Photoexcitation of short acoustic pulses in magnetic field

N. V. Chigarev

doi:10.1117/12.558782

10 June 2004 Photoexcitation of short acoustic pulses in magnetic field

N. V. Chigarev

Proceedings Volume 5482, Laser Optics 2003: Superintense Light Fields and Ultrafast Processes; (2004) https://doi.org/10.1117/12.558782
Event: Laser Optics 2003, 2003, St. Petersburg, Russian Federation

Abstract

New nonthermal mechanism of sound photoexcitation in semiconductors having transition into ferromagnetic phase is proposed. The efficiency of this mechanism is compared with the efficiency of electron-deformation mechanism. Simple situation of a drift with constant velocity is described. The duration of generated acoustic pulse depends on the velocity of the drift and the thickness of transition area.

Citation Download Citation

N. V. Chigarev "Photoexcitation of short acoustic pulses in magnetic field", Proc. SPIE 5482, Laser Optics 2003: Superintense Light Fields and Ultrafast Processes, (10 June 2004); https://doi.org/10.1117/12.558782

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