Abstract
Second, third, and fifth harmonics to wavelengths of UV and VUV are generated on a thin film of ZnO nanocrystal using a ~15-femtosecond Ti:sapphire laser oscillator. The third-harmonic conversion efficiency is one of the highest among all other dielectric materials. A 3rd-order interferometric autocorrelation is demonstrated for routine diagnostic of the femtosecond beam and the 5th-order autocorrelation is now possible.
© 2005 Optical Society of America
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