High repetition rate laser restoration and monitoring of large area gilded surfaces
Laser ablation of large surfaces requires a significant increase in the pulse repetition rate, fast and precise scanning of the laser beam and fast feedback control over the ablated surface layers. Here laser-induced breakdown spectroscopy(LIBS) as a diagnostic tool is combined with fast (up to 20 m.s-1) laser beam scanning over large surface areas in 250 kHz repetition rate laser ablation experiments. The experiments were conducted on samples of gilded surfaces painted over with raw umber...[Show more]
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