Anisotropy of refractive-index nonlinear change in Cr4+: YAG at cw resonant excitation: modeling
JOSA B, Vol. 20, Issue 12, pp. 2454-2469 (2003)
http://dx.doi.org/10.1364/JOSAB.20.002454
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Abstract
A model is developed for numerically calculating the nonlinear change of the refractive index in a Cr4+:YAG crystal under the powerful resonant (wavelength 1.06 μm) continuous-wave excitation. The anisotropy features of the Cr4+ centers’ population perturbation (bleaching) and the sample inhomogeneous heating (leading to the thermolensing effect) as the basic contributions in the refractive-index nonlinear change are addressed for the first time to our knowledge.
© 2003 Optical Society of America
OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(190.5330) Nonlinear optics : Photorefractive optics
(190.5940) Nonlinear optics : Self-action effects
Citation
Alexander V. Kir’yanov and Juan Carlos Bermudez G., "Anisotropy of refractive-index nonlinear change in Cr4+: YAG at cw resonant excitation: modeling," J. Opt. Soc. Am. B 20, 2454-2469 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-12-2454
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