溶液中における粒子の移動度を測定するための方法および装置
- 专利权人:
- 发明人:
- 申请号：
- JP20110021731
- 公开号：
- JP5788186(B2)
- 申请日:
- 2011.02.03
- 申请国别(地区):
- 日本
- 年份:
- 2015
- 代理人:
- 摘要：
A method and apparatus is disclosed for measurement of the Electrophoretic mobility of particles and molecules in solution. A sample of particles is placed in a cell containing two electrodes that apply an alternating electric field. A monochromatic light beam passes through the sample. Light scattered by the particles, along with the unscattered beam, is collected and collimated as it exits the cell. This beam is combined in free space with a phase modulated reference beam. The interference forms a frequency modulated speckle pattern, which is detected by a photodetector array. Each array element collects a narrow range of well-defined scattering angles. The signal from each is demodulated to extract the optical phase information providing a first-principle measurement of the Electrophoretic mobility of the scattering particles. Each detector element provides a simultaneous independent measurement. This inherent parallelism drastically increases the amount of information available in a given time. The res
- 来源网站：
- 中国工程科技知识中心
