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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 6, Iss. 5 — May. 1, 2008
  • pp: 388–390

Self-formation of void array in Al2O3 crystal by femtosecond laser irradiation

Xiao Hu, Juan Song, Qinling Zhou, Luyun Yang, Xiaodan Wang, Congshan Zhu, and Jianrong Qiu  »View Author Affiliations

Chinese Optics Letters, Vol. 6, Issue 5, pp. 388-390 (2008)

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The femtosecond laser induced void array inside Al2O3 crystals was discussed. The void array was formed spontaneously under the irradiation of a single beam of infrared femtosecond laser which was focused at a fixed point inside the Al2O3 crystal sample. It was found that the regular voids only could be fabricated near the sample surface, which was different from the situation in CaF2 single crystal reported before. The possible mechanism of the phenomena was also discussed.

© 2008 Chinese Optics Letters

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

Xiao Hu, Juan Song, Qinling Zhou, Luyun Yang, Xiaodan Wang, Congshan Zhu, and Jianrong Qiu, "Self-formation of void array in Al2O3 crystal by femtosecond laser irradiation," Chin. Opt. Lett. 6, 388-390 (2008)

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