Fiber-fuse-like phenomenon in a bulk silica glass

D. Tokunaga, S. Sato, H. Hidai, S. Matsusaka, A. Chiba and N. Morita: “A
novel method of triggering fiber fuse inside glass by optical breakdown and
glass drilling as its application”, Applied Physics A, 400 (2019).
doi: 10.1007/s00339-019-2691-9

CW and pulse laser light beams are focused at a point in the glass. The pluses induce plasma which grows with the CW light. Video clips available.