![Confocal Microscopy](http://s1.studyres.com/store/data/008534519_2-397fb72397ac30b820a389dd88445712-300x300.png)
Confocal Microscopy
... A modern confocal system consists of the microscope, associated lasers, the scan head with detectors and confocal apertures and a computer system that controls the scanning, adjusts the illumination, collects the signal, displays the images and stores the data for later image processing and analysi ...
... A modern confocal system consists of the microscope, associated lasers, the scan head with detectors and confocal apertures and a computer system that controls the scanning, adjusts the illumination, collects the signal, displays the images and stores the data for later image processing and analysi ...
Transmission Electron Microscopy
... - High spatial resolution: The main limiting factor on optical microscopy maximum spatial resolution (10-7 m scale) is related to the diffraction limit according to the Rayleigh criterion (δ ~ 0.61⋅λ), which limits the spatial resolution to the wavelength. The use of highenergy electrons on TEM, i.e ...
... - High spatial resolution: The main limiting factor on optical microscopy maximum spatial resolution (10-7 m scale) is related to the diffraction limit according to the Rayleigh criterion (δ ~ 0.61⋅λ), which limits the spatial resolution to the wavelength. The use of highenergy electrons on TEM, i.e ...
Optical Microscopy and 4 Pi Microscopy
... Point illumination source, or laser, is used Pinhole detector aperture to eliminate out of focus light ...
... Point illumination source, or laser, is used Pinhole detector aperture to eliminate out of focus light ...
+ (Z 2 +Z 1 )
... Microstrip line - one plate inifnitely wide therefore impedance is slightly lower ...
... Microstrip line - one plate inifnitely wide therefore impedance is slightly lower ...
Cristaux Photoniques, PO-014 Ecole doctorale photonique Romuald
... Quantitative measurement Note: it is not easy to measure directly reflectivity coefficients close to unity This would imply being able to discriminate between e.g. R=0.999 and R=0.997 Usually much more convenient to use the mirror to make a high Q optical cavity and deduce R from Q ...
... Quantitative measurement Note: it is not easy to measure directly reflectivity coefficients close to unity This would imply being able to discriminate between e.g. R=0.999 and R=0.997 Usually much more convenient to use the mirror to make a high Q optical cavity and deduce R from Q ...
Imaging visible light using anisotropic metamaterial slab lens Jie Yao, Kun-Tong Tsai,
... It is worth pointing out that the focusing effect is polarization dependant. Since the hyperbolic EFC only applies to the TM mode of light, transverse electric (TE) light cannot be focused by the metamaterial slab in the way described above. As a control experiment, we have measured TE-polarized wav ...
... It is worth pointing out that the focusing effect is polarization dependant. Since the hyperbolic EFC only applies to the TM mode of light, transverse electric (TE) light cannot be focused by the metamaterial slab in the way described above. As a control experiment, we have measured TE-polarized wav ...
AcuityXR Technology Significantly Enhances Lateral Resolution of
... resulting signal or its contrast as the test object moves through focus. The result is a series of optical fringes that correspond to the topography of the sample surface, much like a topographic map for geographic areas. Using this ...
... resulting signal or its contrast as the test object moves through focus. The result is a series of optical fringes that correspond to the topography of the sample surface, much like a topographic map for geographic areas. Using this ...
High-resolution retinal microscopy using MEMS
... The scanning laser ophthalmoscope, invented in 1980 by Rob Webb, allows highcontrast, high resolution imaging of the retina. Its confocal detector greatly improves contrast and allows sub-surface imaging, permitting detailed study of the vasculature that supplies capillary blood flow to the retina. ...
... The scanning laser ophthalmoscope, invented in 1980 by Rob Webb, allows highcontrast, high resolution imaging of the retina. Its confocal detector greatly improves contrast and allows sub-surface imaging, permitting detailed study of the vasculature that supplies capillary blood flow to the retina. ...
Optical spectroscopy techniques
... o Laser induced fluorescence o Doppler-‐free spectroscopy in molecular beams o Nonlinear absorption -‐saturation spectroscopy o Doppler-‐free two-‐photon spectroscopy o Raman spectroscopy o Cavity-‐enhanced laser absorption spectroscopy Cavity ring-‐down spectroscopy Cavit ...
