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Imaging gigahertz surface acoustic waves through the photoelastic effect |
JOSA B, Vol. 27, Issue 12, pp. 2632-2638 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002632
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Abstract
This paper presents experiments and in-depth analysis of the imaging of surface acoustic waves by means of the photoelastic effect. Gigahertz surface acoustic waves, generated by optical pump pulses in a thin gold film on a glass substrate, are imaged in the time domain by monitoring ultrafast changes in optical reflectivity. We demonstrate how images of the in-plane acoustic shear strain component can be obtained by measurements with two different optical probe pulse polarizations incident from the substrate side.
© 2010 Optical Society of America
OCIS Codes
(110.5120) Imaging systems : Photoacoustic imaging
(110.7170) Imaging systems : Ultrasound
(240.6690) Optics at surfaces : Surface waves
(260.1440) Physical optics : Birefringence
(100.0118) Image processing : Imaging ultrafast phenomena
(290.5825) Scattering : Scattering theory
ToC Category:
Imaging Systems
History
Original Manuscript: August 12, 2010
Revised Manuscript: October 12, 2010
Manuscript Accepted: October 13, 2010
Published: November 11, 2010
Citation
Taiki Saito, Osamu Matsuda, Motonobu Tomoda, and Oliver B. Wright, "Imaging gigahertz surface acoustic waves through the photoelastic effect," J. Opt. Soc. Am. B 27, 2632-2638 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-12-2632
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