Speaker
Description
Understanding and predicting spectral changes in high-power laser amplification is critical for optimizing performance and stability in ultra-intense laser systems. We present a numerical model that simulates spectral evolution by slicing the pulse in the frequency domain, capturing key effects such as red-shifting and gain-narrowing. By incorporating wavelength-dependent saturation fluence and amplification dynamics based on the Frantz-Nodvik equations, our approach provides insight into spectral distortions introduced by nonlinear gain competition and energy redistribution. These simulations enable precise predictions of spectral behavior in high-power laser chains, supporting the development of next-generation ultra-intense laser sources for high-field physics applications.
