Conjugação de fase por degenerada de quatro ondas em rubi e GdAlO3:Cr+3 / Phase conjugation by degenerate four-wave mixing in ruby and GdAlO3:Cr+3

AUTOR(ES)
DATA DE PUBLICAÇÃO

1984

RESUMO

We have studied the effect of Phase Conjugation by Degenerate Four Wave Mixing in Al2O3:Cr+3 (Rubi) and GdAlO3:Cr+3 with an Ar (λ=5145 Å). We obtained efficiency ?approximately? 4 times greater in GdAlO3:Cr+3 (where this work is original) than in Rubi and this have motivated us to investigate the physical properties that are important to explain this phenomenon in these materials (what wasnt well understood in the previous paper on Rubi(10)). We developed an interferometric method very sensitive to measure the nonlinear coeficient of refractive index n2 of these materials (what wasnt known). With these values of n2 we calculated the efficiency of the Phase Conjugation in good agreement with the experience.

ASSUNTO(S)

phase conjugating by degenerate four-wave mixing conjugação de fase rubi (al2o3:cr+3) mistura degenerada de quatro ondas Índice de refração não linear ruby (al2o3:cr+3) non linear refractve index

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