Compression ultrafast imaging type arbitrary reflecting surface speed interferometer
A reflective surface and interferometer technology, applied in interferometers, interference spectroscopy, instruments, etc., can solve problems such as information loss, inability to repeat multiple measurements, unfavorable strong laser pulse shaping, etc., and achieve the effect of improving imaging performance
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[0055] Referring to Figure 1, Figure 8, Figure 9, the nanosecond laser 1 of the light source and target system 100 of the present invention generates a probe pulse laser signal with a pulse width of several tens of nanoseconds, a wavelength of 532 nm, and a single pulse energy greater than 1 mJ. The probe pulse laser signal is focused by the first convex lens 2, transmitted through the first beam splitter 3, and then imaged on the surface of the target 7 after passing through the second convex lens 4, the third convex lens 5, and the quartz glass sheet 6. The target 7 is on the other side. A beam of super-strong laser absorbs energy and implodes under ablation and produces a shock wave that spreads outwards. The pulse laser probe signal focused on its surface is reflected on the shock wave front to form signal light, and passes through the quartz glass plate again. 6 , The third convex lens 5 and the second convex lens 4 are reflected by the first beam splitter...
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