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The hole story: the Tokyo method of analyzing laser effects. Click for info.
Measuring holes. (Lower left) The laser makes a hole in a material. (Upper left) The fluence of the laser is measured. (Lower right) Measurements of the fluence and the hole depth are superimposed. (Upper right) The relationship between these measurements is then determined so that hole depth can be calculated based solely on the fluence. © 2021 Sakurai et al.
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