Ultrafast-laser-induced microexplosions in transparent materials


E. N. Glezer, L. Huang, R. J. Finlay, T. Her, J. Paul Callan, C. B. Schaffer, and E. Mazur. 1996. “Ultrafast-laser-induced microexplosions in transparent materials.” In . 28th Annual Boulder Damage Symposium. Publisher's Version


Submicron-diameter structures can be produced inside many transparent materials by tightly focused 100-fs laser pulses. The ultrafast energy deposition creates very high temperature and pressure inside the region, initiating a microexplosion. Material is ejected from the center and forced into the surrounding volume, forming a void surrounded by densified material. Scanning electron microscopy and atomic force microscopy show structural changes confined to an area 200 nm in diameter.
Last updated on 07/24/2019