... o Laser induced fluorescence o Doppler-‐free spectroscopy in molecular beams o Nonlinear absorption -‐saturation spectroscopy o Doppler-‐free two-‐photon spectroscopy o Raman spectroscopy o Cavity-‐enhanced laser absorption spectroscopy Cavity ring-‐down spectroscopy Cavit ...
IJCA 47A(6) 815-820
... sample (b) was concerned. On the other hand, for sample (f) there was no XRD peak at all in the mesoporous region. Thus, the conditions chosen for the reaction are by far the most optimized conditions. To study the nature of the surfactant molecules, it is important to have an insight into the react ...
... sample (b) was concerned. On the other hand, for sample (f) there was no XRD peak at all in the mesoporous region. Thus, the conditions chosen for the reaction are by far the most optimized conditions. To study the nature of the surfactant molecules, it is important to have an insight into the react ...
D1619
... Fiber optic communication system is also called light wave systems because they employ optical fibers to transmit information. In order to transmit signals over long distances, it is necessary to compensate the attenuation losses within the fiber. Initially, this was accomplished with an optoelectro ...
... Fiber optic communication system is also called light wave systems because they employ optical fibers to transmit information. In order to transmit signals over long distances, it is necessary to compensate the attenuation losses within the fiber. Initially, this was accomplished with an optoelectro ...
Direct Characterization of Plasmonic Slot Waveguides and
... based nanocouplers in the telecom wavelength range. Illumination with a wide laser beam excites both slot plasmons confined within a dielectric gap in a metal film and surface plasmon polaritons (SPP) propagating along the metal film interface perpendicular to the slot, and the resulting near-field ...
... based nanocouplers in the telecom wavelength range. Illumination with a wide laser beam excites both slot plasmons confined within a dielectric gap in a metal film and surface plasmon polaritons (SPP) propagating along the metal film interface perpendicular to the slot, and the resulting near-field ...
Scanning Electron Microscope - i-Explore International Research
... In this lens the specimen is outside the lens but inside its magnetic field. The snorkel lens combines the best features of both the pinhole and the immersion lenses. Its magnetic field extends outside the lens and reaches the specimen. This design puts restrictions for imaging of magnetic specimens ...
... In this lens the specimen is outside the lens but inside its magnetic field. The snorkel lens combines the best features of both the pinhole and the immersion lenses. Its magnetic field extends outside the lens and reaches the specimen. This design puts restrictions for imaging of magnetic specimens ...
Distributed-gain measurements of erbium
... reflection, whereas the other is connected to the fiber under test. The sensitivity of the technique is deternlined by the laser intensity and its intensity noise, whereas the maximum detectable range is given by the laser linewidth. In our experimental setup we used a three electrodes semiconducto ...
... reflection, whereas the other is connected to the fiber under test. The sensitivity of the technique is deternlined by the laser intensity and its intensity noise, whereas the maximum detectable range is given by the laser linewidth. In our experimental setup we used a three electrodes semiconducto ...
VNIR Reflectance Spectroscopy
... Lab spectra of well–characterized minerals and mineral mixtures are the basis for the analysis of ground and space based spectra since only laboratory measurements allow to investigate homogeneous samples in which all parameters can be controlled. Tasks ...
... Lab spectra of well–characterized minerals and mineral mixtures are the basis for the analysis of ground and space based spectra since only laboratory measurements allow to investigate homogeneous samples in which all parameters can be controlled. Tasks ...
A Liquid Nitrogen Immersion Cryostat for Optical
... cryostat for optical measurements which has most of the same advantages as the gas heat exchange design, but also allows for very rapid sample cooling. The principle difficulty with liquid immersion cryostats is distortion and scattering of light by cryogen bubbles and schlieren6. This was solved by ...
... cryostat for optical measurements which has most of the same advantages as the gas heat exchange design, but also allows for very rapid sample cooling. The principle difficulty with liquid immersion cryostats is distortion and scattering of light by cryogen bubbles and schlieren6. This was solved by ...
Chapter 5. IR Spectroscopy and Raman Scattering
... The Raman scattering experiment involves shifts in the wavelength of an incident monochromatic beam. Raman scattering uses a laser as a light source (IR uses a mercury lamp or other broad spectrum source). The laser is usually in the optical wavelengths. The incident light causes motion of electrons ...
