*  OSA | Compensation of the inherent wave front curvature in digital holographic coherent microscopy for quantitative phase...
... is demonstrated by applying digital holography as a method of coherent microscopy for imaging amplitude and phase contrast of ... Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by numerical reconstruction of Fresnel off-axis ... of the inherent wave front curvature in digital holographic coherent microscopy for quantitative phase-contrast imaging Pietro ... of the inherent wave front curvature in digital holographic coherent microscopy for quantitative phase-contrast imaging," Appl ...
  https://www.osapublishing.org/ao/abstract.cfm?uri=ao-42-11-1938&usertoken=%7Btoken%7D
*  High Resolution ExitWave Restoration | SpringerLink
... the complex specimen exit wave from a suitably conditioned data set of high resolution transmission electron microscope images ... Quantitative phase-amplitude microscopy II: differential interference contrast imaging for biological TEM. J Microsc 206(3):204 ... Paganin D, Mayo SC et al (2002) Simultaneous phase and amplitude extraction from a single defocused image of a homogeneous ... Grinton GR, Cowley JM (1971) Phase and amplitude contrast in electron micrographs of biological materials. Optik - Int J Light ...
  https://link.springer.com/chapter/10.1007/978-1-4614-2191-7_3
*  Spiral zone plate imaging for soft x-ray microscopy | (2008) | Sakdinawat | Publications | Spie
... resulting in the imaging of the amplitude and phase gradient in a sample. This is similar to differential interference contrast ... Phase sensitive x-ray microscopy techniques are important in the study of samples that exhibit phase contrast. One way to ... Soft x-ray microscopy using a SZP as a single element objective lens was demonstrated through the imaging of a 1 μm circular ... Spiral zone plate imaging for soft x-ray microscopy Author(s): Anne Sakdinawat; Yanwei Liu ...
  http://spie.org/Publications/Proceedings/Paper/10.1117/12.769892
*  Single particle analysis - Wikipedia
"Restoration of weak phase-contrast images recorded with a high degree of defocus: the "twin image" problem associated with CTF ... Specialized image processing techniques such as phase flipping and amplitude correction/wiener filtering can (at least ... Transmission electron microscopy images are projections of the object showing the distribution of density through the object, ... This contrasts with electron tomography, where the viewing angles are limited due to the geometry of the sample/imaging set up ...
  https://en.wikipedia.org/wiki/Single_particle_analysis
*  Phase Contrast Microscopy
... microscopy utilize an optical mechanism to translate minute variations in phase into corresponding changes in amplitude, which ... can be visualized as differences in image contrast. Most of the detail of living cells is undetectable in bright field ... microscopy because there is too little contrast between structures with similar transparency and there is insufficient natural… ... Phase Contrast Microscopy. Phase contrast microscopy utilize an optical mechanism to translate minute variations in phase into ...
  https://microscopetalk.wordpress.com/microscopes/phase-contrast-microscopy/
*  Microscope - Wikipedia
... phase shifts in the light passing through a transparent specimen are converted into amplitude or contrast changes in the image ... Phase contrast microscopy is an optical microscopy illumination technique in which small ... Fluorescence interference contrast microscopy Laser capture microdissection Microscope image processing Microscope slide ... The use of phase contrast does not require staining to view the slide. This microscope technique made it possible to study the ...
  https://en.wikipedia.org/wiki/Microscope
*  DiVA - Search result
Improving image contrast and material discrimination with nonlinear response in bimodal atomic force microscopy2015In: Nature ... Such excitation schemes result in one additional amplitude and phase images for each driven resonance, and potentially convey ... Atomic force microscopy has recently been extented to bimodal operation, where increased image contrast is achieved through ... The amplitude and phase of up to 17 frequencies are simultaneously measured in a single scan. Using a machine-learning ...
  http://kth.diva-portal.org/smash/resultList.jsf?af=%5B%5D&aq=%5B%5B%7B%22personId%22%3A%22authority-person%3A31132+OR+0000-0001-8534-6577%22%7D%5D%5D&aqe=%5B%5D&aq2=%5B%5B%5D%5D&language=en&query=
*  Levon A. Haroutunyan
Phase Contrast X-ray Imaging by Means of Zone Plate Interferometer , 10-th International Conference on X-ray Microscopy, ... Phase Contrast Imaging by Amplitude-Division Type Fresnel Zone Plate Interferometer , Int. Symp. on Disordered and Ordered ... Phase-contrast imaging based on three-block Fresnel zone plate interferometers using hard X-ray laboratory sources (Փուլային ... Interferometric Phase-Contrast, X-Ray Submicron Focusing, X-Ray Computerized Tomography, Phase Retrieval from Interference ...
  http://www.ysu.am/science/en/Levon-Haroutunyan
*  Phase-contrast microscopy by in-line phase-shifting digital holography: shape measurement of a titanium pattern with nanometer...
