Phase-Matched Generation of Coherent Soft X-rays
Andy RundquistCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109–2099, USACharles G. DurfeeCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109–2099, USAZenghu ChangCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109–2099, USACatherine M. HerneCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109–2099, USASterling BackusCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109–2099, USAMargaret M. MurnaneCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109–2099, USAHenry C. KapteynCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109–2099, USA
1998en
ABI
Аннотация
Phase-matched harmonic conversion of visible laser light into soft x-rays was demonstrated. The recently developed technique of guided-wave frequency conversion was used to upshift light from 800 nanometers to the range from 17 to 32 nanometers. This process increased the coherent x-ray output by factors of 10(2) to 10(3) compared to the non-phase-matched case. This source uses a small-scale (sub-millijoule) high repetition-rate laser and will enable a wide variety of new experimental investigations in linear and nonlinear x-ray science.
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