Interaction of an intense laser beam with a material induces many thermal effects. In this
work, thermo-optic effects induced by fundamental Gaussian and Laguerre–Gaussian vortex …

We employ the z-scan method to distinguish thermally induced nonlinearities from others by
varying the beam waist radius and to determine the thermo-optic coefficient of materials …

The study of nonlinear absorption has potential applications as saturable absorption and
optical limiting character in scientific and engineering technology. In this work, we report on …

In this work, we present a theoretical model that describes induced temperature and
refractive index profiles generated by the Laguerre–Gaussian (LG) excitation beam. A …

In this work, we studied the thermally-induced optical nonlinearity of alcohols by analyzing
the far-filed diffraction rings patterns, which are generated when the alcohols are illuminated …

The present work studies the optical nonlinearity exhibited by the material (for Continuous
Wave (CW) laser or long pulse) due to the change in thermal properties of the material on …

In this work, thermo-optical properties of gold nanoparticle colloids are studied using
continuous wave (CW) laser irradiation at 532 nm. The nanoparticle colloids are fabricated …

We present a detailed theoretical investigation of the Gaussian vortex beam z-scan to look
over multi-photon absorption. For a fixed optical pump power, the material shows less …

In this study, we present the results of theoretical calculations concerning heat exchange in
materials subjected to laser irradiation, with particular emphasis on Z-scan experiments …

In this work, based on nonlocal heat effect and Fresnel diffraction theory, the characteristics
of closed Z-scan in materials with a large nonlinear phase shift have been studied and a …