b, c) Phase-shifted holograms on the CCD plane without and with the test pattern. (d, e) Amplitude and phase images of the test ... Precision phase-contrast imaging has been achieved with in-line phase-shifting digital holographic microscopy. The complex ... In this letter, very precise phase-contrast imaging using in-line phase-shifting digital holographic microscopy is reported. ... E. Cuche, P. Marquet, and C. Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by ...
  https://www.spiedigitallibrary.org/journals/optical-engineering/volume-46/issue-4/040506/Phase-contrast-microscopy-by-in-line-phase-shifting-digital-holography/10.1117/1.2731317.full
*  Extended focus optical coherence microscopy and fluorescence lifetime imaging
... phase offset between the modulated excitation signal and the returned fluorescence intensity. Both the fluorescence amplitude ... The lifetime measurement provides further contrast to perform functional imaging on biological samples such as the rat hair ... Extended focus optical coherence microscopy and fluorescence lifetime imaging. Conchello, J.A.; Cogswell, C. J.; Wilson, T.; ... Published in: Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XV, vol. 6861, p. 68610N * : ...
  https://infoscience.epfl.ch/record/117776
*  Bibliography of Confocal Microscopes | SpringerLink
... of accessible papers on confocal microscopy. Not included are conference reports and other documents not likely to be available ... Confocal, differential amplitude or phase contrast imaging and surface profilometry with reduced alignment tolerances.CrossRef ... Phase contrast microscopy by nearly full illumination, Optik 70:166-169. A simple phase contrast technique where the two lenses ... Both the differential amplitude and the differential phase images can be obtained by adjusting the differential phase delay ...
  https://link.springer.com/chapter/10.1007/978-1-4757-5348-6_37
*  Phase-contrast microscopy - Wikipedia
"Quantitative phase contrast microscopy". Phase Holographic Imaging AB. Optical Microscopy Primer - Phase Contrast Microscopy by ... When light waves travel through a medium other than vacuum, interaction with the medium causes the wave amplitude and phase to ... Live cell imaging Phase-contrast imaging Phase-contrast X-ray imaging "The phase contrast microscope". Nobel Media AB. Zernike ... "Phase contrast microscopy". Phase Holographic Imaging AB. "Introduction to Phase Contrast Microscopy". Nikon MicroscopyU. " ...
  https://en.wikipedia.org/wiki/Phase-contrast_microscopy
*  Molecular Expressions Microscopy Primer: Anatomy of the Microscope - Introduction to Reflected Light Microscopy
In reflected light microscopy, the specimen is illuminated (usually with a vertical illuminator) from oblique angles by light ... Some of the instruments include a magnification changer for zooming in on the image, contrast filters, and a variety of ... Such specimens are known as amplitude specimens and may not require special contrast methods or treatment to make their details ... Such specimens behave much like the phase specimens so familiar in transmitted light work, and are suited for darkfield and ...
  http://micro.magnet.fsu.edu/primer/anatomy/reflected.html
*  Breast cancer diagnosis using spatial light interference microscopy
Simultaneous amplitude and phase tissue slide scanner for breast histopathology... Proceedings of SPIE (August 07 2017) ... Journal of Electronic Imaging. Journal of Medical Imaging. Journal of Micro/Nanolithography, MEMS, and MOEMS. Journal of ... Sono-contrast spectroscopy for breast cancer detection Proceedings of SPIE (January 08 2008) ... We generated phase maps of unstained breast tissue biopsies using spatial light interference microscopy (SLIM). As a first step ...
  https://www.spiedigitallibrary.org/journals/Journal-of-Biomedical-Optics/volume-20/issue-11/111210/Breast-cancer-diagnosis-using-spatial-light-interference-microscopy/10.1117/1.JBO.20.11.111210.short
*  Registered participants | Workshop on Optics of Nanostructures
In addition to the changes in spectroscopic signal and contrast, near-field optical imaging of nanoobjects is also affected by ... modifying the near-field plasmon patterns both in amplitude and phase. An understanding of the modified plasmon patterns is ... comparing to other techniques of imaging at nanometer scale as scanning electron microscopy and scanning tunneling microscopy, ... One of the key microscopy techniques for nanocharacterization is atomic force microscopy (AFM). The term 'microscope' in the ...
  http://www.fizyka.umk.pl/~w3on/nano/?q=node/10
*  Improve Contrasts in Optical Microscopy
Learn more about the different contrast-enhancing techniques that can be used with an optical microscope. Thus, Brightfield and ... Phase contrast is an excellent method to increase contrast when viewing or imaging living cells in culture, but typically ... employs an optical mechanism to translate minute variations in phase into corresponding changes in amplitude, which can be ... Phase Contrast Phase Contrast. First described by the Dutchman Frits Zernike in 1934, phase contrast earned its discoverer the ...
  https://www.zeiss.com/microscopy/us/solutions/reference/basic-microscopy/enhancing-contrast-in-optical-microscopy.html
*  Nanotechnology Now - Press Release: Asylum Research Introduces Enhanced Petri Dish Holder and Heater for its MFP-3D Atomic...
