Quantitative prediction of the modulation behavior of twisted nematic liquid
... In order to obtain a better accuracy, in the values of β(V) and δ(V) we made measurements for these three experimental configurations at four different wavelengths (633 nm from a He-Ne laser, and 514 nm, 488 nm and 458 nm from an Ar laser). As described in ref. [16] in our fit of the experimental da ...
... In order to obtain a better accuracy, in the values of β(V) and δ(V) we made measurements for these three experimental configurations at four different wavelengths (633 nm from a He-Ne laser, and 514 nm, 488 nm and 458 nm from an Ar laser). As described in ref. [16] in our fit of the experimental da ...
Document
... One of the most universal signs of living material is the remarkable "chiral purity" of the biological macromolecules which make it up, which is expressed in the practically complete preference of living nature for one (right or left) of the two possible mirror isomers of the same biomolecule.1-3 Th ...
... One of the most universal signs of living material is the remarkable "chiral purity" of the biological macromolecules which make it up, which is expressed in the practically complete preference of living nature for one (right or left) of the two possible mirror isomers of the same biomolecule.1-3 Th ...
Optical tweezers using a diode laser
... complex light amplitudes in these two sets are approximately Fourier transforms of each other.) A “collimated” laser beam at any aperture plane appears at the back aperture of the objective and its position and steering there are related to its position and steering at the other aperture planes thro ...
... complex light amplitudes in these two sets are approximately Fourier transforms of each other.) A “collimated” laser beam at any aperture plane appears at the back aperture of the objective and its position and steering there are related to its position and steering at the other aperture planes thro ...
A method to generate complex quasi-nondiffracting optical lat
... Among their applications may be the control of evolution of matter-wave or optical solitons in optical lattices produced by the corresponding nondiffracting beams. Due to their unusual symmetry such lattices may allow observation of new types of soliton motion and may substantially enrich the possi ...
... Among their applications may be the control of evolution of matter-wave or optical solitons in optical lattices produced by the corresponding nondiffracting beams. Due to their unusual symmetry such lattices may allow observation of new types of soliton motion and may substantially enrich the possi ...
Ultrafast adaptive optical near-field control
... situation with phase-only modulations of the two polarization components that leave the spectral shapes invariant. Additional polarization-state modifications by optical elements after passage through the pulse shaper are not considered here but have to be taken into account in a real experiment.23 ...
... situation with phase-only modulations of the two polarization components that leave the spectral shapes invariant. Additional polarization-state modifications by optical elements after passage through the pulse shaper are not considered here but have to be taken into account in a real experiment.23 ...
Coherence properties of sunlight
... In applying these results to the case where the luminescent source is the Sun, one is surprised by the smallness of the region in which the movements can be considered coherent. In the above formula, r is the radius of the source, R is the distance from the source to the observation point, l is the ...
... In applying these results to the case where the luminescent source is the Sun, one is surprised by the smallness of the region in which the movements can be considered coherent. In the above formula, r is the radius of the source, R is the distance from the source to the observation point, l is the ...
Experimental approach to transverse wave
... periodic stripes (g)–(j) are shown, which are connected by a series of nonperiodic striped patterns (c)–(f). All these patterns are steady, except the transient competition between rolls of high spatial frequency and the homogeneous state shown in (k). Further decreasing voltage from (k) the system ...
... periodic stripes (g)–(j) are shown, which are connected by a series of nonperiodic striped patterns (c)–(f). All these patterns are steady, except the transient competition between rolls of high spatial frequency and the homogeneous state shown in (k). Further decreasing voltage from (k) the system ...
Fabry-Pérot resonance of water waves - TAF Lab
... the framework of the linear potential flow theory, and are then extended in the conclusion by discussing and providing suggestions on how to consider the effects of wave directionality, bottom irregularity, and viscosity. ...
... the framework of the linear potential flow theory, and are then extended in the conclusion by discussing and providing suggestions on how to consider the effects of wave directionality, bottom irregularity, and viscosity. ...
Full-Text PDF
... respectively. The size of the phase object can be estimated from the distance between both discontinuities which are indicated by two arrows in Figure 5a. For the opaque object, the width between both discontinuities of the intensity profile represents its size. From the intensity profile of the two ...