... The Raman scattering experiment involves shifts in the wavelength of an incident monochromatic beam. Raman scattering uses a laser as a light source (IR uses a mercury lamp or other broad spectrum source). The laser is usually in the optical wavelengths. The incident light causes motion of electrons ...
anal chem II / IR spectrometry
... interferogram is made from a single wavelength function, with = 1/2㎝. Fourier analysis of the interferogram in Figure b) gives the slightly more interesting result that the interferogram is composed of two wavelengths ( = 1/2㎝ and = 1/8㎝) with relative contributions 1:1. We say that the spectru ...
... interferogram is made from a single wavelength function, with = 1/2㎝. Fourier analysis of the interferogram in Figure b) gives the slightly more interesting result that the interferogram is composed of two wavelengths ( = 1/2㎝ and = 1/8㎝) with relative contributions 1:1. We say that the spectru ...
Biology 3235: Resolution and magnification of a light microscopes
... 0.25 will resolve details as small as 1.2 µm when using green light (λ = 500 nm). With a100× objective (NA = 1.3), you could resolve details as small as 0.23 µm using green light. Note that shorter wavelengths of light also provide for greater resolution; smaller details can be resolved with blue li ...
... 0.25 will resolve details as small as 1.2 µm when using green light (λ = 500 nm). With a100× objective (NA = 1.3), you could resolve details as small as 0.23 µm using green light. Note that shorter wavelengths of light also provide for greater resolution; smaller details can be resolved with blue li ...
Optically induced forces in scanning probe microscopy
... the plates is replaced by an AFM tip and the applied force as a function of applied external voltage between the tip and sample is measured [41]. This technique permits the measurement of local changes in the optical absorption of the tip-sample system [42–45]. Moreover, by modulating the external v ...
... the plates is replaced by an AFM tip and the applied force as a function of applied external voltage between the tip and sample is measured [41]. This technique permits the measurement of local changes in the optical absorption of the tip-sample system [42–45]. Moreover, by modulating the external v ...
lecture1
... Distortion in lens in which there is a failure to focus different wavelength rays to converge on same point. • In light it’s the different color wavelengths • In electrons shorter wavelength electrons are more energetic and have a longer focal length than longer wavelength electrons. ...
... Distortion in lens in which there is a failure to focus different wavelength rays to converge on same point. • In light it’s the different color wavelengths • In electrons shorter wavelength electrons are more energetic and have a longer focal length than longer wavelength electrons. ...
Photon mapping of individual Ag particles on MgO/Mo(001)
... is therefore of the order of 250 nm (λrad ∼ 500 nm), hence much larger than the size of nano-objects, for example, molecules, quantum dots, or metal particles. Virtually since its formulation in the 19th century, scientists have tried to override this resolution limit by introducing new, sophisticat ...
... is therefore of the order of 250 nm (λrad ∼ 500 nm), hence much larger than the size of nano-objects, for example, molecules, quantum dots, or metal particles. Virtually since its formulation in the 19th century, scientists have tried to override this resolution limit by introducing new, sophisticat ...
Super-resolution Microscopy
... The first super-resolution microscopy technique that utilized this nonlinear relationship is STED microscopy. In conventional point scanning confocal systems, all the fluorophore molecules within a diffraction-limited excitation volume are excited and emit the fluorescence signal simultaneously (Fig ...
... The first super-resolution microscopy technique that utilized this nonlinear relationship is STED microscopy. In conventional point scanning confocal systems, all the fluorophore molecules within a diffraction-limited excitation volume are excited and emit the fluorescence signal simultaneously (Fig ...
1. Which of the following statement are true about "LED life" term?
... LED life refers to time duration of the charge carriers in the active region (lifetime of the carriers) LED life increase if Iforward increase 2. Which are the main parameters of an LED that are affected by temperature? Luminous intensity (brightness) ...
... LED life refers to time duration of the charge carriers in the active region (lifetime of the carriers) LED life increase if Iforward increase 2. Which are the main parameters of an LED that are affected by temperature? Luminous intensity (brightness) ...