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Title: Measurement of shorter-than-skin-depth acoustic pulses in a metal film via transient reflectivity

Abstract

The detection of ultrashort laser-generated acoustic pulses at a metal surface and the reconstruction of the acoustic strain profile are reported on. A 2 ps-long acoustic pulse generated in an SrRuO3 layer propagates through an adjacent gold layer and is detected at its surface by a reflected probe pulse. We show that the intricate shape of the transient reflectivity waveform and the ability to resolve acoustic pulses shorter than the optical skin depth are controlled by a single parameter, which is determined by the ratio of the real and imaginary parts of the photoelastic constant of the material. Finally, we reveal a Fourier transform-based algorithm that can be used to extract acoustic strain profiles from transient reflectivity measurements.

Authors:
 [1];  [1];  [1];  [2];  [2];  [3];  [4];  [4];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Université du Maine, Le Mans (France)
  3. IFW Dresden (Germany)
  4. Univ. of Wisconsin, Madison, WI (United States)
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1557652
Grant/Contract Number:  
FG02-00ER15087
Resource Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 103; Journal Issue: 17; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Laser Ultrasonics; Thin Film Morphology

Citation Formats

Manke, K. J., Maznev, A. A., Klieber, C., Shalagatskyi, V., Temnov, V. V., Makarov, D., Baek, S. -H., Eom, C. -B., and Nelson, K. A. Measurement of shorter-than-skin-depth acoustic pulses in a metal film via transient reflectivity. United States: N. p., 2013. Web. doi:10.1063/1.4826210.
Manke, K. J., Maznev, A. A., Klieber, C., Shalagatskyi, V., Temnov, V. V., Makarov, D., Baek, S. -H., Eom, C. -B., & Nelson, K. A. Measurement of shorter-than-skin-depth acoustic pulses in a metal film via transient reflectivity. United States. doi:10.1063/1.4826210.
Manke, K. J., Maznev, A. A., Klieber, C., Shalagatskyi, V., Temnov, V. V., Makarov, D., Baek, S. -H., Eom, C. -B., and Nelson, K. A. Mon . "Measurement of shorter-than-skin-depth acoustic pulses in a metal film via transient reflectivity". United States. doi:10.1063/1.4826210. https://www.osti.gov/servlets/purl/1557652.
@article{osti_1557652,
title = {Measurement of shorter-than-skin-depth acoustic pulses in a metal film via transient reflectivity},
author = {Manke, K. J. and Maznev, A. A. and Klieber, C. and Shalagatskyi, V. and Temnov, V. V. and Makarov, D. and Baek, S. -H. and Eom, C. -B. and Nelson, K. A.},
abstractNote = {The detection of ultrashort laser-generated acoustic pulses at a metal surface and the reconstruction of the acoustic strain profile are reported on. A 2 ps-long acoustic pulse generated in an SrRuO3 layer propagates through an adjacent gold layer and is detected at its surface by a reflected probe pulse. We show that the intricate shape of the transient reflectivity waveform and the ability to resolve acoustic pulses shorter than the optical skin depth are controlled by a single parameter, which is determined by the ratio of the real and imaginary parts of the photoelastic constant of the material. Finally, we reveal a Fourier transform-based algorithm that can be used to extract acoustic strain profiles from transient reflectivity measurements.},
doi = {10.1063/1.4826210},
journal = {Applied Physics Letters},
number = 17,
volume = 103,
place = {United States},
year = {2013},
month = {10}
}

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Cited by: 13 works
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    Works referencing / citing this record:

    Femtosecond imaging of nonlinear acoustics in gold
    journal, January 2014

    • Pezeril, Thomas; Klieber, Christoph; Shalagatskyi, Viktor
    • Optics Express, Vol. 22, Issue 4
    • DOI: 10.1364/oe.22.004590