Results 61 to 70 of about 16,139 (251)
Automated Fourier space region-recognition filtering for off-axis digital holographic microscopy [PDF]
, 2016 Automated label-free quantitative imaging of biological samples can greatly benefit high throughput diseases diagnosis. Digital holographic microscopy (DHM) is a powerful quantitative label-free imaging tool that retrieves structural details of cellular ...
He, Xuefei +9 more
core +1 more source
Designing Physical Unclonable Functions From Optically Active Materials
Advanced Materials, EarlyView.Assigning unforgeable “fingerprints” to manufactured goods is a key strategy to fight global counterfeiting. Optical physical unclonable functions (PUFs) are chemically generated random patterns of optically active materials serving as unique authenticators.
Maxime Klausen +2 more
wiley +1 more source
Efficient Phase Unwrapping Architecture for Digital Holographic Microscopy
Sensors, 2011 This paper presents a novel phase unwrapping architecture for accelerating the computational speed of digital holographic microscopy (DHM). A fast Fourier transform (FFT) based phase unwrapping algorithm providing a minimum squared error solution is ...
Wen-Jyi Hwang +2 more
doaj +1 more source
, 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 +1 more source
Digital phase conjugation of second harmonic radiation emitted by nanoparticles in turbid media [PDF]
, 2010 We demonstrate focusing coherent light on a nanoparticle through turbid media based on digital optical phase conjugation of second harmonic generation (SHG) field from the nanoparticle.
Grange, Rachel +3 more
core +2 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
Field-portable pixel super-resolution colour microscope. [PDF]
, 2013 Based on partially-coherent digital in-line holography, we report a field-portable microscope that can render lensfree colour images over a wide field-of-view of e.g., >20 mm(2).
Akbari, Najva +4 more
core +2 more sources
Incoherent Digital Holography Empowered by Wavefront and Information Engineering: A Review
Advanced Photonics Research, EarlyView.Advancements in incoherent digital holography (IDH) have been achieved via wavefront engineering (using spatial light modulators, diffractive optics, and metasurfaces) and information engineering (using compressive sensing and deep learning). This paper presents an overview of IDH with wavefront and information engineering, paving the way toward its ...
Teruyoshi Nobukawa
wiley +1 more source
Structured illumination lensless digital holographic microscopy (SI-LDHM)
Frontiers in PhysicsIn 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
Holographic tracking and sizing of optically trapped microprobes in diamond anvil cells [PDF]
, 2016 We demonstrate that Digital Holographic Microscopy can be used for accurate 3D tracking and sizing of a colloidal probe trapped in a diamond anvil cell (DAC).
Bianchi, S. +5 more
core +1 more source