Laser-Induced Fluorescence (LIF) is a measurement method that uses a laser to excite particles to a high-energy quantum state, then detects the fluorescence photons emitted by the particles during their transition. This technique qualitatively or quantitatively determines the properties of the test substance through its fluorescence characteristics.
LIF detection technology can be applied in various fields. In combustion research, LIF can clearly reveal the distribution of OH radicals within flames, enabling precise flow field visualization.