Laser-induced time-resolved solid-surface fluorescence spectra system
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摘要: 采用斜射式激发样品光路结构，设计了应用于测试时间分辨固体表面荧光光谱系统。利用该系统研究了氧化锌薄膜在355 nm激光脉冲激发下的时间分辨固体表面荧光光谱。结果表明，该系统能够实现测量时间分辨固体表面荧光光谱，并由此测量了样品的固体表面荧光寿命。该系统结构简单可靠，灵敏度高，响应速度快。Abstract: A system has been designed with the oblique incidence optical structure to measure the time-resolved solid-surface fluorescence spectra. The system was applied to measure the time-resolved solid-surface fluorescence spectra of ZnO films excited by 355 nm nanosecond laser pulses. The results show that the system can measure the time-resolved spectra of solid-surface fluorescence, from which the fluorescence lifetime can be obtained. The system is reliable with simple optical structure, high sensitivity, and high-speed response.
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