<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This paper deals with computation of mean speckle size in a speckle pattern generated through a numerical simulation of speckle after reflection of a Gaussian beam off a rough object’s surface. Within this simulation various speckle patterns are obtained by means of change in a parameter of the Gaussian beam. The mean speckle size is computed through two approaches using both the two-dimensional and the one-dimensional normalized autocorrelation function in intensity. Additionally, we propose a distinct optimization of the determination of the mean speckle size by reduction of intensity values representing detected speckle patterns. Results of the determination of the mean speckle size are compared with theoretical predictions</p></abstract>

This paper deals with computation of mean speckle size in a speckle pattern generated through a numerical simulation of speckle after reflection of a Gaussian beam off a rough object’s surface. Within this simulation various speckle patterns are obtained by means of change in a parameter of the Gaussian beam. The mean speckle size is computed through two approaches using both the two-dimensional and the one-dimensional normalized autocorrelation function in intensity. Additionally, we propose a distinct optimization of the determination of the mean speckle size by reduction of intensity values representing detected speckle patterns. Results of the determination of the mean speckle size are compared with theoretical predictions

Methods for Determination of Mean Speckle Size in Simulated Speckle Pattern

Institute of Physics of the Academy of Sciences of the Czech Republic, Joint Laboratory of Optics of Palacky University and Institute of Physics of the Academy of Sciences of the Czech Republic, 17. listopadu, 12, 77141, Olomouc, Czech Republic

Regional Centre of Advanced Technologies and Materials, Joint Laboratory of Optics of Palacky University and Institute of Physics of the Academy of Sciences of the Czech Republic, Faculty of Science, Palacký University, 17. listopadu, 12, 77141, Olomouc, Czech Republic

Measurement Science Review

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

{"article-title":"Methods for Determination of Mean Speckle Size in Simulated Speckle Pattern"}

This paper deals with computation of mean speckle size in a speckle pattern generated through a numerical simulation of speckle after reflection of a Gaussian...

Methods for Determination of Mean Speckle Size in Simulated Speckle Pattern

Published Online: Jun 17, 2014

Page range: 177 - 182

Received: Aug 09, 2013

Accepted: Jun 10, 2014

DOI: https://doi.org/10.2478/msr-2014-0024

Keywords
Simulation, speckle, speckle pattern, mean speckle size, autocorrelation function

© by I. Hamarová

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Methods for Determination of Mean Speckle Size in Simulated Speckle Pattern

Published Online: Jun 17, 2014

Page range: 177 - 182

Received: Aug 09, 2013

Accepted: Jun 10, 2014

DOI: https://doi.org/10.2478/msr-2014-0024

KeywordsSimulation, speckle, speckle pattern, mean speckle size, autocorrelation function

© by I. Hamarová

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords
Simulation, speckle, speckle pattern, mean speckle size, autocorrelation function