Higher sensitivity Digital Gradient Sensing configurations for quantitative visualization of stress gradients in transparent solids
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2018.04.005
Abstract: Abstract Two modified full-field Digital Gradient Sensing (DGS) methods of higher measurement sensitivity relative to the prevailing ones are described for quantifying small angular deflections of light rays caused by stresses in transparent solids. These… read more here.
Keywords: digital gradient; gradient sensing; sensitivity; dgs ... See more keywords
A simplified reflection-mode digital gradient sensing technique for measuring surface slopes, curvatures and topography
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2019.105843
Abstract: Abstract A simplified optical apparatus for reflection-mode Digital Gradient Sensing methodology (r-DGS) to perform full-field measurement of surface slopes is proposed. It eliminates the need for a beam splitter to record random speckles off a… read more here.
Keywords: topography; mode digital; digital gradient; gradient sensing ... See more keywords