Time-resolved measurements of the size and two-dimensional motion of small particles using an image sensor

Yasuhiro Harada

doi:10.1117/12.2299038

1 September 1996 Time-resolved measurements of the size and two-dimensional motion of small particles using an image sensor

Yasuhiro Harada

Author Affiliations +

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 27784C (1996) https://doi.org/10.1117/12.2299038
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

An extended method is described for continuous measurements of the size and two-dimensional (2-D) motion of single spherical particles using an image sensor. It is based on two-fold principles: the formation of a streak image of the particle from light scattered into an off-axis forward direction and the scanning detection of the streak image by a 2-D MOS imager which employs the X-Y addressing format. Unlike conventional video camera methods, all time-resolved information of the particle size and motion can be determined by evaluating the intensity distribution of one frame image with an attainable time resolution of 63.5 μs.

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Yasuhiro Harada "Time-resolved measurements of the size and two-dimensional motion of small particles using an image sensor", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 27784C (1 September 1996); https://doi.org/10.1117/12.2299038

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