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- A. Bojahr, Marc Herzog, +7 authors Matias Bargheer
- Optics express
- 2013

We monitor how destructive interference of undesired phonon frequency components shapes a quasi-monochromatic hypersound wavepacket spectrum during its local real-time preparation by a nanometric transducer and follow the subsequent decay by nonlinear coupling. We prove each frequency component of an optical supercontinuum probe to be sensitive to one… (More)

- F. Maerten, Phillip Resor, David D. Pollard, L. Maerten
- 2014

The increasing quality of geodetic data (synthetic aperture radar interferometry [InSAR] dense Global Positioning System [GPS] arrays) now available to geophysicists and geologists are not fully exploited in slip-inversion procedures. Most common methods of inversion use rectangular dislocation segments to model fault ruptures and therefore oversimplify… (More)

- L. Maerten, A. Bojahr, Matthias Gohlke, Martin Roessle, Matias Bargheer
- Physical review letters
- 2015

We study the linear and nonlinear acoustic response of SrTiO3 across its ferroelastic transition at Ta=105 K by time domain Brillouin scattering. Above Ta we observe that for a strain amplitude of ∼0.18% the sound velocity for compressive strain exceeds the tensile strain velocity by 3%. Below Ta we find a giant slowing down of the sound velocity by 12%… (More)

- F. Maerten, L. Maerten, David D. Pollard
- Computers & Geosciences
- 2014

- L. Maerten, A. Bojahr, Matias Bargheer
- Ultrasonics
- 2015

We use broadband time domain Brillouin scattering to observe coherently generated phonon modes in bulk and nanolayered samples. We transform the measured transients into a frequency-wavevector diagram and compare the resulting dispersion relations to calculations. The detected oscillation amplitude depends on the occupation of phonon modes induced by the… (More)

- L. Maerten
- 2002

Numerical models based on linear elasticity theory predict asymmetric slip distribution with a steep slip gradient near the line of intersection of intersecting normal faults. They also predict a discrepancy between the direction of slip on the fault plane and the direction of resolved shear stress. Both variations in slip magnitude and direction are due to… (More)

Part of the Chimney Rock fault system, located on the northern San Rafael Swell, Utah, was mapped by integrating air photograph interpretation and differential global positioning system (GPS) location data. Fault slip, slip directions, and hanging wall subsidence/footwall uplift were digitally recorded in the ®eld along and between the normal faults using… (More)

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