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Efficiency of Optical-to-Acoustic Energy Conversion upon the Interaction of a Pulsed Laser Radiation with a Liquid: I. Calculation of the Efficiency upon Acoustooptic Interaction

机译:脉冲激光辐射与液体相互作用时光声能量转换的效率:I.声光相互作用时效率的计算

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摘要

Relationships for the efficiency of conversion of laser radiation energy to acoustic energy for the acoustooptic (thermal) mechanism of interaction are derived. The cases of short and long laser pulses interacting with the rigid and free boundaries of a heavily absorbing liquid are considered. The efficiency is numerically calculated for the situation when the radiation of a transverse-excitation atmospheric (TEA) CO_2 laser interacts with water with regard for the temperature variation of the volume thermal expansion coefficient of the latter.
机译:推导了声光相互作用的激光辐射能转换为声能的效率关系。考虑短和长激光脉冲与高吸收性液体的刚性和自由边界相互作用的情况。针对横向激发大气(TEA)CO_2激光的辐射与水相互作用的情况,根据后者的体积热膨胀系数的温度变化,通过数值计算效率。

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