时间分辨振动光谱法测量碘分子E $^3Π_g(v=3)$态的寿命
Time-Resolved Vibrational Spectroscopy to Measure Lifetime of the E$^3Π_g(v=3)$ state of Molecular Iodine
摘要：
在室温下，在气相中测量分子碘的$E^3Π_g(v=3)$态的寿命。$E^3Π_g$态通过两个连续的纳秒脉冲激光激发选择性地填充。分析了$B^3Π_u^+\leftarrow E^3Π_g$的分辨分子荧光，并且使用时间相关单光子计数技术测量的$E(v=3)$状态的寿命为$τ=21 (2)$ ns。
英文摘要：
The lifetime of the $E^3Π_g(v=3)$ state of molecular iodine was measured in the gas phase at room temperature. The $E^3Π_g$ state was selectively populated by two sequential nanosecond pulse laser excitation. Resolved molecular fluorescence for the $B^3Π_u^+\leftarrow E^3Π_g$ was analyzed and the lifetime of the $E(v=3)$ state, measured using a time-correlated single photon counting technique, is to be $τ=21 (2)$ ns.
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