The Optical and Physical Advisor: Peter Collings
... similar azoxy-benzenes and is called ZhK 440 (Figure 1.1). ZhK 440 was developed and chosen because of its wide nematic liquid crystal phase, which includes room temperature. A nematic phase is one of orientational, but not translational order, Figure 1.2. The novel advantage of a photosensitive liq ...
... similar azoxy-benzenes and is called ZhK 440 (Figure 1.1). ZhK 440 was developed and chosen because of its wide nematic liquid crystal phase, which includes room temperature. A nematic phase is one of orientational, but not translational order, Figure 1.2. The novel advantage of a photosensitive liq ...
Acousto-Optic Devices and Applications
... required is about 2.5 times that predicted by the small signal theory. ...
... required is about 2.5 times that predicted by the small signal theory. ...
Introduction - Strathprints
... SHG theory by Bloembergen and Pershan31, they were not properly taken into account until the work by Schoji et al32 who reviewed the absolute values of the nonlinear coefficients for a large range of materials. The reason for this neglect is that for films or crystal slabs, whose thicknesses are muc ...
... SHG theory by Bloembergen and Pershan31, they were not properly taken into account until the work by Schoji et al32 who reviewed the absolute values of the nonlinear coefficients for a large range of materials. The reason for this neglect is that for films or crystal slabs, whose thicknesses are muc ...
Propagation of EM Waves in material media
... (boundary conditions must hold for all time and everywhere on the boundary) is independent of the kind of wave and the specific form of the boundary conditions, and so these laws hold for waves of all kinds (sound waves, seismic waves, surface water waves, etc.). and However, two of the ...
... (boundary conditions must hold for all time and everywhere on the boundary) is independent of the kind of wave and the specific form of the boundary conditions, and so these laws hold for waves of all kinds (sound waves, seismic waves, surface water waves, etc.). and However, two of the ...
5 The Basics of Confocal Microscopy
... by excluding most of the light from the specimen that is not from the microscope’s focal plane. The image thus obtained has less haze and better contrast than that of a conventional microscope and represents a thin cross-section of the specimen (Diaspro, 2002; Hibbs, 2004; Matsumoto, 2002; Muller, 2 ...
... by excluding most of the light from the specimen that is not from the microscope’s focal plane. The image thus obtained has less haze and better contrast than that of a conventional microscope and represents a thin cross-section of the specimen (Diaspro, 2002; Hibbs, 2004; Matsumoto, 2002; Muller, 2 ...
Graphene Plasmonic Metasurfaces to Steer Infrared Light www.nature.com/scientificreports Zubin Li
... that of bulk noble metals. As a result, graphene is able to support surface plasmons as a bulk metal does, whereas operating at mid-infrared and lower frequencies. Because of the 2D nature of the platform, graphene surface plasmons exhibit extremely small wavelengths (~λ /10–λ /100) and tight field ...
... that of bulk noble metals. As a result, graphene is able to support surface plasmons as a bulk metal does, whereas operating at mid-infrared and lower frequencies. Because of the 2D nature of the platform, graphene surface plasmons exhibit extremely small wavelengths (~λ /10–λ /100) and tight field ...
Soft-x-ray laser interferometry of a pinch discharge using a tabletop... * C. H. Moreno, M. C. Marconi,
... The interferometer design requires the use of two nearnormal incidence mirrors. The literature indicates that Ir or Os coatings can produce normal incidence reflectivities of nearly 20% at 46.9 nm @16#. However, we have observed during our experiments that in practice the reflectivity of Ir coatings ...
... The interferometer design requires the use of two nearnormal incidence mirrors. The literature indicates that Ir or Os coatings can produce normal incidence reflectivities of nearly 20% at 46.9 nm @16#. However, we have observed during our experiments that in practice the reflectivity of Ir coatings ...
acta physica slovaca vol. 50 No. 4, 489 – 500 August 2000 MATRIX
... one can calculate the integrals in Eqs. (24) in the following forms: P = ...
