Homework Answers
The
required value of Reflectivity and transmitivity is obtained as in
the box. The Frasnels equation is being used. Thank you. Please
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1. Calculate the optical reflectivity and transmittivity (defined as the fraction of the incident power that...
The refractive index of water is 433... – Determine the reflectivity for a light beam incident...
The refractive index of water is 433... – Determine the reflectivity for a light beam incident from air to a water surface at normal incidence.
(2 points) Optical fibers are made of glass, where light is trapped inside the fiber by...
(2 points) Optical fibers are made of glass, where light is trapped inside the fiber by total internal reflection. This example is not a fiber geometry and doesn't include the gradations in refractive index that are used, but still illustrates the point of total internal reflection. Suppose you have a piece of glass, with light incident from the glass side toward an air interface. The refractive index of the glass is 1.45. What is the critical angle where all light...
Un-polarized light in air is incident upon Lucite (refraction index of 1.50) in such that the...
Un-polarized light in air is incident upon Lucite (refraction index of 1.50) in such that the reflected light is horizontally polarized. Calculate thefollowing ,00 A a. The incident angle of the light from the surface normal. 27M b. The angle relative to normal of the light entering the Lucite く.so) er
2. A block of plastic with refractive index np-1.68 is immersed in oil (no-1.516). Randomly polarized...
2. A block of plastic with refractive index np-1.68 is immersed in oil (no-1.516). Randomly polarized light (ie, 50% s-polarization and 50% p-polarization) is incident from the oil towards the plastic at an angle of 65" to the normal. a) What percentage of the p-polarized component of the light is reflected off the plastic? b) What percentage of the total incident power of the light is transmitted into the block? c) What is the ratio of the s-polarized reflected power...
Project (2) Read the manual When unpolarized light is incident on the surface of (say) glass...
Project (2) Read the manual When unpolarized light is incident on the surface of (say) glass at the Brewster angle, the reflected light is polarized with its polarization parallel to the surface of the glass. The Brewster angle is given by Tan(O) = n where n is the refractive index of glass. The material need not be glass; it could be plastic, water etc. (any smooth transparent material is fine). Exercise: (1) The Brewster angle in the experiment is found...
Question: In this problem you will be considering Brewster's angle. Light travelling through a medium with...
Question: In this problem you will be considering Brewster's angle. Light travelling through a medium with refractive index ni = 1.09 is incident at an angle lº to the normal on a medium with refractive index n2 = 1.45. A n2 Figure 1. Polarised light travelling through a medium with refractive index ny is incident at an angle 0 (to the normal) on a block with refractive index n2. Part 1) What is Brewster's angle OB in this case? OB=...
A block of glass with flat sides is surrounded by air. A ray of light traveling...
A block of glass with flat sides is surrounded by air. A ray of light traveling in the glass (refractive index na) is incident on the flat interface with air at the top surface of the block of glass. You observe that no light is refracted into the air if the incident ray in the glass has an angle of incidence (measured relative to the normal to the surface of the glass) greater than 35.5°. What is the refractive index...
A plastic film of refractive index 1.6 is applied to the surface of a car window...
A plastic film of refractive index 1.6 is applied to the surface of a car window to increase the reflectivity and keep the car's interior cooler. The window glass has index of refraction 1.54. What minimum thickness is required if light of wavelength 526nm in air reflected from the two sides of the film is to interfere constructively? Give your answer in nm with two digits after the decimal.
A ray of light traveling in air is incident on the flat surface of a piece...
A ray of light traveling in air is incident on the flat surface of a piece of glass at an angle of 64.0° with respect to the normal to the surface of the glass. If the ray refracted into the glass makes an angle of 34.3° with respect to the normal, what is the refractive index of the glass?
A laser beam in air is incident on a glass window at an angle of 30.0°...
A laser beam in air is incident on a glass window at an angle of 30.0° from the normal. Some of the light is reflected at the air-glass boundary and some of it is refracted. The index of refraction of the glass is n = 1.69. At what angle from the normal does the refracted light travel through the glass? Incorrect. Tries 1/20 Previous Tries What is the speed of the light in the glass?
The refractive index of water is 433... – Determine the reflectivity for a light beam incident from air to a water surface at normal incidence.
(2 points) Optical fibers are made of glass, where light is trapped inside the fiber by total internal reflection. This example is not a fiber geometry and doesn't include the gradations in refractive index that are used, but still illustrates the point of total internal reflection. Suppose you have a piece of glass, with light incident from the glass side toward an air interface. The refractive index of the glass is 1.45. What is the critical angle where all light...
Un-polarized light in air is incident upon Lucite (refraction index of 1.50) in such that the reflected light is horizontally polarized. Calculate thefollowing ,00 A a. The incident angle of the light from the surface normal. 27M b. The angle relative to normal of the light entering the Lucite く.so) er
2. A block of plastic with refractive index np-1.68 is immersed in oil (no-1.516). Randomly polarized light (ie, 50% s-polarization and 50% p-polarization) is incident from the oil towards the plastic at an angle of 65" to the normal. a) What percentage of the p-polarized component of the light is reflected off the plastic? b) What percentage of the total incident power of the light is transmitted into the block? c) What is the ratio of the s-polarized reflected power...
Project (2) Read the manual When unpolarized light is incident on the surface of (say) glass at the Brewster angle, the reflected light is polarized with its polarization parallel to the surface of the glass. The Brewster angle is given by Tan(O) = n where n is the refractive index of glass. The material need not be glass; it could be plastic, water etc. (any smooth transparent material is fine). Exercise: (1) The Brewster angle in the experiment is found...
Question: In this problem you will be considering Brewster's angle. Light travelling through a medium with refractive index ni = 1.09 is incident at an angle lº to the normal on a medium with refractive index n2 = 1.45. A n2 Figure 1. Polarised light travelling through a medium with refractive index ny is incident at an angle 0 (to the normal) on a block with refractive index n2. Part 1) What is Brewster's angle OB in this case? OB=...
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