TY  - JOUR
A1  - Pudell, Jan-Etienne
A1  - Sander, M.
A1  - Bauer, R.
A1  - Bargheer, Matias
A1  - Herzog, Marc
A1  - Gaál, Peter
T1  - Full Spatiotemporal Control of Laser-Excited Periodic Surface Deformations
T2  - Physical review applied
N2  - We demonstrate full control of acoustic and thermal periodic deformations at solid surfaces down to subnanosecond time scales and few-micrometer length scales via independent variation of the temporal and spatial phase of two optical transient grating (TG) excitations. For this purpose, we introduce an experimental setup that exerts control of the spatial phase of subsequent time-delayed TG excitations depending on their polarization state. Specific exemplary coherent control cases are discussed theoretically and corresponding experimental data are presented in which time-resolved x-ray reflectivity measures the spatiotemporal surface distortion of nanolayered heterostructures. Finally, we discuss examples where the application of our method may enable the control of functional material properties via tailored spatiotemporal strain fields.
Y1  - 2019
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/48661
SN  - 2331-7019
VL  - 12
IS  - 2
PB  - American Physical Society
CY  - College Park
ER  -