Laser generation and detection of longitudinal and shear acoustic waves in a diamond anvil cell

Chigarev, Nikolay; Zinin, Pavel; Ming, Li-Chung; Amulele, George; Bulou, Alain; Gusev, Vitalyi
November 2008
Applied Physics Letters;11/3/2008, Vol. 93 Issue 18, p181905
Academic Journal
Laser ultrasonics in a point-source-point-receiver configuration is applied for the evaluation of elastic properties of nontransparent materials in a diamond anvil cell at high pressures. Measurement of both longitudinal and shear acoustic wave velocities in an iron foil at pressures up to 23 GPa does not require any information in addition to the one obtained by all-optical pump-probe technique.


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