Writing a superlattice with light forces
... standing light waves. For the λ/ 2 lattice, an interference pattern with four laser beams that were polarized perpendicular to the substrate plane was used. Another way of switching between these two lattice periods is to change the relative phase between the two standing light waves. In the situati ...
... standing light waves. For the λ/ 2 lattice, an interference pattern with four laser beams that were polarized perpendicular to the substrate plane was used. Another way of switching between these two lattice periods is to change the relative phase between the two standing light waves. In the situati ...
homework - Homework Market
... Now let’s try to find a mathematical expression for what we are seeing. First, notice that there is a protractor and intensity meter that can be found in the lower right of the sim. You can grab each by moving your pointer over top of them and clicking on your mouse while moving them in place. For c ...
... Now let’s try to find a mathematical expression for what we are seeing. First, notice that there is a protractor and intensity meter that can be found in the lower right of the sim. You can grab each by moving your pointer over top of them and clicking on your mouse while moving them in place. For c ...
LASERPULSE™ LIGHT ARM FOR PIV MODEL 610015
... elements into a compact, high-quality articulated arm. For PIV applications, the YAG laser beam is delivered through TSI light sheet generation optics attached to the arm exit. The lens system included with the arm offers a choice of several laser sheet divergence angles and light sheet thicknesses. ...
... elements into a compact, high-quality articulated arm. For PIV applications, the YAG laser beam is delivered through TSI light sheet generation optics attached to the arm exit. The lens system included with the arm offers a choice of several laser sheet divergence angles and light sheet thicknesses. ...
Refractive index
... The absolute refractive index is defined as a ratio of the speed of light in vacuum and in selected medium. Generally, the refractive index depends on the wavelength of incident light. Relative refractive index is defined as a ratio of speeds of light in two different media. Usually it characterizes ...
... The absolute refractive index is defined as a ratio of the speed of light in vacuum and in selected medium. Generally, the refractive index depends on the wavelength of incident light. Relative refractive index is defined as a ratio of speeds of light in two different media. Usually it characterizes ...
Essential Questions and Answers: What is light? Light is a form of
... spreading out those light rays that have been refracted through it. A concave lens is thinner at its centre than at its edges. Concave lenses work to make something look smaller, so they’re not quite as common as convex (magnifying) lenses. But they’re still used in a lot of different things. For ex ...
... spreading out those light rays that have been refracted through it. A concave lens is thinner at its centre than at its edges. Concave lenses work to make something look smaller, so they’re not quite as common as convex (magnifying) lenses. But they’re still used in a lot of different things. For ex ...
P5G
... Light waves change speed when they pass across the boundary between two substances with different densities, such as air and glass. This causes them to change direction and this effect is called refraction. ...
... Light waves change speed when they pass across the boundary between two substances with different densities, such as air and glass. This causes them to change direction and this effect is called refraction. ...
Magneto-Optic Kerr Effect
... Lasers are typically used for MOKE experiments. When lasers are used with PEMs an effect called “modulated interference” may be present.4 Since the MOKE AC signals are typically very weak, great care must be taken to eliminate or reduce these effects. Useful techniques include: 1) use of anti-reflec ...
... Lasers are typically used for MOKE experiments. When lasers are used with PEMs an effect called “modulated interference” may be present.4 Since the MOKE AC signals are typically very weak, great care must be taken to eliminate or reduce these effects. Useful techniques include: 1) use of anti-reflec ...
Reflect/Refract
... Dispersion •The speed of light in a material can depend on frequency •Index of refraction n depends on frequency •Confusingly, its dependence is often given as a function of wavelength in vacuum •Called dispersion •This means that different types of light bend by different amounts in any given mate ...
... Dispersion •The speed of light in a material can depend on frequency •Index of refraction n depends on frequency •Confusingly, its dependence is often given as a function of wavelength in vacuum •Called dispersion •This means that different types of light bend by different amounts in any given mate ...
