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Can anyone point me to a source for measurements of the third-order nonlinear electric susceptibilities $\chi^{(3)}$ of various metals? Specifically in relation to the AC Kerr effect, so measurements of the second-order index $n_2$ would do as well.

For example, Bloembergen published measurements in 1969 (Opt. Comm. 1(4), 195) of the $\chi^{(3)}$ of silver and gold determined using THG, but I'd like to know if there's any data for other metals, and whether they are any different when studying the Kerr effect.

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  • $\begingroup$ What frequency? (Or DC limit?) $\endgroup$ Apr 19, 2012 at 20:23
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    $\begingroup$ Optical frequencies - visible and near infrared (say 500-1000 nm wavelengths.) $\endgroup$
    – ptomato
    Apr 20, 2012 at 8:49
  • $\begingroup$ Do you want to measure the susceptibility of free standing foils or they can be mixed with other solvents. $\endgroup$
    – hsinghal
    Jun 19, 2016 at 4:28

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There is Structural, linear and third-order nonlinear optical properties of Cu nanocrystal in sodium borosilicate glass

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    $\begingroup$ Cu nanocrystals embedded in glass, though, wouldn't be able to tell much about the solid metal, right? $\endgroup$
    – ptomato
    Jun 15, 2014 at 0:13

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