Diagnostic of laser contrast using target reflectivity

Pirozhkov, A.S. and Choi, I.W. and Sung, J.H. and Lee, S.K. and Yu, T.J. and Jeong, T.M. and Kim, I.J. and Hafz, N. and McKenna, P. and Carroll, D.C. (2009) Diagnostic of laser contrast using target reflectivity. Applied Physics Letters, 94 (24). 241102-1-241102-3. ISSN 0003-6951 (http://dx.doi.org/10.1063/1.3148330)

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Abstract

Using three different laser systems, we demonstrate a convenient and simple plasma based diagnostic of the contrast of high-power short-pulse lasers. The technique is based on measuring the specular reflectivity from a solid target. The reflectivity remains high even at relativistic intensities above 10(19) W/cm(2) in the case of a high-contrast prepulse-free laser. On the contrary, the specular reflectivity drops with increasing intensities in the case of systems with insufficient contrast due to beam breakup and increased absorption caused by preplasma.

ORCID iDs

Pirozhkov, A.S., Choi, I.W., Sung, J.H., Lee, S.K., Yu, T.J., Jeong, T.M., Kim, I.J., Hafz, N., McKenna, P. ORCID logoORCID: https://orcid.org/0000-0001-8061-7091 and Carroll, D.C.;
  • Item type:Article
    ID code:19102
    Dates:
    Date
    Event
    15 June 2009
    Published
    Notes:Strathprints' policy is to record up to 8 authors per publication, plus any additional authors based at the University of Strathclyde. More authors may be listed on the official publication than appear in the Strathprints' record.
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Faculty of Science > Pure and Applied Chemistry
    Depositing user: Strathprints Administrator
    Date deposited:18 May 2010 13:22
    Last modified:11 Nov 2024 09:26
    URI:https://strathprints.strath.ac.uk/id/eprint/19102
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