Properties of Waves
... Refractive index – the amount that light is bent by a medium speed of light in a vacuum refractive index = speed of light in medium Or using Snell’s Law sin i refractive index = sin r Where i is the angle of incidence and r is the angle of refraction ...
... Refractive index – the amount that light is bent by a medium speed of light in a vacuum refractive index = speed of light in medium Or using Snell’s Law sin i refractive index = sin r Where i is the angle of incidence and r is the angle of refraction ...
In the diagram below, the optical train of a set of binoculars is found
... The Fraunhofer diffraction pattern from two microscopic circular holes separated by a distance d is observed at a wavelength of 500 nm on a screen placed 50 cm from the aperture plane. Inspection of the pattern shows that it is at the Rayleigh limit of resolution (i.e. the principal maximum appears ...
... The Fraunhofer diffraction pattern from two microscopic circular holes separated by a distance d is observed at a wavelength of 500 nm on a screen placed 50 cm from the aperture plane. Inspection of the pattern shows that it is at the Rayleigh limit of resolution (i.e. the principal maximum appears ...
Mimicking celestial mechanics in metamaterials ARTICLES *
... the microscopic response of an artificial optical material has attracted great interest in the field of optics. This ongoing revolution, facilitated by the advances in nanotechnology, has enabled the manifestation of exciting effects such as negative refraction1,2 , electromagnetic invisibility devi ...
... the microscopic response of an artificial optical material has attracted great interest in the field of optics. This ongoing revolution, facilitated by the advances in nanotechnology, has enabled the manifestation of exciting effects such as negative refraction1,2 , electromagnetic invisibility devi ...
Presentation PPT
... removing the central capillary then guiding of electromagnetic wave in a PCF can be regarded as a modified total internal reflection mechanism. 2. Photonic bandgap mechanism: If the central defect is realized by inserting a central air capillary, which has a diameter different than other capillaries ...
... removing the central capillary then guiding of electromagnetic wave in a PCF can be regarded as a modified total internal reflection mechanism. 2. Photonic bandgap mechanism: If the central defect is realized by inserting a central air capillary, which has a diameter different than other capillaries ...
Experiment 4: Refraction and Interference with Microwaves
... wave and find the distance between consecutive maximum values. Set up a reflector an integral number of 1/2 wavelengths away from the transmitter so as to produce a standing wave. The optimal distance from source to reflector will produce the largest ratio between measurements at node and anti-nodes ...
... wave and find the distance between consecutive maximum values. Set up a reflector an integral number of 1/2 wavelengths away from the transmitter so as to produce a standing wave. The optimal distance from source to reflector will produce the largest ratio between measurements at node and anti-nodes ...
Backward wave propagation in left-handed media with isotropic and
... signifying that the group velocity is positive everywhere. In branch II the opposite is true. That is, at all points the phase velocity is positive and the group velocity is negative. Hence, as expected, the index derived from Eq. (4) yields backward wave behavior at all frequencies since the phase ...
... signifying that the group velocity is positive everywhere. In branch II the opposite is true. That is, at all points the phase velocity is positive and the group velocity is negative. Hence, as expected, the index derived from Eq. (4) yields backward wave behavior at all frequencies since the phase ...
Deliverable 9: Blueprints of ICT relevant demonstrators As pointed
... As pointed out in the original PHOME proposal, using chiral metamaterials can be used as thin-film optical isolators. In addition, we have proposed to use photonic metamaterials that can be used as tunable switches at THz frequencies, and finally we have proposed to use photonic metamaterials for el ...
... As pointed out in the original PHOME proposal, using chiral metamaterials can be used as thin-film optical isolators. In addition, we have proposed to use photonic metamaterials that can be used as tunable switches at THz frequencies, and finally we have proposed to use photonic metamaterials for el ...
