Generation Of 25 nm Coherent Padiation

J Pokor; P. H Bucksbaum; R R Freeman

doi:10.1117/12.941071

23 May 1984 Generation Of 25 nm Coherent Padiation

J Pokor, P. H Bucksbaum, R R Freeman

Proceedings Volume 0461, New Lasers for Analytical & Industrial Chemistry; (1984) https://doi.org/10.1117/12.941071
Event: 1984 Los Angeles Technical Symposium, 1984, Los Angeles, United States

Abstract

The recent development of rare gas halogen excimer lasers as amplifiers for picosecond pulses has led to the availability of ultraviolet laser pulses with gigawatt peak powers [1,2]. As primary sources of ultraviolet radiation, these lasers provide new leverage for the nonlinear generation of extreme ultraviolet (XUV) coherent radiation. We report studies of harmonic generation using a picosecond pulse 24P nm krypton fluoride laser system [1]. The third, fifth, and seventh harmonics were observed at 82.P nm, nm, and 35. nm, respectively. A more detailed description of the experiments has been published elsewhere [3]. A new geometrical arrangement for the observation of harmonic generation to the XUV spectral region was employed in these experiments; the nonlinear interaction took place at the intersection of the laser focus with an orthogonally directed, pulsed supersonic gas jet [3,11]. such an arrangement provides a localized region of high gas density in the vicinity of the nozzle orifice while substantially reducing the gas load on the pumping system.

Citation Download Citation

J Pokor, P. H Bucksbaum, and R R Freeman "Generation Of 25 nm Coherent Padiation", Proc. SPIE 0461, New Lasers for Analytical & Industrial Chemistry, (23 May 1984); https://doi.org/10.1117/12.941071

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