Polarimetric imaging of crystals - Werner Kaminsky
... Classical crystal optics has recently undergone a renaissance as developments in optical microscopy and polarimetry, enabled in part by sensitive imaging CCD cameras and personal computers, now permit the analytical separation of various optical effects that are otherwise convolved in polarized ligh ...
... Classical crystal optics has recently undergone a renaissance as developments in optical microscopy and polarimetry, enabled in part by sensitive imaging CCD cameras and personal computers, now permit the analytical separation of various optical effects that are otherwise convolved in polarized ligh ...
TAP 322- 3: Grating calculations
... The longest visible wavelength is that of red light with = 750 nm. The shortest visible wavelength is violet where = 400nm. Use this information to calculate the width of the angle into which the first-order spectrum is spread out when white light is shone onto the grating. ...
... The longest visible wavelength is that of red light with = 750 nm. The shortest visible wavelength is violet where = 400nm. Use this information to calculate the width of the angle into which the first-order spectrum is spread out when white light is shone onto the grating. ...
4.6.2 Reflection, Refraction, Diffraction
... • So far we have mainly studied how to confine light using PhCs. • There are also interesting effects associated with free propagation of waves in and around PhCs. • Consider the case when an incident plane wave strikes an interface of a PhC • Some light will be reflected at the interface • Some lig ...
... • So far we have mainly studied how to confine light using PhCs. • There are also interesting effects associated with free propagation of waves in and around PhCs. • Consider the case when an incident plane wave strikes an interface of a PhC • Some light will be reflected at the interface • Some lig ...
Critical angle - Kelso High School
... showing this. 9. What is the critical angle? 10. What is diffraction? Why do radio waves diffract around hills that block TV waves? 11. Waves have the following properties – reflection, diffraction, refraction and interference. Can particles be reflected, diffracted and refracted? We will find out a ...
... showing this. 9. What is the critical angle? 10. What is diffraction? Why do radio waves diffract around hills that block TV waves? 11. Waves have the following properties – reflection, diffraction, refraction and interference. Can particles be reflected, diffracted and refracted? We will find out a ...
Physics 476LW Advanced Physics Laboratory The Faraday Effect
... He conducted a series of experiments that he hoped would demonstrate that in fact light and electromagnetic radiation were related. Experiments with static electricity failed but when he passed light through flint glass in a magnetic field he discovered that the plane of linearly polarized light was ...
... He conducted a series of experiments that he hoped would demonstrate that in fact light and electromagnetic radiation were related. Experiments with static electricity failed but when he passed light through flint glass in a magnetic field he discovered that the plane of linearly polarized light was ...
a collection of problems about light rays, refraction and rainbows
... on a circle subtending χm to the eye with the Sun shining perpendicular to the circle will contribute equally (hence the “bow”). But some drops might be below the horizon! (i) Discuss, with diagrams, what fraction of a complete bow one can see at different times of day. (ii) What ways are there of s ...
... on a circle subtending χm to the eye with the Sun shining perpendicular to the circle will contribute equally (hence the “bow”). But some drops might be below the horizon! (i) Discuss, with diagrams, what fraction of a complete bow one can see at different times of day. (ii) What ways are there of s ...
Section 3: Electromagnetic Waves 1
... revelation it was in Maxwell's time! Remember how ε 0 and µ0 came into the theory in the first place: they were constants in Coulomb's law and the Biot-Savart law, respectively. You measure them in experiments involving charged pith balls, batteries, and wires—experiments having nothing whatever to ...
... revelation it was in Maxwell's time! Remember how ε 0 and µ0 came into the theory in the first place: they were constants in Coulomb's law and the Biot-Savart law, respectively. You measure them in experiments involving charged pith balls, batteries, and wires—experiments having nothing whatever to ...
Optical Low-pass Filter
... ne : Refractive index of an extraordinary beam no : Refractive index of an ordinary beam t : Thickness of a phase plate λ : Design wavelength ...
... ne : Refractive index of an extraordinary beam no : Refractive index of an ordinary beam t : Thickness of a phase plate λ : Design wavelength ...
