Abstract
Nonlinear properties of nonresonant glasses are important in the design of a fast all- optical device. Nonlinear susceptibilities and thermal behavior will influence overall performances, and their effect is summarized by the well-known figure of merit.1 We set up a sampling interferometric technique2 and obtained the absolute value of the non- linear indexes as well as the thermal response for different glasses, including silica and SF59 (Schott). Glasses of the Na2O–TiO2–P2O5 system have been specially selected and measured because with an increasing amount of the hyperpolarizable titanium ion they present a figure of merit up to 2 orders of magnitude higher than the others.
© 1994 Optical Society of America
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