... respectively. The size of the phase object can be estimated from the distance between both discontinuities which are indicated by two arrows in Figure 5a. For the opaque object, the width between both discontinuities of the intensity profile represents its size. From the intensity profile of the two ...
Holography
... grating. In a thin grating(periodic lines structure), each line acts as an individual scattering center and there is no “talking” between them. The far field diffraction pattern is formed by the superposition of each scattering wavelet. While in a thick grating (periodic planes structure), the incid ...
... grating. In a thin grating(periodic lines structure), each line acts as an individual scattering center and there is no “talking” between them. The far field diffraction pattern is formed by the superposition of each scattering wavelet. While in a thick grating (periodic planes structure), the incid ...
A high numerical aperture (NA = 0.92)
... almost 1/3 of the full solid angle, which results in a resolution of 460 nm. The design of the objective lens has been optimized to increase its working distance vanishing for a solid immersion objective lens [20] to 150 µm, which is sufficiently long to form a two-dimensional optical lattice of cou ...
... almost 1/3 of the full solid angle, which results in a resolution of 460 nm. The design of the objective lens has been optimized to increase its working distance vanishing for a solid immersion objective lens [20] to 150 µm, which is sufficiently long to form a two-dimensional optical lattice of cou ...
Backward wave propagation in left-handed media with isotropic and
... them to be dubbed left-handed media (LHM). The aforementioned relation among the three vectors implies that the Poynting vector 共S兲 and the wave vector 共k兲 of a wave propagating in a LHM are necessarily antiparallel, which is the defining characteristic of the so-called backward wave. Therefore, LHM ...
... them to be dubbed left-handed media (LHM). The aforementioned relation among the three vectors implies that the Poynting vector 共S兲 and the wave vector 共k兲 of a wave propagating in a LHM are necessarily antiparallel, which is the defining characteristic of the so-called backward wave. Therefore, LHM ...
Whispering gallery modes of microspheres in the presence of a
... Micro-optical sensor concepts based on the so-called whispering gallery mode 共WGM兲 shifts in spherical dielectric resonators were recently demonstrated for temperature,1 force,2,3 pressure,4 and electric field.5 In these studies, a single mode optical fiber is used to couple tunable laser light into ...
... Micro-optical sensor concepts based on the so-called whispering gallery mode 共WGM兲 shifts in spherical dielectric resonators were recently demonstrated for temperature,1 force,2,3 pressure,4 and electric field.5 In these studies, a single mode optical fiber is used to couple tunable laser light into ...
Two-dimensional modulational instability in photorefractive media M Saffman , Glen McCarthy
... simplicity and comparison with the experimental conditions discussed below we only considered the frequency degenerate ( = 0) and short Debye length (α = ξ = 0) limit. We also assumed the lack of a photogalvanic effect (E ph = 0). We used a split step fast Fourier transform code to solve the propag ...
... simplicity and comparison with the experimental conditions discussed below we only considered the frequency degenerate ( = 0) and short Debye length (α = ξ = 0) limit. We also assumed the lack of a photogalvanic effect (E ph = 0). We used a split step fast Fourier transform code to solve the propag ...
Polarization Optics Tutorial: Polarizers, Waveplates, Rotators, and
... Waveplates, also known as plate retarders, change the relative phase between two components of polarization. As we’ll see, this can be very useful. A common configuration of waveplate is a plane-parallel plate of a birefringent crystal, typically quartz. Mica, magnesium fluoride, and sapphire have a ...
... Waveplates, also known as plate retarders, change the relative phase between two components of polarization. As we’ll see, this can be very useful. A common configuration of waveplate is a plane-parallel plate of a birefringent crystal, typically quartz. Mica, magnesium fluoride, and sapphire have a ...
Influence of substrate configuration on the angular response pattern
... have mainly employed the use of microbolometers for detecting incident radiation [3, 4]. When subjected to infrared radiation, the temperature of the bolometer changes and consequently, so does its resistance [5]. Detection of incident infrared radiation is then measured using a constant voltage sup ...
... have mainly employed the use of microbolometers for detecting incident radiation [3, 4]. When subjected to infrared radiation, the temperature of the bolometer changes and consequently, so does its resistance [5]. Detection of incident infrared radiation is then measured using a constant voltage sup ...
