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Phase Contrast
Phase Contrast

TO THE POSSIBILITY OF CALCULATION
TO THE POSSIBILITY OF CALCULATION

Repetition Rate Multiplication Using All
Repetition Rate Multiplication Using All

Chapter 9. Computer vision
Chapter 9. Computer vision

High-speed spectral-domain optical coherence tomography at 1.3
High-speed spectral-domain optical coherence tomography at 1.3

... tomography (SD-OCT) system capable of acquiring individual axial scans in 24.4 µs at a rate of 19,000 axial scans per second, using an InGaAs line scan camera and broadband light source centered at 1.31 µm. Sensitivity of >105 dB over a 2-mm depth range was obtained with a free-space axial resolutio ...
Chapter 3: Telescopes
Chapter 3: Telescopes

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Quadriwave lateral shearing interferometry
Quadriwave lateral shearing interferometry

Optical Sources
Optical Sources

OPTICAL FIBER WAVEGUIDE
OPTICAL FIBER WAVEGUIDE

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LM Ch 8: Bright Field

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Space-Time-Wavelength Mapping Based

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Resolution and Sampling Considerations

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Phase microscopy and tomography

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No Slide Title

Variable Incidence Angle Fluorescence Interference Contrast
Variable Incidence Angle Fluorescence Interference Contrast

... diffraction limit (2). A few methods, most notably stimulated emission depletion microscopy (3), provide subhundred nanometer z-resolution by directly imaging a narrowed pointspread function. Although somewhat more limited in their applicability, surface-generated structured illumination techniques ...
FIB – an easy tool for fabrication of high quality plasmonic structures
FIB – an easy tool for fabrication of high quality plasmonic structures

... detected from top using SNOM in the collection mode. Fig. 1a) shows the topography of the prepared structures and in Fig. 1b) the theoretical near field distribution is presented. ...
Comparison of laser scanning methods
Comparison of laser scanning methods

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P1X

Astyanax altiparanae - Sistema de Eventos
Astyanax altiparanae - Sistema de Eventos

optical cavity
optical cavity

... 7. Optical cavity( optical resonator) An optical cavity or optical resonator is an arrangement of mirrors that forms a standing wave cavity resonator for light waves. Optical cavities are a major component of lasers, surrounding the gain medium and providing feedback of the laser light 7.1 Resonator ...
Document
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... correlations, plane waves are expected to manifest broad spatial correlations. Regardless of how much we shift a monochromatic field in time or a plane wave in space, they remain perfectly correlated with their unshifted replicas. It is difficult to picture temporal correlations decaying over timesc ...
PROGRAM NAUCZANIA
PROGRAM NAUCZANIA

... The modes of verification of assumed learning effects depend on type and length of the course. Before laboratories the knowledge of PhD student regarding the subject is checked. After the laboratory he/she should present a report in which the skills of obtained results analysis, as well as conclusio ...
Chapter 4 Optical Source
Chapter 4 Optical Source

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Super-resolution microscopy

Super-resolution microscopy is a form of light microscopy. Due to the diffraction of light, the resolution of conventional light microscopy is limited as stated by Ernst Abbe in 1873. A good approximation of the resolution attainable is the full width at half maximum (FWHM) of the point spread function, and a precise widefield microscope with high numerical aperture and visible light usually reaches a resolution of ~250 nm.Super-resolution techniques allow the capture of images with a higher resolution than the diffraction limit. They fall into two broad categories, ""true"" super-resolution techniques, which capture information contained in evanescent waves, and ""functional"" super-resolution techniques, which use clever experimental techniques and known limitations on the matter being imaged to reconstruct a super-resolution image.True subwavelength imaging techniques include those that utilize the Pendry Superlens and near field scanning optical microscopy, the 4Pi Microscope and structured illumination microscopy technologies like SIM and SMI. However, the majority of techniques of importance in biological imaging fall into the functional category.There are two major groups of methods for functional super-resolution microscopy: Deterministic super-resolution: The most commonly used emitters in biological microscopy, fluorophores, show a nonlinear response to excitation, and this nonlinear response can be exploited to enhance resolution. These methods include STED, GSD, RESOLFT and SSIM. Stochastic super-resolution: The chemical complexity of many molecular light sources gives them a complex temporal behaviour, which can be used to make several close-by fluorophores emit light at separate times and thereby become resolvable in time. These methods include SOFI and all single-molecule localization methods (SMLM) such as SPDM, SPDMphymod, PALM, FPALM, STORM and dSTORM.On October 8th, 2014, the Nobel Prize in Chemistry was awarded to Eric Betzig, W.E. Moerner and Stefan Hell for ""the development of super-resolved fluorescence microscopy,"" which brings ""optical microscopy into the nanodimension"".
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