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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 14, Iss. 10 — Oct. 1, 1997
  • pp: 2477–2480

Determination of the nonlinear refractive indices of Ca2Ga2SiO7 and SrLaGa3O7 with intense femtosecond optical pulses

Z. Burshtein, Y. Kostoulas, and H. M. van Driel  »View Author Affiliations

JOSA B, Vol. 14, Issue 10, pp. 2477-2480 (1997)

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The ordinary and extraordinary nonlinear refractive indices of SrLaGa3O7 and Ca2Ga2SiO7 were determined from the measured spectral changes in intense 800-nm, 150-fs pulses, propagated through these uniaxial crystals. A numerical analysis involving both group-velocity dispersion and self-phase modulation gave n2=(11±1)×10-20 m2/W in SrLaGa3O7 and n2=(6.5±1)×10-20 m2/W in Ca2Ga2SiO7 for ordinary polarization; results for extraordinary beams agreed with these values to within experimental error. These high values suggest that these crystals are viable host matrices for pulsed solid-state lasers, capable of producing subpicosecond pulses through Kerr-lens mode locking.

© 1997 Optical Society of America

Z. Burshtein, Y. Kostoulas, and H. M. van Driel, "Determination of the nonlinear refractive indices of Ca2Ga2SiO7 and SrLaGa3O7 with intense femtosecond optical pulses," J. Opt. Soc. Am. B 14, 2477-2480 (1997)

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