Theory of optical second-harmonic generation from a sphere of
... mechanism in which the phase variation of the pump beam across the sphere is considered, while the latter is present for a local-excitation mechanism. The locally excited electric dipole term, analogous to the source for linear Rayleigh scattering, is absent for the nonlinear case because of the ove ...
... mechanism in which the phase variation of the pump beam across the sphere is considered, while the latter is present for a local-excitation mechanism. The locally excited electric dipole term, analogous to the source for linear Rayleigh scattering, is absent for the nonlinear case because of the ove ...
A CONCEPTIONAL STUDY OF OPTICAL EARTH
... slewing of satellite. Nevertheless the diameter of FOV may be 2,000 km and the angular FOV will be 3 degree. Assuming the aperture dimension of CCD element and the required ground resolution are l4~m and 100 m respectively, then the focal length of telescope must be 5.32 m. The aperture will be 1 . ...
... slewing of satellite. Nevertheless the diameter of FOV may be 2,000 km and the angular FOV will be 3 degree. Assuming the aperture dimension of CCD element and the required ground resolution are l4~m and 100 m respectively, then the focal length of telescope must be 5.32 m. The aperture will be 1 . ...
Effect of barrier height on linear and nonlinear
... Quantum dots behave like artificial atoms and their electronic and optical properties are significantly different as compared to bulk [1]. In the interaction of radiation with matter at low radiation intensity the induced polarization depends linearly on the electric field and linear response is obt ...
... Quantum dots behave like artificial atoms and their electronic and optical properties are significantly different as compared to bulk [1]. In the interaction of radiation with matter at low radiation intensity the induced polarization depends linearly on the electric field and linear response is obt ...
Ocean wave slope from polarimetric imaging
... surface facet. Polarization of the incident and reflected light rays are specified in the coordinate system defined by the surface normal, the plane of reflection and the surface facet. The polarization orientation, , is 90◦ from the angle φ formed by the intersection of the plane of reflection wit ...
... surface facet. Polarization of the incident and reflected light rays are specified in the coordinate system defined by the surface normal, the plane of reflection and the surface facet. The polarization orientation, , is 90◦ from the angle φ formed by the intersection of the plane of reflection wit ...
Dynamic method to distinguish between left- and right
... That means the optical fields satisfy the energy conservation condition ω12 + ω23 = ω13 . This resembles sumfrequency generation in nonlinear media [23], which requires energy conservation as well as momentum conservation (along a certain direction). Sum-frequency generation is one of the techniques ...
... That means the optical fields satisfy the energy conservation condition ω12 + ω23 = ω13 . This resembles sumfrequency generation in nonlinear media [23], which requires energy conservation as well as momentum conservation (along a certain direction). Sum-frequency generation is one of the techniques ...
2 - Hal
... variables defined in Eqs. (9) and (19) and expressing the factor ch in terms of cos(z/L) according to eq.(14) one can present the generating function s in a form: ...
... variables defined in Eqs. (9) and (19) and expressing the factor ch in terms of cos(z/L) according to eq.(14) one can present the generating function s in a form: ...
IX71/IX81 - Olympus Microscopy Resource Center
... As new fluorochromes are developed and new methods of light excitation and manipulation become more popular for live cell experiments, more and more researchers will require the use of low phototoxicity near-IR wavelengths in addition to the conventional visible spectrum. Olympus has equipped its IX ...
... As new fluorochromes are developed and new methods of light excitation and manipulation become more popular for live cell experiments, more and more researchers will require the use of low phototoxicity near-IR wavelengths in addition to the conventional visible spectrum. Olympus has equipped its IX ...
Micro-Displacement Sensor Based on a Hollow
... material forming the fiber and the ability to fill the core of the fiber with gases and liquids leading to high light/sample overlapping [1,2]. These advantages lead to fascinating applications based on HC-PCFs, such as gas sensing [3], rhodamine sensing [4], DNA sensing [5], particle guidance and l ...
... material forming the fiber and the ability to fill the core of the fiber with gases and liquids leading to high light/sample overlapping [1,2]. These advantages lead to fascinating applications based on HC-PCFs, such as gas sensing [3], rhodamine sensing [4], DNA sensing [5], particle guidance and l ...
5 The Basics of Confocal Microscopy
... Confocal microscopy is a powerful tool that creates sharp images of a specimen that would otherwise appear blurred when viewed under a conventional microscope. This is achieved by excluding most of the light from the specimen that is not from the microscope’s focal plane. The image thus obtained has ...
