The experimental setup.
Temporal evolution of the normalized output diameter during the SWG recording.
Time constant for SWGs writing process using e-pol light at: λ = 405 nm and ΔT = 12 K (a); λ = 532 nm and ΔT = 17 K (b).
Time constant (a) and output FWHM (b) dependence on the temperature change for I ∼ 3 W/cm2 and e-pol of the input beam at λ = 405 nm.
Time constant (a) and output FWHM (b) dependence on the input beam polarization for ΔT ∼ 12 K and I ∼ 3 W/cm2 at λ = 405 nm.
Dependence of the output FWHM on the irradiance at the input face, for the recording process at λ = 405 nm (a), and λ = 532 nm (b).
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