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Revista mexicana de física
versão impressa ISSN 0035-001X
Resumo
HACYAN, S.. Paraxial theory of sum-frequency generation by sideways alignment and phase-matching in uniaxial crystals. Rev. mex. fis. [online]. 2012, vol.58, n.3, pp.265-269. ISSN 0035-001X.
A formalism in terms of Hertz potentials is presented describing sum-frequency generation in a uniaxial non-linear crystal. A scheme is proposed consisting in aligning the sideways propagation of extraordinary waves in combination with phase-matching. Simplified paraxial equations describing this situation are obtained. Particular attention is paid to the generation of second harmonics.
Palavras-chave : Nonlinear optics; birefringence; sum-frequency generation.