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Carbon Nanotube Polycarbonate Composites for Ultrafast Lasers


  • The authors acknowledge funding from the EPSRC, grants GR/S97613/01 and EP/E500935/1, and Advance Nanotech Inc. ACF acknowledges funding from The Royal Society and the Leverhulme Trust. ACF and AGR acknowledge funding from the Isaac Newton Trust and the Cambridge Integrated Knowledge Centre.


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Carbon nanotube polycarbonate composites with controlled nanotube-bundle size are prepared by dispersion with conjugated polymers followed by blending with polycarbonate. The composite has uniform sub-micrometer nanotube bundles in high concentration, shows strong nonlinear optical absorption, and generates 193 fs pulses when used as passive mode-locker in a fiber laser.

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