Simultaneous spatial and temporal walk-off compensation in frequency-doubling femtosecond pulses in β-BaB2O4
Optics Letters, Vol. 23, Issue 16, pp. 1298-1300 (1998)
http://dx.doi.org/10.1364/OL.23.001298
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Abstract
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
Citation
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)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-16-1298
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