Progress on collisionally pumped optical-field-ionization soft X-ray lasers.
le Pape, S.
IEEE Journal of Selected Topics in Quantum Electronics; Nov/Dec2004, Vol. 10 Issue 6, p1351-1362, 12p
We present the status of optical field ionization soft X-ray lasers. The amplifying medium is generated by focusing a high-energy circularly polarized 30-fs 10-Hz Ti: sapphire laser system in a gaseous medium. Using xenon or krypton, strong laser emission at 41.8 and 32.8 nm, respectively, has been observed. After presenting the basis of the physics, we present recent characterization of the sources as well as dramatic improvement of their performances using the waveguiding technique. [ABSTRACT FROM PUBLISHER]
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