Birefringent Thin Films for LCDs Pochi Yeh
... the plane of incidence. For normal incidence, the angles are 45 degrees. When the plane of incidence in 45 degrees from the absorption axes of the polarizers, the angle between the unit vector o1 and the normal vector s is an increasing function of the angle of incidence. The deviation from 45 degre ...
... the plane of incidence. For normal incidence, the angles are 45 degrees. When the plane of incidence in 45 degrees from the absorption axes of the polarizers, the angle between the unit vector o1 and the normal vector s is an increasing function of the angle of incidence. The deviation from 45 degre ...
AP Physics B Waves and Optics Sample MC
... (A) bend toward the normal. (B) bend away from the normal (C) are unaffected. 19. Long wavelengths (A) bend the most. (B) bend the lease. (C) Wave length does not determine the amount of refraction. 20. Light moves from one medium to another. If the change in density is very large the refraction wil ...
... (A) bend toward the normal. (B) bend away from the normal (C) are unaffected. 19. Long wavelengths (A) bend the most. (B) bend the lease. (C) Wave length does not determine the amount of refraction. 20. Light moves from one medium to another. If the change in density is very large the refraction wil ...
Graded-index fibers (GRA)
... transit time is increases. In the graded-index fiber the rays with higher θ1 reach into regions with a lower refractive index. Hence they are faster. By suitable choice of a refractive index profile n(r) these two effects can cancel each other out. ...
... transit time is increases. In the graded-index fiber the rays with higher θ1 reach into regions with a lower refractive index. Hence they are faster. By suitable choice of a refractive index profile n(r) these two effects can cancel each other out. ...
WAVE PLATES
... component is retarded by one half-wave, it will also be a maximum, but 180° out of phase, or pointing along the negative slow axis. If we follow the wave further, we see that the slow component remains exactly 180° out of phase with the original slow component, relative to the fast component. This d ...
... component is retarded by one half-wave, it will also be a maximum, but 180° out of phase, or pointing along the negative slow axis. If we follow the wave further, we see that the slow component remains exactly 180° out of phase with the original slow component, relative to the fast component. This d ...
The Role of Electric Polarization in Nonlinear optics
... The susceptibility tensors must remain unchanged upon the symmetric operation allowed for the medium. This reduces the number of the independent and nonzero elements of the susceptibility tensors. The most important conclusion from this property is that for all centrosymmetric crystals and isotropic ...
... The susceptibility tensors must remain unchanged upon the symmetric operation allowed for the medium. This reduces the number of the independent and nonzero elements of the susceptibility tensors. The most important conclusion from this property is that for all centrosymmetric crystals and isotropic ...
Longitudinal polarization periodicity of unpolarized light passing
... Here, ke is the wave number for an extraordinary wave propagating perpedicularly to the optic axis, whereas kee is the wave number corresponding to an extraordinary wave that travels inside the right wedge in the direction given by βee (see Fig. 1(b)). From Eqs. (13), (14), and (15) it is apparent t ...
... Here, ke is the wave number for an extraordinary wave propagating perpedicularly to the optic axis, whereas kee is the wave number corresponding to an extraordinary wave that travels inside the right wedge in the direction given by βee (see Fig. 1(b)). From Eqs. (13), (14), and (15) it is apparent t ...
Synopses by Kim Larsen
... which breaks up the expression into a beam profile dependent term, a beam and path dependent term, and the figure of merit for the window defined in Equation 1. The only approximation to completely determine the figure of merit is to assume that the surface absorption effects are significantly smal ...
... which breaks up the expression into a beam profile dependent term, a beam and path dependent term, and the figure of merit for the window defined in Equation 1. The only approximation to completely determine the figure of merit is to assume that the surface absorption effects are significantly smal ...
S.6 Phy revision Quiz 1
... 5. An object is placed in front of a concave lens and an image is formed. The image must be ____________, ____________ and ____________. 6. Dispersion occurs when white light passes through a prism. This is because A different colours of light are reflected at different angles. B different colours ...
