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Conferences > OTFA > 1993 > ThB > ThB.6

The Sign and Magnitudes of the Off-Resonant Nonlinearities of Polydiacetylene Crystal Measured By Z-Scan

M. Thakur and R. Quintero-Torres

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Abstract

We have used the z-scan technique to determine the sign and magnitude of the off-resonant n2 and two photon absorption coefficient of PTS-polydiacetylene. The sign of n2 is negative and the magnitudes of nonlinearities are consistent with our previous reports on waveguide measurements.

© 1993 Optical Society of America

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