Figure 4

Nonlinear absorption curves of reference sample (without Nb2C coating) and Nb2C coated microfiber. Inset shows the spectral transmittance of microfiber prior to the Nb2C coating.

Nonlinear absorption curves of reference sample (without Nb2C coating) and Nb2C coated microfiber. Inset shows the spectral transmittance of microfiber prior to the Nb2C coating.