快速位置灵敏Laser束流探测器的研制
Development of a Fast Position-Sensitive Laser Beam Detector
摘要:
我们报告的发展,一个快速的位置敏感的激光束探测器的带宽,超过目前可用的探测器。该检测器使用一个光纤束,空间分裂的入射光束,其次是一个快速平衡的光电检测器。该探测器被应用于研究粒子在快时间尺度上的布朗运动,空间分辨率为1埃。未来的应用包括分子马达、蛋白质折叠以及细胞过程的研究。
英文摘要:
We report the development of a fast position-sensitive laser beam detector with a bandwidth that exceeds currently available detectors. The detector uses a fiber-optic bundle that spatially splits the incident beam, followed by a fast balanced photo-detector. The detector is applied to the study of Brownian motion of particles on fast time scales with 1 Angstrom spatial resolution. Future applications include the study of molecule motors, protein folding, as well as cellular processes.
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