What is light? For the purposes of this class, light will refer to visible
... imaginary line called the normal line which is perpendicular to the surface of the mirror. The angle between the incident ray and the normal line is called the angle of incidence. The angle of reflection is the angle between the normal line and the reflected ray. ...
... imaginary line called the normal line which is perpendicular to the surface of the mirror. The angle between the incident ray and the normal line is called the angle of incidence. The angle of reflection is the angle between the normal line and the reflected ray. ...
polarization_magnifier
... sight, one might expect that 0 since for a single pass propagation through the plate, the phase shift is the same for parallel and perpendicular polarizations. However, experimentally, a linear incident polarization acquires an ellipticity after crossing such a pile of parallel plates, showing ...
... sight, one might expect that 0 since for a single pass propagation through the plate, the phase shift is the same for parallel and perpendicular polarizations. However, experimentally, a linear incident polarization acquires an ellipticity after crossing such a pile of parallel plates, showing ...
Synthesis of highly focused fields with circular
... requirements of a specific problem [10]. Interestingly, several authors described inverse methods to find the pupil function from a predetermined field distribution in the focal area [11, 12]. Light shaping can be accomplished by using an optical setup able to generate beams with arbitrary polariza ...
... requirements of a specific problem [10]. Interestingly, several authors described inverse methods to find the pupil function from a predetermined field distribution in the focal area [11, 12]. Light shaping can be accomplished by using an optical setup able to generate beams with arbitrary polariza ...
Holographic Metalens for Switchable Focusing of Surface Plasmons
... SPPs from the nanoslits are not a serious factor in the performance of the device, as the model does not take this into account. Furthermore, an effective numerical aperture (NA) can be defined according to NA = (λSPP/πw) where 2w is the full width at half-maximum of the beam at the focus. The effectiv ...
... SPPs from the nanoslits are not a serious factor in the performance of the device, as the model does not take this into account. Furthermore, an effective numerical aperture (NA) can be defined according to NA = (λSPP/πw) where 2w is the full width at half-maximum of the beam at the focus. The effectiv ...
Lecture 1/ Chapter 1/ Measurements
... - HW 8 due today - HW 9 given out In chapter 34, we considered the propagation of light along a straight path Ray Optics”. However we learned in chapter 33, that light is an electromagnetic wave. This means that it must undergo interference and diffraction just like a mechanical wave. In this chap ...
... - HW 8 due today - HW 9 given out In chapter 34, we considered the propagation of light along a straight path Ray Optics”. However we learned in chapter 33, that light is an electromagnetic wave. This means that it must undergo interference and diffraction just like a mechanical wave. In this chap ...
Youngs Double Slit
... What do you see? The interference pattern can only occur when the light diffracted by the two slits is coherent or in phase with each other. Coherence can be achieved with a laser, however Thomas Young performed this experiment in 1801 and did not have access to such a device. Instead Young used the ...
... What do you see? The interference pattern can only occur when the light diffracted by the two slits is coherent or in phase with each other. Coherence can be achieved with a laser, however Thomas Young performed this experiment in 1801 and did not have access to such a device. Instead Young used the ...
PDF
... push–pull method. It is arranged between the polarized beam splitter and the cylindrical lens. It should be noted that the cylindrical lens generates a focusing error signal using the astigmatic method. Figure 2 illustrates a schematic diagram of the laser beam diffraction in which the beam is diffr ...
... push–pull method. It is arranged between the polarized beam splitter and the cylindrical lens. It should be noted that the cylindrical lens generates a focusing error signal using the astigmatic method. Figure 2 illustrates a schematic diagram of the laser beam diffraction in which the beam is diffr ...
Polarizer
A polarizer or polariser is an optical filter that passes light of a specific polarization and blocks waves of other polarizations. It can convert a beam of light of undefined or mixed polarization into a beam with well-defined polarization, polarized light. The common types of polarizers are linear polarizers and circular polarizers. Polarizers are used in many optical techniques and instruments, and polarizing filters find applications in photography and liquid crystal display technology. Polarizers can also be made for other types of electromagnetic waves besides light, such as radio waves, microwaves, and X-rays.