High-aspect-ratio line focus and plasma production using a random phase plate

Year: 1992

Authors: Desselberger M., Gizzi LA., Barrow V., Edwards J., Khattak F., Viana S., Willi O., Danson CN.

Autors Affiliation: Rutherford Appleton Lab, Didcot OX11 0QX, Oxon England;Univ London imperial Coll Sci Technol & Med, Blackett Lab, Price Consort Rd, London, England

Abstract: The use of rectangular-element random phase plates to generate a line focus is described- Photographic records of the resultant focus are presented and compared with theoretical calculations made by using an interference code. Good agreement is found. The code is used to investigate possible design modifications to produce a more square-topped line focus. A 12-ps Raman-shifted KrF (lambda = 0.268-mu-m) laser pulse is used in combination with such plates to produce a laser plasma. The plasma conditions are extensively characterized by using time-resolved extreme UV spectroscopy and a pinhole camera, and their suitability for x-ray laser applications is discussed.

Journal/Review: APPLIED OPTICS

Volume: 31 (19)      Pages from: 3759  to: 3766

KeyWords: x-ray laser
DOI: 10.1364/AO.31.003759

Citations: 3
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