Dispersion of nonlinear refraction and two-photon absorption using a white-light continuum Z-scan
Optics Express, Vol. 13, Issue 10, pp. 3594-3599 (2005)
http://dx.doi.org/10.1364/OPEX.13.003594
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Abstract
We use a white-light continuum (WLC) Z-scan technique to measure the degenerate two-photon absorption spectrum and associated dispersion of the nonlinear refraction in ZnSe. The spectral components of the WLC source are separated by using a narrow band variable filter to minimize nondegenerate nonlinearities. We observe a change in sign of the ultrafast nonlinear refractive index around 0.7 of the bandgap energy as predicted by theory.
© 2005 Optical Society of America
OCIS Codes
(190.4400) Nonlinear optics : Nonlinear optics, materials
(300.6420) Spectroscopy : Spectroscopy, nonlinear
ToC Category:
Research Papers
History
Original Manuscript: March 24, 2005
Revised Manuscript: April 27, 2005
Published: May 16, 2005
Citation
Mihaela Balu, Joel Hales, David Hagan, and Eric Van Stryland, "Dispersion of nonlinear refraction and two-photon absorption using a white-light continuum Z-scan," Opt. Express 13, 3594-3599 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-10-3594
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References
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