Results 71 to 80 of about 705,634 (314)

Multi-Illumination Single-Holographic-Exposure Lensless Fresnel (MISHELF) Microscopy: Principles and Biomedical Applications

open access: yesSensors, 2023
Lensless holographic microscopy (LHM) comes out as a promising label-free technique since it supplies high-quality imaging and adaptive magnification in a lens-free, compact and cost-effective way.
José Ángel Picazo-Bueno   +4 more
doaj   +1 more source

Imaging Gold Nanoparticles in Living Cells Environments using Heterodyne Digital Holographic Microscopy

open access: yes, 2009
This paper describes an imaging microscopic technique based on heterodyne digital holography where subwavelength-sized gold colloids can be imaged in cell environment.
Absil   +34 more
core   +1 more source

Programmable Dimensional Lithography with Digital Micromirror Devices for Multifunctional Microarchitectures

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores recent advances in digital micromirror device (DMD)‐based lithography, focusing on its programmable light modulation, multi‐material compatibility, and dimensional patterning strategies. It highlights innovations from optical system design to materials integration and multifunctional applications, positioning DMD lithography as a ...
Yubin Lee   +5 more
wiley   +1 more source

Foveated Retinal Optimization for See-Through Near-Eye Multi-Layer Displays

open access: yesIEEE Access, 2018
In order to implement 3-D displays with focus cues, several technologies, including multi-layer displays, have been introduced and studied. In multi-layer displays, a volumetric 3-D scene is represented by 2-D layer images via optimization process ...
Seungjae Lee   +6 more
doaj   +1 more source

Label-free viability assay using in-line holographic video microscopy

open access: yesScientific Reports, 2022
Total holographic characterization (THC) is presented here as an efficient, automated, label-free method of accurately identifying cell viability. THC is a single-particle characterization technology that determines the size and index of refraction of ...
Rostislav Boltyanskiy   +3 more
doaj   +1 more source

Time-Division Color Holographic Projection in Large Size Using a Digital Micromirror Device

open access: yesApplied Sciences, 2021
Holographic projection is a simple projection as it enlarges or reduces reconstructed images without using a zoom lens. However, one major problem associated with this projection is the deterioration of image quality as the reconstructed image enlarges ...
Takayuki Takahashi   +3 more
doaj   +1 more source

Harnessing Ultrafast Optical Pulses for 3D Microfabrication by Selective Tweezing and Immobilization of Colloidal Particles in an Integrated System

open access: yesAdvanced 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

3D Fourier imaging based on 2D heterodyne detection at THz frequencies

open access: yesAPL Photonics, 2019
Holographic imaging techniques, which exploit the coherence properties of light, enable the reconstruction of the 3D scenery being viewed. While the standard approaches for the recording of holographic images require the superposition of scattered light ...
Hui Yuan   +4 more
doaj   +1 more source

Combination Compensation Method to Improve the Tolerance of Recording Medium Shrinkage in Collinear Holographic Storage

open access: yesPhotonics, 2022
Holographic optical storage has great potential for enormous data storage, although the recording medium can cause dimensional change, which can deteriorate the quality of the reconstructed hologram.
Xianying Qiu   +8 more
doaj   +1 more source

3D-printable portable open-source platform for low-cost lens-less holographic cellular imaging [PDF]

open access: yesScientific Reports, 2019
Digital holographic microscopy is an emerging, potentially low-cost alternative to conventional light microscopy for micro-object imaging on earth, underwater and in space.
Stephan Amann   +2 more
semanticscholar   +1 more source

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