... Confocal microscopy is a powerful tool that creates sharp images of a specimen that would otherwise appear blurred when viewed under a conventional microscope. This is achieved by excluding most of the light from the specimen that is not from the microscope’s focal plane. The image thus obtained has ...
Dispersion and Ultrashort Pulses
... The GDD due to angular dispersion is always negative! Also, note that it doesnt matter where the angular dispersion came from (whether a prism or a grating). And the negative GDD due to prism dispersion is usually much greater than that from the material of the prism. ...
... The GDD due to angular dispersion is always negative! Also, note that it doesnt matter where the angular dispersion came from (whether a prism or a grating). And the negative GDD due to prism dispersion is usually much greater than that from the material of the prism. ...
Theoretical and experimental characterization of coherent anti-Stokes Raman scattering microscopy
... Threedimensional Raman images with a high spatial resolution were obtained with a confocal Raman microscope.11 However, this technique necessitates a high average laser power because of the low cross section of Raman scattering and often suffers from the presence of fluorescence background. The diff ...
... Threedimensional Raman images with a high spatial resolution were obtained with a confocal Raman microscope.11 However, this technique necessitates a high average laser power because of the low cross section of Raman scattering and often suffers from the presence of fluorescence background. The diff ...
K.C. Neuman and S.M. Block, "Optical Trapping"
... fluctuating dipoles in the dielectric particle, and it is the interaction of these dipoles with the inhomogeneous electric field at the focus that gives rise to the gradient trapping force. The gradient force is proportional to both the polarizability of the dielectric and the optical intensity grad ...
... fluctuating dipoles in the dielectric particle, and it is the interaction of these dipoles with the inhomogeneous electric field at the focus that gives rise to the gradient trapping force. The gradient force is proportional to both the polarizability of the dielectric and the optical intensity grad ...
IOSR Journal of Humanities and Social Science (JHSS)
... because it looks at the visual field which is the main topic in the visual art today. Since the invention of Ibn alHaitham to the dark room then Leonardo Da Vinci came after him and recorded his observations upon, and put the lens on the hole of room to control in the size of the reflected image [1] ...
... because it looks at the visual field which is the main topic in the visual art today. Since the invention of Ibn alHaitham to the dark room then Leonardo Da Vinci came after him and recorded his observations upon, and put the lens on the hole of room to control in the size of the reflected image [1] ...
A guide to super-resolution fluorescence microscopy
... The most prominent near-field microscopy approach in cell biology utilizes the effect of total internal reflection at highly inclined angles at the glass–medium interface for the illumination of fluorophores (TIRF). The exponential decay of the evanescent field illumination intensity restricts excit ...
... The most prominent near-field microscopy approach in cell biology utilizes the effect of total internal reflection at highly inclined angles at the glass–medium interface for the illumination of fluorophores (TIRF). The exponential decay of the evanescent field illumination intensity restricts excit ...
Impact of Liquid Crystals in Active and Adaptive Optics
... main properties that make LCs so attractive. In the preceding paragraph we spoke about relative susceptibility. This magnitude is related with two main properties: polarization and birefringence. The term polarization (P) refers to two different magnitudes. In one hand it describes the dipole moment ...
... main properties that make LCs so attractive. In the preceding paragraph we spoke about relative susceptibility. This magnitude is related with two main properties: polarization and birefringence. The term polarization (P) refers to two different magnitudes. In one hand it describes the dipole moment ...
Theory of confocal fluorescence imaging in the
... magnitude with a concurrent increase of signal strength by an order of magnitude. Although the lamp source of the PAM yields a much lower irradiance (typically 100-fold) at the focal plane than the laser in a CLSM, this is compensated for by the large number of points that are scanned in parallel (a ...
... magnitude with a concurrent increase of signal strength by an order of magnitude. Although the lamp source of the PAM yields a much lower irradiance (typically 100-fold) at the focal plane than the laser in a CLSM, this is compensated for by the large number of points that are scanned in parallel (a ...
Optical Fibers and Fiber-Optic Communications
... at the core-cladding interface, and is therefore a function of optical frequency. A change in frequency will therefore change the propagation constant independent of the dispersion of the core and cladding materials; this results in what is commonly termed way eguide dispersion. Since dispersion of ...
... at the core-cladding interface, and is therefore a function of optical frequency. A change in frequency will therefore change the propagation constant independent of the dispersion of the core and cladding materials; this results in what is commonly termed way eguide dispersion. Since dispersion of ...