Transmission properties of all-silica fibers for material processing

N. Reng

doi:10.1117/12.2308735

23 July 1993 Transmission properties of all-silica fibers for material processing

N. Reng

Proceedings Volume 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology; 19838S (1993) https://doi.org/10.1117/12.2308735
Event: 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 1993, Budapest, Hungary

Abstract

We constructed an ultrafast stroboscopic photographic arrangement. A PMMA surface was ablated by an ArF excimer laser, and pictures were taken by two delayed, subnanosecond dye laser pulses. We measured the propagation velocity as a function of time, and found a good agreement with shock wave theory. The pressure behind the shock front can be as high as 1939 atm.. In the first phase of the ablation process a head wave could be seen, presumably generated by the lightest fragments, that are ejected with the highest velocity, perpendicular to the surface.

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N. Reng "Transmission properties of all-silica fibers for material processing", Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 19838S (23 July 1993); https://doi.org/10.1117/12.2308735

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