Table-top transient collisional excitation x-ray laser research at LLNL: Status June 1997

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Description

This is a status report of transient collisional excitation x-ray laser experiments at LLNL during June 1997 that have the advantage of being conducted on a table-top. Two laser drivers with modest energy {approximately}6 J are used in the scheme: a long {approximately}1 ns pulse to preform and ionize the plasma followed by a short {approximately}1 ps pulse to produce the excitation and population inversion. The beams are co-propagated and focused using a combination of a cylindrical lens and paraboloid to a line of {approximately}70 {micro}m x 12.5 mm dimensions. High repetition rates approaching 1 shot/3 min. allow typically in ... continued below

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13 p.

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Dunn, J. July 1, 1997.

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Description

This is a status report of transient collisional excitation x-ray laser experiments at LLNL during June 1997 that have the advantage of being conducted on a table-top. Two laser drivers with modest energy {approximately}6 J are used in the scheme: a long {approximately}1 ns pulse to preform and ionize the plasma followed by a short {approximately}1 ps pulse to produce the excitation and population inversion. The beams are co-propagated and focused using a combination of a cylindrical lens and paraboloid to a line of {approximately}70 {micro}m x 12.5 mm dimensions. High repetition rates approaching 1 shot/3 min. allow typically in excess of 50 target shots in a day. Various slab targets have been irradiated and we report preliminary results for x-ray laser gain in 3p-3s J=0-1 Ne-like Ti and Fe transitions where gains as high as 24 cm{sup -1} and gL products of {approximately}15 have been observed.

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13 p.

Notes

OSTI as DE98052122

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  • Other Information: PBD: Jul 1997

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  • Other: DE98052122
  • Report No.: UCRL-ID--127872
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/302201 | External Link
  • Office of Scientific & Technical Information Report Number: 302201
  • Archival Resource Key: ark:/67531/metadc681695

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Creation Date

  • July 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Feb. 17, 2016, 6:49 p.m.

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Dunn, J. Table-top transient collisional excitation x-ray laser research at LLNL: Status June 1997, report, July 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc681695/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.