Laser ultrasonic detection device and detection method applicable to large component nondestructive detection
A non-destructive testing and laser ultrasonic technology, which is applied to the analysis of solids, instruments, and analysis materials using sound waves/ultrasonic waves/infrasonic waves, and can solve problems such as small active area, fast attenuation, and short ultrasonic propagation distance
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[0073] Such as figure 1 and figure 2 As shown, the laser ultrasonic testing device suitable for non-destructive testing of large components of the present invention includes a power supply 15, a housing 1, an optical system and a control system, and the power supply 15, the optical system and the control system are all arranged in the housing 1, The front end of the housing 1 is a laser light outlet 2, and the upper panel of the housing 1 is provided with a handle 5 and two handle seats 6 for fixedly connecting the handle 5, and the optical system includes Laser and lens group module 7, total reflection mirror 8 and two-dimensional galvanometer 9, described laser device and lens group module 7 are arranged at the position in the middle of the lower part of housing 1, and described total reflection mirror 8 is arranged at laser and lens In front of the group module 7, the two-dimensional vibrating mirror 9 is arranged above the total reflection mirror 8; as image 3 As shown...
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