Two-photon optical absorption in PbO-SiO[sub 2] glasses

Tanaka, K.; Yamada, N.; Oto, M.
October 2003
Applied Physics Letters;10/13/2003, Vol. 83 Issue 15, p3012
Academic Journal
One- and two-photon absorption spectra in PbO-SiO[sub 2] glasses have been studied comparatively as a function of the PbO content. The two spectra show different composition dependence, which can be accounted for by taking related electronic wave functions and the densities-of-states into account. This interpretation can be extended to understand high optical nonlinearity in heavy-metal oxide glasses. © 2003 American Institute of Physics.


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