超快时间分辨近红外激发拉曼测量功能π-共轭体系

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09:57 分钟

2020年2月10日

10.3791/60437-v

2020年2月10日

6.2K 次观看

* These authors contributed equally

本文描述了飞秒时间分辨近红外受激拉曼光谱仪的信号产生与优化、测量、数据采集及数据处理的详细步骤。以甲苯溶液中β-胡萝卜素激发态动力学的近红外受激拉曼研究作为典型应用实例进行展示。

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Chapters in this video

0:05

Introduction

0:33

Optical Alignment of the Spectrometer

2:00

White Light Continuum Generation and Raman Pump Beam Alignment

2:47

Optimization of Probe Spectrum

3:31

Spatial and Temporal Overlap of Raman Pump and Probe Pulses

4:29

Adjustment of Optical Chopper Rotational Phase and Signal Maximization

5:20

Measurement of Time-Resolved Absorption Spectra

6:54

Measurement of Time-resolved Stimulated Raman Spectra

7:28

Results: Measurements of Functional -conjugate Systems

9:06

Conclusion

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