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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 2001),
  • paper CThM2

Time-resolved dynamics of plasma self-channeling and bulk modification in silica glasses induced by a femtosecond laser

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Abstract

The time-resolved dynamics of plasma self-channeling and refractive index bulk modification in the bulk silica glasses were first observed in-situ using a high-intensity femtosecond (110 fs) Ti:sapphire laser laser (λp = 790 nm). The newly proposed pump-probe measurement was used to study the lifetime of both plasma self-channeling and induced refractive index bulk modification (Fig. 1, Fig. 2). The energy variation of transmitted probe beam, which propagates transversely through the plasma self-channeling is measured.

© 2001 Optical Society of America

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