Numerical study on trapping and guiding of nanoparticles in a flow using scattering field of laser light
Sign Up to like & getrecommendations! Published in 2018 at "Optical Review"
DOI: 10.1007/s10043-017-0403-2
Abstract: Optical trapping and guiding using laser have been proven to be useful for non-contact and non-invasive manipulation of small objects such as biological cells, organelles within cells, and dielectric particles. We have numerically investigated so… read more here.
Keywords: trapping guiding; laser; numerical study; speckle pattern ... See more keywords
A Bio-Inspired Frequency-Based Approach for Tailorable and Scalable Speckle Pattern Generation
Sign Up to like & getrecommendations! Published in 2020 at "Experimental Mechanics"
DOI: 10.1007/s11340-020-00631-3
Abstract: Digital Image Correlation (DIC) is a length scale independent surface pattern matching and tracking algorithm capable of providing full field deformation measurements. The confident registration of this pattern within the imaging system becomes key to… read more here.
Keywords: pattern; frequency; speckle pattern; bio inspired ... See more keywords
An effective compressive computational ghost imaging with hybrid speckle pattern
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.124470
Abstract: Abstract As an important factor to determine the quality of imaging, the sizes of the speckle pixel have gained increasing attention in ghost imaging. This paper proposes a new compressive computational ghost imaging which using hybrid speckle pattern to retrieve the… read more here.
Keywords: pattern; ghost imaging; speckle pattern; hybrid speckle ... See more keywords
Laser-light speckle formation for deflection-shape identification using digital image correlation
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2021.107899
Abstract: Abstract The application of a speckle pattern to the surface of a structure is usually required for Digital Image Correlation (DIC)-based displacement identification. A speckle pattern generally requires the modification (e.g., painting) of the structure’s… read more here.
Keywords: surface; laser light; digital image; laser ... See more keywords
Characterization of surface roughness by speckle pattern—an experimental approach
Sign Up to like & getrecommendations! Published in 2021 at "Physics Education"
DOI: 10.1088/1361-6552/abd2cc
Abstract: Although it originates from the ancient Greeks, optics still arouses a lot of scientific interest, mainly due to the technological innovation associated with it. One of its most interesting applications is related to optical metrology… read more here.
Keywords: surface roughness; speckle pattern; physics; characterization surface ... See more keywords
Effect of Phase Relations on Speckle Pattern: Simulation and Measurement
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2919240
Abstract: Speckle is an important phenomenon in various applications. It can be quantified by speckle contrast. However, at present, the influence of the phase relations among the various wavelengths on speckle contrast is rarely analyzed theoretically.… read more here.
Keywords: method; speckle contrast; speckle pattern; phase ... See more keywords
Structural Health Monitoring Suitable for Airborne Components Using the Speckle Pattern in Plastic Optical Fibers
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2017.2715258
Abstract: Structural health monitoring (SHM) is a key factor for the correct operation in large dimension structures. In this paper, we propose and demonstrate the application of a distributed optical sensor, suitable for SHM, based on… read more here.
Keywords: health monitoring; speckle pattern; structural health; optical fibers ... See more keywords
Photothermal Radar Shearography: A Novel Transient-Based Speckle Pattern Interferometry for Depth-Tomographic Inspection
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2021.3124576
Abstract: As an increasingly recognized optical interferometric technique for nondestructive testing and evaluation, shearography has attracted extensive interest in various industrial applications. However, it suffers from the ignorance of the whole process of dynamic surface deformation… read more here.
Keywords: depth; dynamic surface; photothermal radar; speckle pattern ... See more keywords
Sound recovery via intensity variations of speckle pattern pixels selected with variance-based method
Sign Up to like & getrecommendations! Published in 2018 at "Optical Engineering"
DOI: 10.1117/1.oe.57.2.026117
Abstract: Abstract. In general, the sound waves can cause the vibration of the objects that are encountered in the traveling path. If we make a laser beam illuminate the rough surface of an object, it will… read more here.
Keywords: speckle pattern; method; speckle patterns; based method ... See more keywords
Semantic speckle: an auto-located speckle pattern for DIC measurement.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.465070
Abstract: Digital image correlation (DIC) has been widely used in both experimental mechanics and engineering fields. The matching algorithm of the DIC method usually requires surfaces containing a random speckle pattern as a deformation information carrier.… read more here.
Keywords: speckle auto; auto located; speckle pattern; speckle ... See more keywords
Objective speckle pattern-based surface roughness measurement using matrix factorization.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.473076
Abstract: A method for the measurement of profile parameters of both isotropic and anisotropic surfaces is presented using the objective laser speckle imaging technique. The surface parameters are characterized in terms of a singular value decomposition… read more here.
Keywords: surface roughness; surface; speckle pattern; method ... See more keywords