Title

Yield and temporal characterization of high-order harmonics from intense midinfrared excitation of a cesium vapor

Document Type

Article

Publication Date

1-1-2004

Abstract

Cesium vapor produced high harmonic radiation in the visible/UV spectral range when interacting with a tightly focused, intense midinfrared source. It was found that the measured yields of harmonic orders 9-17 yielded quantitative agreement with numerical simulations. Using an autocorrelation method, the 5th-9th harmonic orders were generated with sufficient pulse energies for direct temporal measurements. The cause of the spectral broadening was found to be a blueshift connected to a strong time-dependent ionization.

Publication Source (Journal or Book title)

Physical Review A - Atomic, Molecular, and Optical Physics

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