A spherical aberration-free microscopy system for live brain imaging.
Sign Up to like & getrecommendations! Published in 2018 at "Biochemical and biophysical research communications"
DOI: 10.1016/j.bbrc.2018.04.049
Abstract: The high-resolution in vivo imaging of mouse brain for quantitative analysis of fine structures, such as dendritic spines, requires objectives with high numerical apertures (NAs) and long working distances (WDs). However, this imaging approach is often… read more here.
Keywords: live brain; spherical aberration; system; microscopy ... See more keywords
Human eye cataract microstructure modeling and its effect on simulated retinal imaging
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2016.10.025
Abstract: Abstract We designed a crystalline microstructure during cataract lesions and calculated the aberration value of the eye by using ray trace modeling to identify the corresponding spherical aberration, coma aberration, and trefoil aberration value under… read more here.
Keywords: aberration; spherical aberration; cataract; eye ... See more keywords
Experimental study on spherical aberration and beam quality factor of LD end-pumped laser
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.125627
Abstract: Abstract A method for judging the locations of dynamic stable zones boundaries and mode separations is presented by spherical aberration “transient variation” Experiments on spherical aberration in dynamic stable zones of an end-pumped laser are… read more here.
Keywords: spherical aberration; beam quality; end pumped; aberration ... See more keywords
Laser multi-focus precision cutting of thick sapphire by spherical aberration rectification
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2019.105876
Abstract: Abstract Laser multi-focus separation technology is an effective way to cut thick, transparent and hard materials. In this paper, factors affecting the quality of multi-focus cutting sapphire were investigated. Optical simulations analysis was performed based… read more here.
Keywords: spherical aberration; multi focus; laser; sapphire ... See more keywords
Depth of focus as a function of spherical aberration using adaptive optics in pseudophakic participants
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Cataract and Refractive Surgery"
DOI: 10.1097/j.jcrs.0000000000001608
Abstract: DoF generally increased when negative spherical aberration was added. However, variability was high. Clinical adaptive optics simulators were an effective tool for testing individual tolerance to spherical aberration. read more here.
Keywords: optics; spherical aberration; focus function; adaptive optics ... See more keywords
Teaching lens design: characteristics and control of oblique spherical aberration
Sign Up to like & getrecommendations! Published in 2024 at "Optical Engineering"
DOI: 10.1117/1.oe.63.7.071402
Abstract: Abstract. We discuss oblique spherical aberration, its balance, and its control. Several ways to mitigate this aberration are listed and some lens design examples are presented. The variation of oblique spherical aberration as a function… read more here.
Keywords: lens design; oblique spherical; aberration; spherical aberration ... See more keywords
Eye patches: Protein assembly of index-gradient squid lenses
Sign Up to like & getrecommendations! Published in 2017 at "Science"
DOI: 10.1126/science.aal2674
Abstract: Squid lenses beat spherical aberration When light rays pass through a curved lens, greater refraction at the edges can distort the resulting image. This problem can be overcome if the refractive index of the lens… read more here.
Keywords: spherical aberration; index; squid lenses; index gradient ... See more keywords
Long-term changes in classified higher-order aberrations after implanting an EVO intraocular collamer lens
Sign Up to like & getrecommendations! Published in 2025 at "BMC Ophthalmology"
DOI: 10.1186/s12886-025-03932-0
Abstract: To evaluate changes in intraocular, corneal, and whole-eye higher-order aberrations (HOAs) after EVO intraocular collamer lens (ICL) implantation. In this retrospective study, we enrolled 53 eyes of 53 patients and measured their refractive parameters and… read more here.
Keywords: spherical aberration; long term; whole eye; years postoperatively ... See more keywords
Impact of frequency-dependent spherical aberration in the focusing of ultrashort pulses.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.394300
Abstract: In this paper, the temporal and spatial intensity pulse distributions are calculated around the focal region of an optical system using a combination of ray tracing and a wave propagation method. We analyze how to… read more here.
Keywords: frequency; intensity; spherical aberration; intensity distributions ... See more keywords
Analysis and design of a microlens array scanning system based on spherical aberration.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.468180
Abstract: The microlens array (MLA) scanning system is a relatively new solution for beam scanning. The excrescent light generated by overlapping divergent beams from adjacent microlenses increases with the scanning angle, and as a result, the… read more here.
Keywords: system; scanning system; design; spherical aberration ... See more keywords
Simple spherical aberration control in the direct laser writing deep under the plane surface of dielectrics.
Sign Up to like & getrecommendations! Published in 2025 at "Applied optics"
DOI: 10.1364/ao.553736
Abstract: The algebraic equation established shows the focusing depths with compensated spherical aberrations under high-aperture focusing through the planar surface in materials with different refractive indices and the same pre-compensation settings of spherical aberration (SA) in… read more here.
Keywords: optics; simple spherical; spherical aberration; surface ... See more keywords