Results 71 to 80 of about 9,024 (217)

Precise 3D Tracking of Highly Non‐Planar Eukaryotic Flagellar Beating Patterns Using Digital Holographic Microscopy

open access: yesSmall Methods, Volume 10, Issue 12, 23 June 2026.
The 3D beating dynamics of eukaryotic flagella drive motility, sensory functions, and resource acquisition, yet highly non‐planar beating patterns remain poorly characterized. Based on Digital Holographic Microscopy, holoV3C enables label‐free 3D reconstruction of such complex dynamics with 53 nm axial resolution, demonstrated on mouse sperm and ...
Patryk Nienaltowski   +7 more
wiley   +1 more source

Multiwavelength Digital Holography for Metrology: Low-Coherent Noise Sensor Configuration and Its Application [PDF]

open access: yesEPJ Web of Conferences
The demand for 100% inspection is increasing due to rising quality requirements in manufacturing. Multiwavelength Digital Holography (MDH) has emerged as a promising sensing technology capable of achieving both high throughput and high resolution ...
Matsuura Shimpei   +3 more
doaj   +1 more source

High‐Accuracy Thin‐Film Stress Sensor Exploiting Integrated Digital Image Correlation

open access: yesStrain, Volume 62, Issue 3, June 2026.
A high‐accuracy Speckle Stress Sensor (SSS) is introduced for real‐time thin‐film stress measurements, combining integrated digital image correlation (IDIC) with dense overlapping spot patterns generated by a simple LED‐perforated plate setup. Unlike conventional multi‐beam optical stress sensors relying on detection of the centers of isolated laser ...
R. F. M. Martens   +3 more
wiley   +1 more source

The reconstruction of digital holograms on a computational grid

open access: yes, 2006
Digital holography is greatly extending the range ofholography's applications and moving it from the lab into the field: a single CCD or other solid-state sensor can capture any number of holograms while numerical reconstruction within a computer ...
Nebrensky, JJ   +3 more
core   +1 more source

Terahertz Metasurface for Spatial Detection of Full Stokes Parameters and Polarization Imaging

open access: yesNanophotonics, Volume 15, Issue 9, 13 May 2026.
This work presents a THz polarization analyzer with significantly improved robustness against nonuniformity. By integrating four polarization‐sensitive meta‐atoms into a meta‐cell, the metalens splits incident light into six polarization components and generates off‐axis focal spots.
Shengnan Guan   +5 more
wiley   +1 more source

Holography and photopolymer recording materials

open access: yes, 2010
Paper presented at Fundamental Advances in Holography II (DMB), Digital Holography and Three-Dimensional Imaging (DH) conference, Miami, Florida, April 11, 2010Photopolymers act as drivers and enabler of fabrication technologies for applications ...
John T. Sheridan, Sheridan, John T.
core   +1 more source

Depth enhancement of optical scanning holography with a spiral phase plate [PDF]

open access: yes, 2015
A spiral phase plate is applied to the optical scanning holography system to improve the depth resolution of the reconstruction, the simulation results show that the depth interval can be resolved at a 0.4 mm with only a single hologram.
Antony Chan   +9 more
core   +1 more source

Simulating Holograms from 3D CAD Models via Inverse Hologram Reconstruction for Multiwavelength Holography

open access: yes, 2023
We propose a novel method to simulate digital holograms for multiwavelength holography using height maps generated from arbitrary 3D CAD models.
Riedmüller, Kim Rouven   +7 more
core   +1 more source

High-fidelity full-color self-interference incoherent digital holography via quarter-wave geometric phase optics

open access: yesOpto-Electronic Advances
We present a compact self-interference incoherent digital holography (SIDH) system that incorporates a quarter-waveplate (QWP)-based geometric phase (GP) lens to achieve high-fidelity, full-color holographic imaging under broadband incoherent ...
Jae-Won Lee   +6 more
doaj   +1 more source

Terahertz Encryption With a Polarization‐Sensitive Metasurface

open access: yesNanophotonics, Volume 15, Issue 9, 13 May 2026.
We propose a dual‐functional terahertz encryption metasurface that enables independent information retrieval in both the near field and the far field within a single device. In the near field, polarization‐selective amplitude modulation reveals textual patterns, whereas in the far field, phase engineering encodes multiple digital data in focal‐spot ...
Yixuan He   +4 more
wiley   +1 more source

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