Multiphoton ionization processes in He using 41.8 eV soft X-ray photons are observed. Intense soft X-ray generated by phase-matched high-order harmonics enables the investigation of these nonlinear optical processes. The harmonics were introduced to a conventional time-of-flight (TOF) mass spectrometer to observe ion signals. The TOF spectra and photoelectron spectra of He are measured.


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    Title :

    Nonsequential two-photon ionization of He by using intense high-order harmonics in the soft X-ray region


    Contributors:


    Publication date :

    2004-01-01


    Size :

    103848 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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