Fast - Discharge - Initiated KrF Laser

Single-shot autocorrelator for KrF subpicosecond pulses based on two-photon fluorescence of cadmium vapor at lambda = 508 nm.

By excitation of cadmium vapor with a high-peak-power KrF excimer laser pulse, fluorescence of an atomic transition at lambda = 508 nm is induced by a two-photon ionization process followed by fast recombination. The nonlinear response of the medium is used to develop a simple single-shot autocorrelator for subpicosecond KrF excimer laser pulses operating down to intensities of less than 10(9)W...

Quantitative x-ray spectroscopy for energy transport in fast ignition plasma driven with LFEX PW laser ....... 4 KrF Nike Laser as a Powerful Platform for Experimental X-Ray Spectroscopy of High-Z Ions

Laser-induced fluorescence with tunable excimer lasers as a possible method for instantaneous temperature field measurements at high pressures: checks with an atmospheric flame.

A new method for instantaneous temperature field measurements based on LIF studies of OH, O(2), and H(2)O in an open atmospheric flame with a tunable excimer laser is suggested. In this method the crucial problem of quenching at higher pressures is almost completely eliminated by excitation to a fast predissociating state. The various possible excitation and fluorescence processes that can be i...

Detection of A10 mollecules produced by KrF laser-ablated All atoms in oxygen gas and plasma environments

Experiments have been performed to measure, in real time, the formation of Al0 molecules from laser-ablated Al atoms in oxygen gas and plasma environments. The Al atom plume is generated by focusing a KrF laser (4 J/cm’) on Al metal targets or polycrystalline AlaOs (alumina) ceramic. Al0 molecule formation has been characterized by emission spectroscopy at 464.82 and 484.22 nm molecular bandhea...

Amplification of ultrashort pulses in krypton fluoride at 248 nm.

Ultrashort pulses were produced at 248 nm by using a transverse-discharge KrF* excimer laser as a high-energy amplifier system. Input pulses for the amplifier system were obtained by upconverting the output of a modelocked visible dye laser to the ultraviolet by using nonlinear crystals. Pulses of up to 20 mJ; in energy with 10-30-psec duration were obtained at 10 pulses/sec. The output pulse w...