Spectroscopy diagnosis technique is good at high resolutions in both time and space.With the development of laser and image device, CARS and LIF technique become the hot subject in investigation.

• 光谱诊断测温法具有较高的时间和空间分辨率，随着激光器和成像器件的快速发展，相干反斯托克斯喇曼散射光谱法和激光诱导荧光技术成为研究的热点；