【摘要】 本文根据超声振动引起激光的Doppler效应的多光束干涉原理 ,设计了一种对速度敏感的激光超声检测探头 ,该探头调节方便、工作性能稳定、抗干扰性强 ,具有很强的实用价值更多还原

【Abstract】 The paper presents a probe design of sensitive to surface velocity of the target for laser-ultrasonic testing.Based on the fundamental works of Doppler effect for laser generated by ultrasonic vibration of the target surface and multi-beam of light interference.The probe advantage are adjustment convenience,work stabilization and practicability better.更多还原