Cross patterning on MgO based on dislocations using femtosecond laser irradiation

Shingo Kanehira; Kiyotaka Miura; Kazuyuki Hirao; Naoya Shibata; Yuichi Ikuhara

doi:10.1007/s00339-008-4561-8

Cross patterning on MgO based on dislocations using femtosecond laser irradiation

Shingo Kanehira, Kiyotaka Miura, Kazuyuki Hirao, Naoya Shibata, Yuichi Ikuhara

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

We show a unique technique to form dense dislocations locally inside a MgO single crystal with a rock-salt type structure using femtosecond (fs) laser irradiation. Cross-shaped patterns of micrometer size, originating from densely introduced dislocations, are formed spontaneously around the focal point. We controlled the three-dimensional propagation of the dislocations by adjusting the pulse energy of the fs laser and NA of objective lens. The technique may open up a new field of dislocation technology for optical applications.

Original language	English
Pages (from-to)	913-916
Number of pages	4
Journal	Applied Physics A: Materials Science and Processing
Volume	92
Issue number	4
DOIs	https://doi.org/10.1007/s00339-008-4561-8
Publication status	Published - 2008 Sep 1

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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Kanehira, S., Miura, K., Hirao, K., Shibata, N., & Ikuhara, Y. (2008). Cross patterning on MgO based on dislocations using femtosecond laser irradiation. Applied Physics A: Materials Science and Processing, 92(4), 913-916. https://doi.org/10.1007/s00339-008-4561-8

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