Results 31 to 40 of about 857,162 (283)
White-light quantitative phase imaging unit
Optics Express, 2016 We introduce the white light quantitative phase imaging unit (WQPIU) as a practical realization of quantitative phase imaging (QPI) on standard microscope platforms. The WQPIU is a compact stand-alone unit which measures sample induced phase delay under white-light illumination.
Baek, YoonSeok +4 more
openaire +4 more sources
Harmonic phase-dispersion microscope with a Mach-Zehnder interferometer [PDF]
, 2005 Harmonic phase-dispersion microscopy (PDM) is a new imaging technique in which contrast is provided by differences in refractive index at two harmonically related wavelengths. We report a new configuration of the harmonic phase-dispersion microscope in a
Ahn, Andrew +7 more
core +1 more source
Results in Physics, 2021 We propose a simple common-path off-axis interferometric system to perform high-quality quantitative phase imaging based on a rotatable birefringent prism that is placed at the output port of a conventional transmission or reflection microscope.
Hsiao-Ning Weng, Chu-Yu Huang
doaj +1 more source
Active single-pixel microscopy for quantitative phase imaging [PDF]
EPJ Web of ConferencesIn this work, a motionless method to achieve quantitative phase imaging in single-pixel microscopy based on the transport of intensity equation is presented.
Zapata-Valencia Samuel I. +3 more
doaj +1 more source
Nanoscale Magnetic Imaging using Circularly Polarized High-Harmonic Radiation [PDF]
, 2017 This work demonstrates nanoscale magnetic imaging using bright circularly polarized high-harmonic radiation. We utilize the magneto-optical contrast of worm-like magnetic domains in a Co/Pd multilayer structure, obtaining quantitative amplitude and phase
Albrecht, Manfred +12 more
core +2 more sources
Spectral-domain optical coherence phase and multiphoton microscopy [PDF]
, 2007 We describe simultaneous quantitative phase contrast and multiphoton fluorescence imaging by combined spectral-domain optical coherence phase and multiphoton microscopy. The instrument employs two light sources for efficient optical coherence microscopic
Barty +18 more
core +2 more sources
Interferometric time-stretch microscopy for ultrafast quantitative cellular and tissue imaging at 1 μm [PDF]
, 2014 Quantitative phase imaging (QPI) has been proven to be a powerful tool for label-free characterization of biological specimens. However, the imaging speed, largely limited by the image sensor technology, impedes its utility in applications where high ...
CHAN, ACS +9 more
core +1 more source
Accurate quantitative phase imaging using generalized phase contrast
Optics Express, 2008 The generalized phase contrast (GPC) method is explored for improving the accuracy in quantitative reconstruction of two-dimensional phase distribution from images of semi-transparent objects viewed with a common-path interferometer (CPI). We propose a novel optical scheme for highly accurate determination of the object-dependent complex synthetic ...
Peter John, Rodrigo +2 more
openaire +2 more sources
High-resolution impedance mapping using electrically activated quantitative phase imaging
Light: Science & Applications, 2021 Microscopy: phased-in approach puts nanoscale electrical impedance on the map A microscope capable of real-time, label-free analysis of nanoscale structures and their associated electrical properties could find applications in both biology and materials ...
Cristina Polonschii +8 more
doaj +1 more source
A 4-D dataset for validation of crystal growth in a complex three-phase material, ice cream [PDF]
, 2015 Four dimensional (4D, or 3D plus time) X-ray tomographic imaging of phase changes in materials is quickly becoming an accepted tool for quantifying the development of microstructures to both inform and validate models.
Clarke C +12 more
core +1 more source