... 5. An object is placed in front of a concave lens and an image is formed. The image must be ____________, ____________ and ____________. 6. Dispersion occurs when white light passes through a prism. This is because A different colours of light are reflected at different angles. B different colours ...
Linköping University Post Print Optical properties of carbon nanofiber photonic crystals
... of the band structure of the CNF-PC using ellipsometry. The measurements are in good agreement with finite-difference time domain [5] band structure calculations using a refractive index of nCN F = 4.1 for the CNF. It is also shown that the symmetry directions of the samples can be easily detected. ...
... of the band structure of the CNF-PC using ellipsometry. The measurements are in good agreement with finite-difference time domain [5] band structure calculations using a refractive index of nCN F = 4.1 for the CNF. It is also shown that the symmetry directions of the samples can be easily detected. ...
Lab 8: Polarization of Light
... a phase difference between them. However, if light is (i.e. α = 45degrees). Figure 6 illustrates the converincident on the crystal such that the plane of incidence sion of linearly polarized light into circularly polaris parallel to a characteristic direction called the optic ized light. Note that c ...
... a phase difference between them. However, if light is (i.e. α = 45degrees). Figure 6 illustrates the converincident on the crystal such that the plane of incidence sion of linearly polarized light into circularly polaris parallel to a characteristic direction called the optic ized light. Note that c ...
Prof. Lan Yang - Microlasers for Nanoscale
... Optical sensors based on Whispering-Gallery-Mode (WGM) resonators have emerged as front-runners for label-free, ultra-sensitive detection of nanoscale materials and structures due to their superior capability to significantly enhance the interactions of light with the sensing targets. A WGM resonato ...
... Optical sensors based on Whispering-Gallery-Mode (WGM) resonators have emerged as front-runners for label-free, ultra-sensitive detection of nanoscale materials and structures due to their superior capability to significantly enhance the interactions of light with the sensing targets. A WGM resonato ...
... again with a larger distance, a distance L farther away. L is the distance L between your near and far points of observation. For each set, record the lateral displacement d of the laser beam for a series of angles of incidence in 10° steps. Measure t, the thickness of your plate, with a caliper. If ...
High Harmonic Generation
... 1. When the intensity high enough, electrons can tunnel through the barrier into the continuum. This is called first step. 2. The laser field accelerates the electron away from the parent ion and drives it back when the electric field sign is changed. During this process the electron gains kinetic e ...
... 1. When the intensity high enough, electrons can tunnel through the barrier into the continuum. This is called first step. 2. The laser field accelerates the electron away from the parent ion and drives it back when the electric field sign is changed. During this process the electron gains kinetic e ...
The Optics of the Compound Eye of the Honeybee
... mellifera), and with the help of their data we examined the optics of the honeybee's eye as a representative of the closed-rhabdom type. Morphology The optical apparatus of a bee's ommatidium (Fig. 1) consists of a cuticular lens, a crystalline cone, and principal pigment cells. The cuticular lens i ...
... mellifera), and with the help of their data we examined the optics of the honeybee's eye as a representative of the closed-rhabdom type. Morphology The optical apparatus of a bee's ommatidium (Fig. 1) consists of a cuticular lens, a crystalline cone, and principal pigment cells. The cuticular lens i ...
Birefringence
Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light. These optically anisotropic materials are said to be birefringent (or birefractive). The birefringence is often quantified as the maximum difference between refractive indices exhibited by the material. Crystals with asymmetric crystal structures are often birefringent, as are plastics under mechanical stress.Birefringence is responsible for the phenomenon of double refraction whereby a ray of light, when incident upon a birefringent material, is split by polarization into two rays taking slightly different paths. This effect was first described by the Danish scientist Rasmus Bartholin in 1669, who observed it in calcite, a crystal having one of the strongest birefringences. However it was not until the 19th century that Augustin-Jean Fresnel described the phenomenon in terms of polarization, understanding light as a wave with field components in transverse polarizations (perpendicular to the direction of the wave vector).