Statistical studies on optical vortices in dynamic speckle fields

Anindya Majumdar; Sean J. Kirkpatrick

doi:10.18287/JBPE18.04.020301

Authors

Anindya Majumdar Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, USA
Sean J. Kirkpatrick Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, USA

DOI:

https://doi.org/10.18287/JBPE18.04.020301

Keywords:

laser speckle, optical vortices, singular optics, light scattering, dynamics

Abstract

New parameters to statistically describe and differentiate between different decorrelation behaviors in dynamic speckle fields are described. These decorrelation behaviors are surrogate descriptors of the dynamics of the underlying processes in object space being observed. The statistical parameters are based on the temporal variations in the location of optical vortices in the speckle fields. The length and number of optical vortex trails, motion of the vortices in the plane of observation and the distance between the mean locations of the positive and negative vortices are investigated. The implementation of the statistical analysis presents new methods to quantify and describe biophysical dynamics.

Author Biographies

Anindya Majumdar, Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, USA

Mr. Anindya Majumdar is a doctoral student in the Department of Biomedical Engineering.
Sean J. Kirkpatrick, Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, USA

Sean J. Kirkpatrick is the Department Chair and Professor of Biomedical Engineering at the Michigan Technological University. He is a Fellow of the SPIE and the AIMBE

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