FIG 3 (IMAGE) Compuscript Ltd Caption Figure 3(a) Measured nonlinear absorption coefficient β and (b) nonlinear refractive index n2 of pristine h-BN thin films. (c) Measured nonlinear absorption coefficient β and (d) nonlinear refractive index n2 of laser-oxidized h-BN thin film. Credit OEA Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.