Comparison of Correlation between 3D Surface Roughness and Laser Speckle Pattern for Experimental Setup Using He-Ne as Laser Source and Laser Pointer as Laser Source

Comparison of Correlation between 3D Surface Roughness and Laser Speckle Pattern for Experimental Setup Using He-Ne as Laser Source and Laser Pointer as Laser Source

Correlation between 3D surface roughness and characteristic features extracted from laser speckle pattern was done using an inexpensive laser pointer and a digital single lens reflex (DSLR) camera in previous research work. There had been no comparison work done between the experimental setup which...

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Bibliographic Details
Main Authors: Suganandha Bharathi Jayabarathi, Mani Maran Ratnam
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Sensors
Subjects:
surface roughness
speckle pattern
milled surface
non-contact
optical technique
Online Access:https://www.mdpi.com/1424-8220/22/16/6003

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