What is the polarizaton type? Ē (z,t) =7400 cos(3-107t-y-0.5m) + R200 cos(3-10't-y) O a. right circularly polarized O b. left circularly polarized
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- 8. Unpolarized light with an intensity of 110 is passed through two filters. The first has an axis of т? polarization that is horizontal. The second has an axis of polarization 30° above the horizontal. a. What is the intensity of light after the first filter? b. What is the intensity of light after the second filter? 6.Physics Polarization: Derive the Jones matrix for an E-field before it hits a linear polarizer that is polarized in the x-direction and the E-field after. Now derive the Jones matrix for anunpolarized E-field after it hits a quater wave plate and half wave plate.An electromagnetic beam has an intensity 16W/m2 and is linearly polarized vertically. What is the intensity of the transmitted beam, if the angle of incidence on the polaroid is 45 degrees with the vertical? Choose the correct answer: a. 8W/m b. 12W/m c. 16W/m d. 20W/m
- hw; a, b, cq1 = 2.5uC and q2 = 3.75 uC are separated by a horizontal distance r = 50 cm. Calculate the Electric Field Intensity in the midpoint r = 25 cmQuestion A1 A HeNe laser emits a light beam of wavelength 633 nm in air, with a beam diameter of 3 mm and emitted power of 25 mW. Evaluate: i) the wavenumber ko, ii) the angular frequency w, and iii) the peak amplitude of the electric field E in the laser spot (you may assume beam divergence due to diffraction is negligible). Give the appropriate SI units in each case.
- = In the figure, initially unpolarized light is sent into a system of three polarizing sheets whose polarizing directions make angles of 01: 33°, 02 = 25°, and 03 = 49° with the direction of the y axis. What percentage of the light's initial intensity is transmitted by the system? Number Units >in the +z direction. In what direction does the wave propagate? Direction: and c: (u) sIXEÁ -5- 0 Rank in order, from largest to smallest, the magnitude of the electric field at location a, b, 5 10- Si 20 Order: -15 f) of the rays. 600 -10 O C 800 1000 F 400 200 5 1000 1200 C 0 xaxis (m) FO -1200 a Draw the ray paths (any 2 rays) and locate the image. Make sure to include the direction 1000 - 800 Describe the image. Circle the correct answer - 200 600 - 400 g) Draw the ray paths (any 2 rays) and the image. Make sure to include the direction of the rays. Describe the image by circling the correct answer below. عليك FUnpolarized light, of intensity Io is incident on a pair of polarizers as shown below. The trans- mission axis of the first polarizer is vertical. The transmission axis of the second polarizer is unknown. Unpolarized light, intensity lo X Observer Polarizers (a) What should be the orientation of the second polarizer such that no light reaches the observer. If this is not possible, say so explicitly. (b) What should be the orientation of the second polarizer such that light of intensity Io/2 reaches the observer. If this is not possible, say so explicitly.
- 19. A laser uniformly illuminates an area with green light that has an average intensity of 550 W/m2. What is the rms value of the electric field of this light? A) 322 N/C B) 405 N/C C) 455 N/C D) 643 N/C E) 891 N/C Ans: CUnpolarized light with intensity 200 W/m^2 travelling to the right, is incident on the left-most polarizer and goes through all three polarizers of the figure. The dotted lines are the axes of polarization of each polarizer a) What is the intensity of light leaving the left-most polarizer? b) If the middle polarizer has an axis of polarization θ2 = 75º clockwise from the vertical (viewed in the direction the light is travelling), what is the intensity of light leaving the middle polarizer? c) If the right-most polarizer has an axis of polarization θ1 = 25º counterclockwise from the vertical (viewed in the direction the light is travelling), what is the intensity of light leaving the right-most polarizer?Physics Polarization: Write down the equations of an unpolarized E field before it hits a linear polarizer that is polarized in the x-direction. What are the E field equations after the linear polarization? I'm having extreme difficulty on this problem, need some guidance.