Results 71 to 80 of about 16,591 (234)

Structured illumination lensless digital holographic microscopy (SI-LDHM)

open access: yesFrontiers in Physics
In this work, we propose a structured-illumination lensless digital holographic microscopy (SI-LDHM). SI-LDHM illuminates a sample with 24 structured illuminations (8 orientations × 3 phase shifts) and records the defocused interferogram formed by two ...
Juanjuan Zheng   +23 more
doaj   +1 more source

Quantitative Phase Imaging Using Deep Learning-Based Holographic Microscope

open access: yesFrontiers in Physics, 2021
Digital holographic microscopy enables the measurement of the quantitative light field information and the visualization of transparent specimens. It can be implemented for complex amplitude imaging and thus for the investigation of biological samples ...
Jianglei Di   +5 more
doaj   +1 more source

Holographic microscopy for the three-dimensional exploration of light scattering from gold nanomarkers in biological media

open access: yes, 2011
The 3D structure of light scattering from dark-field illuminated live 3T3 cells marked with 40 nm gold nanomarkers is explored. For this purpose, we use a high resolution holographic microscope combining the off-axis heterodyne geometry and the phase ...
Abboud, Marie   +4 more
core   +4 more sources

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

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

Development of Digital Holographic Microscopy by reflection for analysis of surface

open access: yesResults in Physics, 2018
A methodology based on the DHM of reflection using a Michelson micro interferometer scheme is used here for dimensional controlling objects and for determining the surface profile of steel samples.
Meylí Valin Fernández   +5 more
doaj   +1 more source

Ultrasound Mediated Cellular Deflection Results in Cellular Depolarization

open access: yesAdvanced Science, 2022
Ultrasound has been used to manipulate cells in both humans and animal models. While intramembrane cavitation and lipid clustering have been suggested as likely mechanisms, they lack experimental evidence. Here, high‐speed digital holographic microscopy (
Aditya Vasan   +7 more
doaj   +1 more source

Noise and aliases in off-axis and phase-shifting holography [PDF]

open access: yes, 2008
We have compared the respective efficiencies of off-axis and phase-shifting holography in terms of noise and aliases removal. The comparison is made by analyzing holograms of an USAF target backlit with laser illumination, recorded with a charge-coupled ...
Ansari   +26 more
core   +2 more sources

Real‐Time In Vivo Cellular‐Level Imaging During Puncture

open access: yesAdvanced Science, EarlyView.
We present an artificial‐intelligence‐empowered integrative‐light‐field microendoscopy (AIM) needle that delivers real‐time in vivo, diffraction‐limited cellular‐level imaging during puncture and visualizes layered microstructures along the needle path. As a microscopic complement to CT/ultrasound, it improves sampling localization and adds preliminary
Huifang Gao   +13 more
wiley   +1 more source

Lensfree computational microscopy tools for cell and tissue imaging at the point-of-care and in low-resource settings. [PDF]

open access: yes, 2012
The recent revolution in digital technologies and information processing methods present important opportunities to transform the way optical imaging is performed, particularly toward improving the throughput of microscopes while at the same time ...
Bishara, Waheb   +6 more
core  

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