... one can calculate the integrals in Eqs. (24) in the following forms: P = ...
Optical limiting in a periodic materials with relaxational nonlinearity Xue Liu,
... The top figure is the input Gaussian field; its pulse width is shorter than the medium so that it samples a large portion of the dispersive spectrum in the medium. The middle figure is the continuation of the forward-propagating pulse as it passes into and through the PBG sample. The bottom figure s ...
... The top figure is the input Gaussian field; its pulse width is shorter than the medium so that it samples a large portion of the dispersive spectrum in the medium. The middle figure is the continuation of the forward-propagating pulse as it passes into and through the PBG sample. The bottom figure s ...
An Optical Mask for Atomic Interferometry Experiments
... beamsplitter. As mentioned above, atoms can be diffracted off a grating. One very early example of this is the diffraction of helium atoms from a LiF crystal surface, first done by Estermann and Stern in 1930. The periodicity of the crystal lattice lets it act as a phase grating for the atoms. Moder ...
... beamsplitter. As mentioned above, atoms can be diffracted off a grating. One very early example of this is the diffraction of helium atoms from a LiF crystal surface, first done by Estermann and Stern in 1930. The periodicity of the crystal lattice lets it act as a phase grating for the atoms. Moder ...
Coatings - CVI Laser Optics
... various types of glass, and most are coated with thin layers of special materials. The purpose of these coatings is to modify the reflection and transmission properties of the components’ surfaces. Whenever light passes from one medium into a medium with different optical properties (most notably re ...
... various types of glass, and most are coated with thin layers of special materials. The purpose of these coatings is to modify the reflection and transmission properties of the components’ surfaces. Whenever light passes from one medium into a medium with different optical properties (most notably re ...
ImmersedFoil Method for Measuring Shock Wave Profiles in Solids
... mIrror. The experiment is aligned so that the streak :aI-r:era ob~erves the 8° foil assembly via the auxiliary mclmed mIrror and the remainder of the experiment via the large mirror; thus, both foil assemblies appear normctl to the streak camera (Fig. 6). The alignment of the actual grid with its im ...
... mIrror. The experiment is aligned so that the streak :aI-r:era ob~erves the 8° foil assembly via the auxiliary mclmed mIrror and the remainder of the experiment via the large mirror; thus, both foil assemblies appear normctl to the streak camera (Fig. 6). The alignment of the actual grid with its im ...
PRELIMINARY STUDY ON PHOTONIC CRYSTAL
... In the picture 5, the value of the wavelength of the reflection spectrum is the forbidden wavelength (λgap) resulted from photonic pass band in photonic crystal. The photonic pass band in the photonic crystals hinders wavelength on the refractive index material transmitted. On a photonic crystal, th ...
... In the picture 5, the value of the wavelength of the reflection spectrum is the forbidden wavelength (λgap) resulted from photonic pass band in photonic crystal. The photonic pass band in the photonic crystals hinders wavelength on the refractive index material transmitted. On a photonic crystal, th ...
A Study of the Phenomenon of Spontaneous Parametric Down
... count rates of the two single photon detectors were experimentally measured to be 257 counts/s and 189 counts/s having a percent difference of 4 % and 18 % from the dark count rates determined by the manufacturers of the detectors. The accidental coincidence rate between the two detectors was 1.6 co ...
... count rates of the two single photon detectors were experimentally measured to be 257 counts/s and 189 counts/s having a percent difference of 4 % and 18 % from the dark count rates determined by the manufacturers of the detectors. The accidental coincidence rate between the two detectors was 1.6 co ...
Retroreflector
A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects light back to its source with a minimum of scattering. In a retroreflector an electromagnetic wavefront is reflected back along a vector that is parallel to but opposite in direction from the wave's source. The angle of incidence at which the device or surface reflects light in this way is greater than zero, unlike a planar mirror, which does this only if the mirror is exactly perpendicular to the wave front, having a zero angle of incidence.