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Optics Letters

Optics Letters


  • Vol. 23, Iss. 16 — Aug. 15, 1998
  • pp: 1298–1300

Simultaneous spatial and temporal walk-off compensation in frequency-doubling femtosecond pulses in β-BaB2O4

Russell J. Gehr, Mark W. Kimmel, and A. V. Smith  »View Author Affiliations

Optics Letters, Vol. 23, Issue 16, pp. 1298-1300 (1998)

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We experimentally demonstrate the benefits of simultaneous compensation of spatial and temporal walk-off in frequency doubling of 800-nm 250-fs pulses, using three active and two compensating β-BaB2O4 crystals. The compensating crystals reverse both birefringent and group-velocity walk-off, resulting in a factor-of-4.5 improvement in doubling efficiency relative to one of the active crystals while maintaining the short pulse duration and the symmetric spatial profile that are characteristic of the single crystal.

© 1998 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

Russell J. Gehr, Mark W. Kimmel, and A. V. Smith, "Simultaneous spatial and temporal walk-off compensation in frequency-doubling femtosecond pulses in β-BaB2O4," Opt. Lett. 23, 1298-1300 (1998)

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