Abstract
We demonstrate a prismless femtosecond Ti:sapphire ring laser that emits for of pump power over a continuum extending from at below the maximum. A broadband continuum is obtained with the net cavity group delay dispersion having oscillations from . Further broadening is obtained by use of a slightly convex cavity mirror that increases self-phase modulation. Approximately 17% (75%) of the intracavity (output) power is generated in single pass through the crystal, outside the cavity bandwidth, and concentrated in the low-gain IR from .
© 2006 Optical Society of America
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