Chapt23_VG0
... based on the way our eyes and brain work. For example combinations of light with different wavelengths appear to have colors different from those of the original components. See Chapter 24.3 ...
... based on the way our eyes and brain work. For example combinations of light with different wavelengths appear to have colors different from those of the original components. See Chapter 24.3 ...
Chapter 7:
... •optical communications, data transmitted to intensity, time between pulses and length of a pulse. •signal must be maintained so that a detectable signal still exists at other end of the cable (sometimes km) effort spent at reducing energy loss in commercial optical fibers •laser beam diverges less ...
... •optical communications, data transmitted to intensity, time between pulses and length of a pulse. •signal must be maintained so that a detectable signal still exists at other end of the cable (sometimes km) effort spent at reducing energy loss in commercial optical fibers •laser beam diverges less ...
GRADE 10 SA2 PHYSICS revision worksheet-2
... 2. (a) Draw a ray diagram showing the path of a ray of light when it enters with oblique incidence (i) from air into water (ii) from water into air (b) Under what condition in an arrangement of two plane mirrors, incident ray and reflected ray will always be parallel to each other, whatever may be t ...
... 2. (a) Draw a ray diagram showing the path of a ray of light when it enters with oblique incidence (i) from air into water (ii) from water into air (b) Under what condition in an arrangement of two plane mirrors, incident ray and reflected ray will always be parallel to each other, whatever may be t ...
of Refraction 2.0
... passes through the cell twice, the optical path length is 2nL. The air will be removed from this cell, changing the refractive index, n. The other beam passes through the same length of air, but with no cell in that beam, the pressure will remain constant. If the refractive index changes by Δn, the ...
... passes through the cell twice, the optical path length is 2nL. The air will be removed from this cell, changing the refractive index, n. The other beam passes through the same length of air, but with no cell in that beam, the pressure will remain constant. If the refractive index changes by Δn, the ...
3.7 Dielectrics and Optics 3.7.1 Basics
... What we have is an electromagnetic wave, an incident beam (traveling in vacuum to keep things easy), which impinges on our dielectric material. As a result we obtain a reflected beam traveling in vacuum and a refracted beam which travels through the material. What do we know about the three beams? T ...
... What we have is an electromagnetic wave, an incident beam (traveling in vacuum to keep things easy), which impinges on our dielectric material. As a result we obtain a reflected beam traveling in vacuum and a refracted beam which travels through the material. What do we know about the three beams? T ...
Document
... Refraction is the bending of a beam of light when it enters a dielectric. The physical reason for this is that the velocity of light is different inside the dielectric. We are used to this happening in water or glass but in crystals the situation can be more complex when crystals are anisotropic. We ...
... Refraction is the bending of a beam of light when it enters a dielectric. The physical reason for this is that the velocity of light is different inside the dielectric. We are used to this happening in water or glass but in crystals the situation can be more complex when crystals are anisotropic. We ...
The Michelson Interferometer
... nm. The number of visible fringes is counted, and this gives us 2n at once. Hence, from the measurements, ...
... nm. The number of visible fringes is counted, and this gives us 2n at once. Hence, from the measurements, ...
Exam 1 (Chapters 1-4)
... 6. A thin film floating on water (n = 1.33) is observed to be bright near the edges where it is thinnest. What can be concluded about the index of refraction of this film? 1. n < 1.33 2. n > 1.33 3. n = 1.33 ...
... 6. A thin film floating on water (n = 1.33) is observed to be bright near the edges where it is thinnest. What can be concluded about the index of refraction of this film? 1. n < 1.33 2. n > 1.33 3. n = 1.33 ...
Effect of temperature on the refractive index and Kerr effect of the
... constant (or quadratic electrooptic coefficient) has to be determined. This work presents subsequent results related to our attempts to find an extensive set of immersion liquids with different refractive indices and viscosities useful to increase the sensitivity of measurements. The investigations ...
... constant (or quadratic electrooptic coefficient) has to be determined. This work presents subsequent results related to our attempts to find an extensive set of immersion liquids with different refractive indices and viscosities useful to increase the sensitivity of measurements. The investigations ...
Chromatic Dispersion
... will have droplets of each phase within the other. Because it’s unlikely that two liquids suited to this purpose will have the same density, one will typically sit atop the other. There will be an effective dispersion only near the interface unless the phases are vigorously mixed, or if the lighter ...
... will have droplets of each phase within the other. Because it’s unlikely that two liquids suited to this purpose will have the same density, one will typically sit atop the other. There will be an effective dispersion only near the interface unless the phases are vigorously mixed, or if the lighter ...
