Study on the Photophysical and Nonlinear Optical Properties of Carmine Encapsulation Background Introduction Nonlinear optical (NLO) materials have received widespread attention in recent years in fields such as laser technology, medicine, and biomedical imaging. Due to their unique optical properties, such as optical switching, optical limiting, a...

Study on Free-Electron Resonance Transition Radiation via Brewster Randomness Academic Background Free-electron radiation, such as Cherenkov radiation and transition radiation, is a fundamental mechanism of light emission when electrons interact with media. These phenomena have wide-ranging applications in nuclear physics, cosmology, electron micro...