Isolated hexaphenyl nanofibers as optical waveguides
... some losses are expected due to reabsorption of light. Inside a fluorescence microscope 365 nm UV light is focused onto a selected fiber 共focal radius 15 m兲. The UV light transfers population into the S 1 electronically excited state, from which it relaxes predominantly into the first vibrationally ...
... some losses are expected due to reabsorption of light. Inside a fluorescence microscope 365 nm UV light is focused onto a selected fiber 共focal radius 15 m兲. The UV light transfers population into the S 1 electronically excited state, from which it relaxes predominantly into the first vibrationally ...
Lecture 10: Surface Plasmon Excitation
... Notes: Light intensity reflected from the back surface depends on the film thickness There exists a film thickness for perfect coupling (destructive interference between two refl. beams) When light coupled in perfectly, all the EM energy dissipated in the film) ...
... Notes: Light intensity reflected from the back surface depends on the film thickness There exists a film thickness for perfect coupling (destructive interference between two refl. beams) When light coupled in perfectly, all the EM energy dissipated in the film) ...
Matrix assisted laser desorption/ionization
... (turnip sawfly) was monitored using MALDI-MSI. MS images of longitudinal cryo-sections of these larvae revealed the rapid sequestration and concentration of sinalbin in the haemolymph, rather than gut, as a strategy to detoxify ingested leaf ...
... (turnip sawfly) was monitored using MALDI-MSI. MS images of longitudinal cryo-sections of these larvae revealed the rapid sequestration and concentration of sinalbin in the haemolymph, rather than gut, as a strategy to detoxify ingested leaf ...
Microscope Power Point File
... cloth. He taught himself new methods for grinding and polishing tiny lenses of great curvature which gave magnifications up to 270 diameters, the finest known at that time. These led to the building of his microscopes and the biological discoveries for which he is famous. He was the first to see and ...
... cloth. He taught himself new methods for grinding and polishing tiny lenses of great curvature which gave magnifications up to 270 diameters, the finest known at that time. These led to the building of his microscopes and the biological discoveries for which he is famous. He was the first to see and ...
Scanning transmission soft x-ray microscopy at beamline X
... preservation in biological specimens8. This system has also been used for demonstrations of tomographic imaging, including a reconstruction of a frozen hydrated fibroblast at approximately 100x100x250 nm resolution9. Recent studies with the cryoSTXM by T. Beetz of Stony Brook have centered on a more ...
... preservation in biological specimens8. This system has also been used for demonstrations of tomographic imaging, including a reconstruction of a frozen hydrated fibroblast at approximately 100x100x250 nm resolution9. Recent studies with the cryoSTXM by T. Beetz of Stony Brook have centered on a more ...
Transmission Electron Microscopy -TEM
... them as optical lenses do to light. After confirming these principles he set out to design the electron microscope, which he knew would be much more powerful than an ordinary optical microscope since electron waves were shorter than ordinary light waves. Electrons would therefore allow for greater m ...
... them as optical lenses do to light. After confirming these principles he set out to design the electron microscope, which he knew would be much more powerful than an ordinary optical microscope since electron waves were shorter than ordinary light waves. Electrons would therefore allow for greater m ...
PHYS4014 - Lasers and Nonlinear Optics
... Laser principles: Light sources and coherence, spontaneous and stimulated emission of radiation and the Einstein A and B coefficients and the relationship between them, absorption and gain coefficients in lasing media, population inversions, optical pumping and the principles of optical cavities. Di ...
... Laser principles: Light sources and coherence, spontaneous and stimulated emission of radiation and the Einstein A and B coefficients and the relationship between them, absorption and gain coefficients in lasing media, population inversions, optical pumping and the principles of optical cavities. Di ...
Microscope
... which has the same optical properties as glass, i.e. immersion oil. By collecting extra oblique light, the oil provides better resolution and a brighter image. ...
... which has the same optical properties as glass, i.e. immersion oil. By collecting extra oblique light, the oil provides better resolution and a brighter image. ...
pupil function - UCT Digital Image Processing
... and r is the radial distance measured from the optical axis in the image plane q r = xi2 + yi2 . The relevant imaging quantities are shown below, both for the case of a circular and a rectangular aperture: ...
... and r is the radial distance measured from the optical axis in the image plane q r = xi2 + yi2 . The relevant imaging quantities are shown below, both for the case of a circular and a rectangular aperture: ...
Theory of confocal fluorescence imaging in the
... Brakenhoff et al., 1989). This is achieved by illumination of the object with a point source and detection through a pinhole at a conjugate position in the emission path. To acquire a complete image, scanning of the light source or of the sample is required. An inherent limitation of the widely dist ...
... Brakenhoff et al., 1989). This is achieved by illumination of the object with a point source and detection through a pinhole at a conjugate position in the emission path. To acquire a complete image, scanning of the light source or of the sample is required. An inherent limitation of the widely dist ...
DG Papazoglou et al.
... Optical aberrations can be envisioned as a way to impose polynomial phase distributions on plane wave! Coma aberration Cubic phase ! ...
... Optical aberrations can be envisioned as a way to impose polynomial phase distributions on plane wave! Coma aberration Cubic phase ! ...
Ongoing Research Works
... ultimately governs the longevity of laser operation. However, some improvement was recently found in the fluorescence intensities, laser efficiencies and photostabilty by co-doping dyes (mixture of two dyes). Still, for applications that require high powers, at either cw or pulsed highrepetition-rat ...
... ultimately governs the longevity of laser operation. However, some improvement was recently found in the fluorescence intensities, laser efficiencies and photostabilty by co-doping dyes (mixture of two dyes). Still, for applications that require high powers, at either cw or pulsed highrepetition-rat ...
Nineteen Ways to do 3-Dimensional Imaging
... the scene. Without stepping into this discussion, I’m going to take the broader view for this list that the techniques can provide 3D information about either a volume (volumetric imaging) or a surface (topographical imaging). There are blends of two or more 3D imaging techniques. For example, two c ...
... the scene. Without stepping into this discussion, I’m going to take the broader view for this list that the techniques can provide 3D information about either a volume (volumetric imaging) or a surface (topographical imaging). There are blends of two or more 3D imaging techniques. For example, two c ...
