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Conferences > QELS > 1997 > QFF > QFF6
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1997),
  • paper QFF6

Giant nonlinearity and reflectivity hysteresis In metallic gallium at melting

S. Dhanjal, I. R. Shatwell, Yu. P. Svirko, and N. I. Zheludev

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Abstract

Cubic optical nonlinearities of metals have recently attracted attention when a sharp increase in the ultrafast nonlinearity of up to 10−8–10−7esu was seen at the melting point of indium.1 Here we report on the first experimental observation of an even bigger nonlinearity in the reflection hysteresis from metallic gallium undergoing phase transitions from the solid to molten stage and back to solid.

© 1997 Optical Society of America

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