RAY OPTICS notes
... The angle of reflection (i.e., the angle between reflected ray and the normal to the reflecting surface or the mirror) equals the angle of incidence (angle between incident ray and the normal). ...
... The angle of reflection (i.e., the angle between reflected ray and the normal to the reflecting surface or the mirror) equals the angle of incidence (angle between incident ray and the normal). ...
Velocity of sound in liquids
... To determine the wavelength of sound in liquids, and from this calucate the sound velocity, from the structure of the centrally projected image. Set-up and procedure Fig. 1 shows the experiment set-up. The glass cell is 2/3 full of liquid, and the sound head is immersed in it to a depth of a few mil ...
... To determine the wavelength of sound in liquids, and from this calucate the sound velocity, from the structure of the centrally projected image. Set-up and procedure Fig. 1 shows the experiment set-up. The glass cell is 2/3 full of liquid, and the sound head is immersed in it to a depth of a few mil ...
Reflection,Refraction, Lenses
... Refraction doesn't happen if the waves cross the boundary at an angle of 90° (called the normal) - in this case, they carry straight on. The refraction follows a regular patterns: When a wave passes from a less dense medium to a more dense medium such as air to glass the ray slows down and moves tow ...
... Refraction doesn't happen if the waves cross the boundary at an angle of 90° (called the normal) - in this case, they carry straight on. The refraction follows a regular patterns: When a wave passes from a less dense medium to a more dense medium such as air to glass the ray slows down and moves tow ...
Principles of light guidance
... Shortest Path (physically) travels through the highest index region and is therefore slow. Longest Path (physically) travels through lower index some of the time and is faster With the correct graded index profile, all rays can have identical transit times, eliminating multimode dispersion !! Cautio ...
... Shortest Path (physically) travels through the highest index region and is therefore slow. Longest Path (physically) travels through lower index some of the time and is faster With the correct graded index profile, all rays can have identical transit times, eliminating multimode dispersion !! Cautio ...
Non-linear Optics
... The polarisation, P, can be described in terms of the susceptibility tensor, χ. We can include any nonlinear response of the medium as shown below. Note that in general the electric field and the polarisation need NOT be collinear. ...
... The polarisation, P, can be described in terms of the susceptibility tensor, χ. We can include any nonlinear response of the medium as shown below. Note that in general the electric field and the polarisation need NOT be collinear. ...
Precision High Numerical Aperture Scanning System for
... occurs in the focal region of the laser and is dependent on the speed the focal region is travelling through the material and power in the laser. In order to write efficiently, it is crucial to be able to reach scan speeds of up to 200 mm/s with reliable and consistent knowledge of the speed and pos ...
... occurs in the focal region of the laser and is dependent on the speed the focal region is travelling through the material and power in the laser. In order to write efficiently, it is crucial to be able to reach scan speeds of up to 200 mm/s with reliable and consistent knowledge of the speed and pos ...
A list of some commonly used formulas in optics
... In the figure below the 1/e radius, ω(x), and the wavefront curvature, R(x), change with x through a beam waist at x = 0. The ...
... In the figure below the 1/e radius, ω(x), and the wavefront curvature, R(x), change with x through a beam waist at x = 0. The ...
Negative refraction and Negative refractive index
... less than the imaginary extraordinary index. The critical angle of the wave vector is defined by comparing the wave vector in the incident medium with that in the uniaxial medium. The critical angle θ c satisfies the equality between the parallel-to-interface components of the wave vector in the uni ...
... less than the imaginary extraordinary index. The critical angle of the wave vector is defined by comparing the wave vector in the incident medium with that in the uniaxial medium. The critical angle θ c satisfies the equality between the parallel-to-interface components of the wave vector in the uni ...
The refractive index is constant
... The amount of light reflected depends upon the Refractive indices and the angle of incidence. We can get Rid of the angle of transmittence using Snell’s Law ...
... The amount of light reflected depends upon the Refractive indices and the angle of incidence. We can get Rid of the angle of transmittence using Snell’s Law ...
Optical Mineralogy: Introduction
... maximum illumination. Note that this is the opposite of regular interference discussed earlier, the reasons being that the two waves are vibrating in perpendicular directions, and that we still have to deal with an additional layer represented by the analyzer. When white light is used instead of mon ...
... maximum illumination. Note that this is the opposite of regular interference discussed earlier, the reasons being that the two waves are vibrating in perpendicular directions, and that we still have to deal with an additional layer represented by the analyzer. When white light is used instead of mon ...