Underwater shockwave – Illumination comparison

Correct lighting is crucial when imaging challenging scientific phenomena and critical industrial processes.

The video shows a comparison of three different illuminations that are used to capture an underwater shockwave:
– Left: CAVILUX HF laser illumination, 50 ns pulses, camera exposure 290 ns
– Center: CW laser, camera exposure 290 ns
– Right: Metal halide lamp, camera exposure 680 ns

Video credit: Professor Tokitada Hashimoto at Saga University, Japan and Nobby Tech Ltd.

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Comparison video: Halogen light vs. CAVILUX laser illumination

Comparison video: Halogen light vs. CAVILUX laser illumination

Visualization of a discharge of an electrical switch (16 A, B curve) at 2000 frames per second. Electrical switches are key safety components in many systems. High-speed imaging is used to study their operation. Choosing the right lighting matters. The left video shows the process illuminated with a halogen light. Motion blur and the arc are visible reducing the quantity and quality of information. With CAVILUX laser illumination the arc is suppressed and motion blur eliminated thus providing clear images.

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