Phase contrast optical image of an AFM cantilever positioned over a cell (left, inset box) and 3D rendering of the AFM ... amplitude channel (right). The image was acquired in culture medium using AC mode, 80 m scan. ... high voltage piezoresponse force microscopy (PFM), magnetic force microscopy (MFM) with our unique variable field module, ... Imaging Histology in 3-D: New staining method enables Nano-CT imaging of tissue samples February 22nd, 2018 ...
  http://www.nanotech-now.com/news.cgi?story_id=33244
*  Total Internal Reflection Fluorescence (TIRF) Microscopy Illuminator for Improved Imaging of Cell Surface Events - Current...
... contrast imaging technique suitable for observing biological events that occur on or near the cell membrane ... Total internal reflection fluorescence (TIRF) microscopy is a high‐ ... Refractive index measurement in viable cells using quantitative phaseamplitude microscopy and confocal microscopy. Cytometry A ... Total internal reflection fluorescence (TIRF) microscopy is a high‐contrast imaging technique suitable for observing biological ...
  http://www.currentprotocols.com/WileyCDA/CPUnit/refId-cy1229.html?quicktabs_cp=cited
*  DGC Helps Illuminate Mechanisms of Alcohol Dependency | Features | Dec 2017 | BioPhotonics
... colorless specimens has always presented a challenge in optical microscopy. In many applications, it is not desirable or even ... Dodt gradient contrast Most methods for imaging transparent objects rely on phase difference caused by refraction; the phase of ... DGC, also called amplitude image contrast (AIC), uses a diffuser and a condenser with a curved (annulus) mask that spans one ... FeaturesMicroscopyBiophotonicsJohn WingerdSiskiyou Corp.differential interference contrast microscopydodt gradient contrast ...
  https://www.photonics.com/a62621/DGC_Helps_Illuminate_Mechanisms_of_Alcohol
*  OSA | Integration of robust filters and phase unwrapping algorithms for image reconstruction of objects containing height...
E. Cuche, P. Marquet, and C. Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by ... E. Cuche, P. Marquet, and C. Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by ... E. Cuche, P. Marquet, and C. Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by ... E. Cuche, P. Marquet, and C. Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by ...
  https://www.osapublishing.org/vjbo/abstract.cfm?URI=oe-20-10-10896
*  OSA | Super-resolution imaging via spatiotemporal frequency shifting and coherent detection
E. Cuche, P. Marquet, and C. Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by ... E. Cuche, P. Marquet, and C. Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by ... E. Cuche, P. Marquet, and C. Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by ... E. Cuche, P. Marquet, and C. Depeursinge, "Simultaneous amplitude-contrast and quantitative phase-contrast microscopy by ...
  https://www.osapublishing.org/oe/abstract.cfm?uri=oe-19-22-22350
*  JoVE | Peer Reviewed Scientific Video Journal - Methods and Protocols
Basic Protocol, Issue 82, Microscopy, Super-resolution imaging, Multicolor, single molecule, FPALM, Localization microscopy, ... Further improvement is achieved by correcting for the contrast transfer function (CTF) of the electron microscope (amplitude ... The phase retrieval allows to numerically back propagate the field to the aperture plane. Second, the imaging system is shifted ... Sample images are obtained under near native conditions at the expense of low signal and low contrast in the recorded ...
  https://www.jove.com/visualize/abstract/25360586/convolutional-virtual-electric-field-for-image-segmentation-using
*  EN / Bilkent University - PhD Thesis Presentation: "Phase Based Techniques For Image Processing Applications," Serdar Çakır (EE...
A Fourier domain approach for contrast enhancement of microscopy images is developed. The enhancement framework determines the ... In this way, phase variations are translated into amplitude changes which directly contribute to the enhancement process. ... Phase information is utilized to address several issues in image processing applications; namely image quality assessment, ... are enhanced with image phase to form the 2D complex mel-cepstrum features. While integrating the phase information with the ...
  https://w3.bilkent.edu.tr/bilkent/phd-thesis-presentation-phase-based-techniques-for-image-processing-applications-serdar-cakir-ee-ee-314-3pm-december-26-en/
*  Blog on Optical Tweezers: February 2011
It is shown that θ can be measured from the longitudinal cell intensity profiles in the corresponding phase-contrast images. ... The technique allows viewing the cell from different perspectives and can provide a useful tool in fluorescence microscopy for ... The angle of rotation, θ, is determined by the amplitude of the oscillation. ... Changing the relative phase between the two inputs to the chip allowed us experimentally to modify the location of the fringes ...
  http://opticaltweezers.blogspot.com/2011_02_01_archive.html
*  Differential dynamic microscopy - Wikipedia
... phase contrast, polarized microscopes. fluorescence-based DDM: where the image is the result of the incoherent addition of the ... After suitable calibration also information about the Fourier amplitude of the concentration modes can be extracted. The ... Differential dynamic microscopy Differential dynamic microscopy (DDM) is an optical technique that allows performing light ... between two subtracted images gets large, the energy content of the difference image increases correspondingly. A two- ...
  https://en.wikipedia.org/wiki/Differential_dynamic_microscopy