned by subcycle delays between the pulses: Interference, dominant in between the diffraction orders, and a mechanism that affects diffraction orders separately when the laser-induced grating acts as a micro-lens array.