Development of a ground penetrating radar system for large-depth disaster detection in coal mine
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2018.07.006
Abstract: Abstract With the increasing coal mining efficiency, the geological disaster sources in the mine serious threat production safety, Ground Penetrating Radar (GPR) is widely used for detecting those hidden disaster sources attributed to the advantage… read more here.
Keywords: detection; system; distance; large depth ... See more keywords
Large-depth-of-field optical-resolution colorectal photoacoustic endoscope
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Letters"
DOI: 10.1063/1.5093789
Abstract: Defocus scanning, which causes a serious deterioration of the transverse resolution out of the focal zone, is a big obstacle to the application of optical-resolution photoacoustic (PA) endoscopy (OR-PAE) in imaging internal hollow organs. However,… read more here.
Keywords: resolution; field optical; depth field; large depth ... See more keywords
Absolute Phase Unwrapping for Objects With Large Depth Range
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3271764
Abstract: This article presents a method for unwrapping the phase using only the geometric constraints and photometric information of the structured light system, which can cope with objects in a large depth range without the need… read more here.
Keywords: large depth; depth range; objects large; absolute phase ... See more keywords
End-to-end computational optics with a singlet lens for large depth-of-field imaging.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.433067
Abstract: Large depth-of-field (DOF) imaging with a high resolution is useful for applications ranging from robot vision to bio-imaging. However, it is challenging to construct an optical system with both a high resolution and large DOF.… read more here.
Keywords: depth field; dof imaging; optics; large depth ... See more keywords
Fabricating low loss waveguides over a large depth in glass by temperature gradient assisted femtosecond laser writing.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.396861
Abstract: We propose a strategy of temperature gradient assisted femtosecond laser writing for elaboration of low loss waveguides (WGs) over a large depth in glass. The matter flow driven by the temperature distribution is responsible for… read more here.
Keywords: low loss; temperature gradient; large depth; loss ... See more keywords
Three-dimensional tracking of multiple particles in large depth of field using dual-objective bifocal plane imaging
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Optics Letters"
DOI: 10.3788/col202018.071701
Abstract: Tracking moving particles in cells by single particle tracking is an important optical approach widely used in biological research. In order to track multiple particles within a whole cell simultaneously, a parallel tracking approach with… read more here.
Keywords: depth field; objective bifocal; large depth; dual objective ... See more keywords