Results 41 to 50 of about 659,213 (221)
Improvement of digital Gabor holographic microscopy using a lens in plankton studies
HeliyonThis work utilizes a Gabor Holographic Optical Scheme integrated with a microscope objective and a thin convex plane lens. This bi-telecentric lens system corrects spherical aberration from the objective, maintains consistent magnification across various
Yaumel C. Arias-Sosa +6 more
doaj +1 more source
Lens Free Holographic Imaging for Urinary Tract Infection Screening
IEEE Transactions on Biomedical Engineering, 2023 Urinary tract infections (UTIs) are a common condition that can lead to serious complications including kidney injury, altered mental status, sepsis, and death. Laboratory tests such as urinalysis and urine culture are the mainstays of UTI diagnosis, whereby a urine specimen is collected and processed to reveal its cellular and chemical composition ...
Gregory N. McKay +7 more
openaire +4 more sources
Advanced Photonics Research, Volume 6, Issue 5, May 2025.Microfabrication using nano‐ to micron‐sized blocks has transformative potential for next‐gen electronics, optoelectronics, and materials. Traditional methods are limited by scalability and precision. STIC, a single‐laser system for precise colloid manipulation and immobilization using femtosecond lasers, is introduced that enables efficient 3D ...
Krishangi Krishna +4 more
wiley +1 more source
, 2017 In this paper a prototype spectrum-splitting photovoltaic system based on volume holographic lenses (VHL) is designed, fabricated and tested. In spectrum-splitting systems, incident sunlight is divided in spectral bands for optimal conversion by a set of
Wu, Yuechen +7 more
core +1 more source
Advanced Robotics Research, EarlyView.We proposed a Mixed Reality Sensorized Laryngoscope Training System to provide real‐time holographic torque feedback during pediatric endotracheal intubation simulation. Visualization formats are evaluated to reduce tracking error and visual demand.
Jiaqi Li +5 more
wiley +1 more source
Energy momentum tensor correlators in Improved Holographic QCD [PDF]
, 2013 Krssak M. Energy momentum tensor correlators in Improved Holographic QCD. Bielefeld: Bielefeld University; 2013.In this thesis, we study the physics of the quark gluon plasma (QGP) using holographic methods borrowed from string theory.
Krssak, Martin ; https://orcid.org/ +1 more
core
Ultra-thin Lens-less Holographic Microscopy Using a Scattering Layer
, 2017 A digital holographic microscopy using a scattering objective is presented. The proposed method measures a complex amplitude of light without a conventional objective lens or an external reference arm. The principle and the performance of the method have
Park, Yong Keun +3 more
core +1 more source
Conformal acoustic holographic lenses for wavefront control via geometry-encoded design
Materials & DesignWe present a conformal acoustic holographic lens as a functional material system that integrates geometric architecture, acoustic response, and fabrication for subject-specific wave manipulation. Transcranial focused ultrasound (tFUS) enables noninvasive
Ceren Cengiz +8 more
doaj +1 more source
Advanced Science, EarlyView.An integrated polarimetry architecture based on a cholesteric liquid crystal waveguide polarization splitter overcomes the volumetric bottleneck in chip‐scale atomic magnetometers. By leveraging Bragg‐selective reflection and total‐internal‐reflection‐induced helicity inversion, this ultrathin device enables efficient circular polarization splitting ...
Zhibo Cui +9 more
wiley +1 more source
Development of a photopolymer holographic lens for collimation of light from a green light-emitting diode [PDF]
, 2018 A holographic optical element (HOE) was developed to collimate a monochromatic light-emitting diode (LED). The fabrication was achieved by the interference of collimated and diverging beams from a 532 nm laser to produce the required photonic structure ...
Keshri, Sanjay +4 more
core +1 more source