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impulsive stimulated thermal scattering |
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impulsive stimulated thermal scattering [im¦pəl·siv ¦stim·yə‚lād·əd ¦thərm·əl ′skad·ər·iŋ]
(engineering) An optical, noncontacting method for characterizing the high-frequency acoustic behavior of surfaces, thin membrane, coatings, and multilayer assemblies, in which picosecond pulses of light from an excitation laser stimulate motions which are then detected with a continuous-wave probing laser. Abbreviated ISTS. Also known as transient grating photoacoustics. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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