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Statistical properties of speckle patterns produced by a laser diode in dependence of the pump current

Author
Halpaap, D.; Tiana-Alsina, J.; Vilaseca, M.; Masoller, C.
Type of activity
Presentation of work at congresses
Name of edition
VIII Complexitat Day
Date of publication
2019
Presentation's date
2019-05-21
Book of congress proceedings
VIII Jornada de Complexitat = VIII Complexitat Day: book of abstracts: IEC, Barcelona, May 21, 2019
First page
1
Last page
2
URL
http://jornada.complexitat.cat/ Open in new window
Abstract
Speckles are an optical artifact that appears if coherent waves interfering with each other and that is often undesired in imaging. On the other hand, the spatial correlations present in the speckle pattern contain relevant information, which can be used, e.g., to reconstruct the object that generates the speckle [3] or to study ¿ow dynamics of blood [1]. If the light scattering properties of the scattering object are known, speckle patterns can also be exploited for realizing an spectrometer [...
Keywords
Laser diode, Optical speckle pattern, Spatial coherence
Group of research
CD6 - Centre for Sensors, Instruments and Systems Development
DONLL - Nonlinear dynamics, nonlinear optics and lasers
GREO - Optical Engineering Research Group

Participants