Background:
Nonlinear optical properties of Graphene and Graphene Oxide have been
widely used in industry and academia. Graphene oxide disperses easily in water and has easier interaction
with other materials because of the presence of oxygen groups. So, this feature of Graphene oxide
enables us to manipulate its nonlinear optical properties by combining it with other nanoparticles.
Objective:
We introduced recent advances in the nonlinear optical properties of materials based on
Graphene oxide.
Methods:
Nonlinear optical properties and optical limiting of Graphene oxide and/or its composites
with various nanoparticles, considering the wavelength and the incident pulse width, are investigated
in this review.
Conclusion:
At low intensities and in all pulse regimes, saturation absorption seems to be the dominant
mechanism of nonlinear absorption in Graphene oxide, while at higher intensities, the main
mechanism is the reverse saturation absorption. In the regime of very short pulses of picoseconds and
femtoseconds, the dominant mechanisms of two-photon and multiphoton absorption lead to reverse
saturation. In the nanosecond pulse regime, long laser pulses and short pulses with high pulse repetition
rates, excited-state absorption and nonlinear scattering due to thermal effects are causing the nonlinear
process.
Nonlinear Optical Properties of Materials