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).
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.