本文介绍了一种构建快速布里渊光谱仪的方案。通过级联虚拟成像相位阵列(VIPA)标准具,可实现比传统扫描法布里-珀罗光谱仪快1000多倍的测量速度。这一改进使得在低激光功率下对组织和生物材料进行活体(in vivo)布里渊分析成为可能。
Chapters in this video
0:05
Title
0:49
Setup of Fiber and the Electron Multiplied Charge Coupled Device (EMCCD) Camera
1:49
The Horizontal Stage of the Spectrometer
6:19
The Vertical Stage of the Spectrometer
8:36
Combination of the Two Stages
10:12
Measuring the Brillouin Shift
11:46
Results: Brillouin Spectra of Methanol, Ethanol, and Polystyrene
12:48
Conclusion
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