3D intraoral scanning system using fixed pattern mask and tunable-focus lens
Sign Up to like & getrecommendations! Published in 2019 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ab3edf
Abstract: We report the fabrication and performance of a three-dimensional (3D) intraoral scanner based on structured illumination microscopy. The scanner uses a tunable-focus lens for depth scanning and a pattern mask for projecting structured light onto… read more here.
Keywords: focus; fixed pattern; focus lens; pattern mask ... See more keywords
Tunable-focus lens for adaptive eyeglasses.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.001221
Abstract: We demonstrate the implementation of a compact tunable-focus liquid lens suitable for adaptive eyeglass application. The lens has an aperture diameter of 32 mm, optical power range of 5.6 diopter, and electrical power consumption less… read more here.
Keywords: focus; adaptive eyeglasses; focus lens; lens adaptive ... See more keywords
Dynamic depth-of-field projection mapping method based on a variable focus lens and visual feedback.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.478416
Abstract: Dynamic projection mapping is an interactive display technology, which is capable with multiplayers with naked eyes for augmented reality. However, the fixed and shallow depth-of-field of the projector optics limits its potential applications. In this… read more here.
Keywords: high speed; speed; focus lens; projection ... See more keywords