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Molecular structure of poly(-pinene).
Quantum dots in poly(-pinene) created upon doping with iodine and consequent charge transfer from the double bond to the dopant. The encircled regions represent the quantum dots with a subnanometer dimension.
Optical absorption spectra of poly(-pinene) for different of molar concentrations of dopant. Lightly doped , medium doped , and heavily doped .
Open-aperture -scan data of organic of doped poly(-pinene) at 750, 810, and . The measurement has been made using pulses from a Ti:sapphire laser.
Two-photon absorption coefficient in doped poly(-pinene) as a function of wavelength. Two peaks at and have been observed.
Saturation of absorption in doped poly(-pinene) measured at different wavelengths. The saturation decreases at longer wavelengths since linear absorption decreases at longer wavelengths (the solid line is a guide to the eye).
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