Generating Focused 3D Perfect Vortex Beams By Plasmonic Metasurfaces
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Optical Materials"
DOI: 10.1002/adom.201701228
Abstract: DOI: 10.1002/adom.201701228 from the Fourier transformation of the Bessel–Gauss (BG) beam,[13,14] by utilizing a series of free-space bulky optical components including axicon, spiral phase plate, Fourier transform lens, and spatial light modulator. This fact greatly… read more here.
Keywords: optical components; phase; bulky optical; plasmonic metasurfaces ... See more keywords
Elimination of X-rays irradiated defects in fused silica by laser conditioning
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126639
Abstract: Abstract Fused silica has been widely used as optical components in radiation environment. Some optical components used in these applications are frequently exposed to X-rays and other ionizing radiation, leading to the increase of optical… read more here.
Keywords: optical components; laser; fused silica; rays irradiated ... See more keywords
Evaluation and comparison of different materials for manufacturing of transparent optical components in additive manufacturing
Sign Up to like & getrecommendations! Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.6.067103
Abstract: Abstract. We present the evaluation and comparison of four different polymers (VeroClear, ClearVue, LOCTITE 3820, and WaterShed) to produce macro transparent optical components using additive manufacturing. The refractive indices were measured at increasing temperatures. The… read more here.
Keywords: evaluation comparison; optical components; additive manufacturing; transparent optical ... See more keywords
Defect inspection of optical components based on dark-field polarization imaging and convolutional neural network recognition algorithms
Sign Up to like & getrecommendations! Published in 2023 at "Optical Engineering"
DOI: 10.1117/1.oe.62.4.043101
Abstract: Abstract. Automatic optical inspection technology (AOI) is a visual inspection technology that has developed rapidly in recent years. The high speed and accuracy of AOI can greatly enhance the efficiency of modern industrial production. However,… read more here.
Keywords: inspection; optical components; dark field; field polarization ... See more keywords
Why optics needs thickness
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DOI: 10.1126/science.ade3395
Abstract: This study shows why and when optical systems need thickness as well as width or area. Wave diffraction explains the fundamental need for area or diameter of a lens or aperture to achieve some resolution… read more here.
Keywords: needs thickness; optics needs; optics; optical components ... See more keywords
Rapid Fabrication of Smooth Micro-Optical Components on Glass by Etching-Assisted Femtosecond Laser Modification
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15020678
Abstract: Femtosecond laser (fs-laser) is unfavorable in applications for the fabrication of micro-optical devices on hard materials owing to the problems of low fabrication efficiency and high surface roughness. Herein, a hybrid method combining fs-laser scanning,… read more here.
Keywords: femtosecond laser; laser; fabrication; glass ... See more keywords