Q: An optical fiber with core radius = 62µm, n; = 1.49, ną = 1.45. If the time delay the longest and shortest paths = 68.506nsec. a) What is the fiber type? b) Calculate the fiber length. c) Calculate the critical angle. d) Calculate the numerical aperture. e) In this fiber, what is the main reason of dispersion? What is the effect of dispersion on this optical communication system? What do you suggest to do to reduce the dispersion effect?

Q: An optical fiber with core radius = 62µm, n; = 1.49, ną = 1.45. If the time delay the longest and shortest paths = 68.506nsec. a) What is the fiber type? b) Calculate the fiber length. c) Calculate the critical angle. d) Calculate the numerical aperture. e) In this fiber, what is the main reason of dispersion? What is the effect of dispersion on this optical communication system? What do you suggest to do to reduce the dispersion effect?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 102AP: Radio telescopes are telescopes used for the detection of radio emission from space. Because radio...

See similar textbooks

Similar questions

Question 4 te p rieipee Adleet yret haslieparatm divtance ol 0.de mm. The fint height fringe ppcas S mm aluve the middle of the central hright fimer, when the alita are ithamatef with a laner of wavelength S12 n. What in the dstance to the sTEn from the slitu? O 0,65 m O n45 m O 0.77 m O 1.12 m O 0.56 m
Question 5 1 pts A low-PRF radar has a PRF of 350 pps and an illumination pulse width of 5.0 us. The range bins are 5.0 με wide and there is no pulse compression. Azimuth bins are 1.2° wide. A target occurs in the 341st range bin. How far must the 200-km target move in azimuth cross-range before the motion is detected? O 4.2m O 4200m O 7500m O 0.042m
In the spectrophotometer, the light source is an important parameter. For differentspectrophometer we have studied number of different light sources. Suggest the effect ofwavelength, wavenumber and frequency on the light source. Is it necessary to usedmonochromatic light for spectrophometer analysis? What will happen, if we used differentslits widths for quantitative and qualitative analyses?
Q19: 1. A radar has a pulse length of t = 10 µs, an azimuth beamwidth 03 = 3°, and an elevation beamwidth 3 = 3°. At what grazing angle & does the transition occur between the pulse-limited and beam-limited ground clutter cases when the nominal range to the ground is R = 10 km? Repeat for R = 50 km. 2. For the same radar used in problem 1, what is the volume V in cubic meters of a volume clutter resolution cell at R = 10 km? Repeat for R = 50 km.
When the mean optical power of 120 µW is used as an input to a fiber of length 8km, the mean optical power at the fiber output is 3 µW. Determine: a) The overall signal attenuation in decibels through the fiber. b) The signal attenuation per kilometer for the fiber. c) The numeric input/output ratio in (a). d) The overall signal attenuation when using the same fiber with splices at 1km intervals each giving an attenuation of 1dB.
Q/ Inter face the following analog signal to Micro contro ller using 3 Input \- Signal o-0.5,0.1% sensitivity, f- 50Hz 2. SignaL o- lomu, o.5% sensitivity, f=20 Hz %3D 3. Signal o - 20v o- 5 % Sensitivity, floo byte
A double sit interference patten is created by two narew ss spaced 0.10 mn apart The distance between the fist and the fh minimum nn a sereen 56 em behind the sli is m Part A What is the wavetergh ) of the gt ed pent Ymu may want to review (Pag2 A 508.47 Subint Bs As est X Incorrect; Try Again
A beam of light with wavelength of 1.00 µm and M2 = 20 is incident on an aperture of 1.5 mm diameter. a) Calculate the divergence angle of the beam in degrees (give the cone full-angle). b) Calculate the diameter of the beam at a distance of 10.00 m away from the aperture in the propagation direction in units of cm. c) It is given that the longitudinal (temporal) coherence length is 70 times the transverse (spatial) coherence length. Calculate the wavelength linewidth of the light in units of pm.a
15-15. Determine the power gain and beamwidth for an end-fire helical antenna with the following parameters: helix diameter = 0.1 m, number of turns = 10, pitch = 0.05 m, and frequency of operation = 500 MHz.
What is the longest wavelength that can be observed in thethird order for a transmission grating having 1500slits/cm? Assumenormal incidence.
a on (0) light is incident per pendicularly sus pended in air. The shortest thick ness thin The wavelength of of light tilm that produces fully cons tructive in terferen ce of refe cted is 500nm. the light iS 0.1 What is the in dix of re fra ction of the thin film ?
Determine the diameter of a paraboloidal reflector required to produce a beam of 15o width at 1.5 GHz.