3. An instantaneous pulse travels through a SM fiber that is 50 Km long. The fiber has a chromatic dispersion of 9 ps/nm...
3. An instantaneous pulse travels through a SM fiber
that is 50 Km long. The fiber has a chromatic
dispersion of 9 ps/nm-km. The laser source has a spectral width of
0.5 nm. What is the length of
the pulse at the end?
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3. An instantaneous pulse travels through a SM fiber that is 50 Km long. The fiber has a chromatic dispersion of 9 ps/nm...
1. An instantaneous pulse travels through 25 km of MM fiber with a total dispersion of...
1. An instantaneous pulse travels through 25 km of MM fiber with a total dispersion of 9ns/km. What is the pulse length at the end of the fiber?
8. A 1550 nm optical link uses a standard single-mode fiber with dispersion parameter of 4 ps/nm/km (Chromatic Dispersion), and a laser source with a linewidth of 0.5 nm. Assuming the link carrier is...
8. A 1550 nm optical link uses a standard single-mode fiber with dispersion parameter of 4 ps/nm/km (Chromatic Dispersion), and a laser source with a linewidth of 0.5 nm. Assuming the link carrier is a 10 Gbits/s binary signal, estimate the maximum length of optical fiber required before dispersion compensation is required. (Assume the maximum spread is half the time interval between each bit).
6. A single mode fiber has a material dispersion of 18 ps/nm-km and a waveguide dispersion...
6. A single mode fiber has a material dispersion of 18 ps/nm-km and a waveguide dispersion of -15 ps/nm-km. What is the total chromatic dispersion?
A fiber manufacturer specifies a PMD coefficient of 0.05 ps km-1/2. (a) What is the average Differential Group Delay, DGD, after transmission through 200 Km of this fiber. (b) What is the average puls...
A fiber manufacturer specifies a PMD coefficient of 0.05 ps km-1/2. (a) What is the average Differential Group Delay, DGD, after transmission through 200 Km of this fiber. (b) What is the average pulse spread after transmission through 200 Km of this fiber. (c) What is the estimate for maximum Bitrate of data that can be transmitted through this fiber if the only dispersion mechanism was PMD? (c) What is the bit period for 10 Gb/s of data? (d) If...
Problem 3 (25 points) A silicon photodetector has an internal photo responsivity of 0.5 A/Wt wavelength of 850 nm. When photons of wavelength 850 nm are incident normally on this photodetector, so...
Problem 3 (25 points) A silicon photodetector has an internal photo responsivity of 0.5 A/Wt wavelength of 850 nm. When photons of wavelength 850 nm are incident normally on this photodetector, some photons are reflected back and some photons penetrate to the detection region and are absorbed by the photodetector. (a) The index of refraction of silicon is 3.45. If the electric current measured by this photodetector is 20 mA, what is the incident optical power? (b) Silicon has a...
plz ans as sonn as possible thanks DQuestion 8 10 pts An 11 km long graded-index...
plz ans as sonn as possible
thanks
DQuestion 8 10 pts An 11 km long graded-index multimode fibre has an optical bandwidth distance product of 2.1 GHz.km. What is the total fibre dispersion per kilometre for the multimode fibre? 178.6 ps/kon 893.6 ps/km 209.5 ps/rn 980.75 ps/km 8.11 ps/km 81.85 ps/km D Question 9 10 pts A fibre has a total rms pulse broadening of 3.5 ns. The laser and photodetector connected to either end of the fibre have bandwidths...
#1, A 3-phase, 60-Hz transmission line is 50 km long and has r -o20 Ohms/km and...
#1, A 3-phase, 60-Hz transmission line is 50 km long and has r -o20 Ohms/km and x-0.50 Ohms/km. The load at the receiving end of the line is 2.5 Mw at a power factor of 0.9 leading. (i)Compute the impedance of the line, Zline * at the lad tole, the lad wi e . (ii)Find the sending end current, I, as 33nv lhe to tine Van-eerene (ii) What is the sending end voltage, V,? (iv)What is the real power, P...
1) 2) 3) PROJECT #1 (2.5 Marks): The heat that is conducted through a body must...
1)
2)
3)
PROJECT #1 (2.5 Marks): The heat that is conducted through a body must frequently be removed by other heat transter processes. For example, the heat generated in an electronic device must be dissipated to the surroundings through convection by means of fins. Consider the one-dimensional aluminum fin (thickness t 3.0 mm, width Z 20 cm, length L) shown in Figure 1, that is exposed to a surrounding fluid at a temperature 1. The conductivity of the aluminum...
Could you please answer these questions 1- ++++++++ 2- +++++++ 3- +++++++ 4- ++++++++++++++ 5- ++++++++++...
Could you please answer these questions
1-
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2-
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3-
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4-
++++++++++++++
5-
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6-
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7-
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8-
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Calculate the average density of the following astronomical body: Mars. Mars = kg/m3 Where does the value fit among those listed in the table below? Look up the density of a typical rock, such as granite in another source and compare the density of Mars to it. A proton, which is the nucleus of a hydrogen atom,...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...
Problem 3 (25 points) A silicon photodetector has an internal photo responsivity of 0.5 A/Wt wavelength of 850 nm. When photons of wavelength 850 nm are incident normally on this photodetector, some photons are reflected back and some photons penetrate to the detection region and are absorbed by the photodetector. (a) The index of refraction of silicon is 3.45. If the electric current measured by this photodetector is 20 mA, what is the incident optical power? (b) Silicon has a...
plz ans as sonn as possible
thanks
DQuestion 8 10 pts An 11 km long graded-index multimode fibre has an optical bandwidth distance product of 2.1 GHz.km. What is the total fibre dispersion per kilometre for the multimode fibre? 178.6 ps/kon 893.6 ps/km 209.5 ps/rn 980.75 ps/km 8.11 ps/km 81.85 ps/km D Question 9 10 pts A fibre has a total rms pulse broadening of 3.5 ns. The laser and photodetector connected to either end of the fibre have bandwidths...
#1, A 3-phase, 60-Hz transmission line is 50 km long and has r -o20 Ohms/km and x-0.50 Ohms/km. The load at the receiving end of the line is 2.5 Mw at a power factor of 0.9 leading. (i)Compute the impedance of the line, Zline * at the lad tole, the lad wi e . (ii)Find the sending end current, I, as 33nv lhe to tine Van-eerene (ii) What is the sending end voltage, V,? (iv)What is the real power, P...
1)
2)
3)
PROJECT #1 (2.5 Marks): The heat that is conducted through a body must frequently be removed by other heat transter processes. For example, the heat generated in an electronic device must be dissipated to the surroundings through convection by means of fins. Consider the one-dimensional aluminum fin (thickness t 3.0 mm, width Z 20 cm, length L) shown in Figure 1, that is exposed to a surrounding fluid at a temperature 1. The conductivity of the aluminum...
Could you please answer these questions
1-
++++++++
2-
+++++++
3-
+++++++
4-
++++++++++++++
5-
++++++++++
6-
+++++++++
7-
+++++++
8-
++++++++++++++
9-
Calculate the average density of the following astronomical body: Mars. Mars = kg/m3 Where does the value fit among those listed in the table below? Look up the density of a typical rock, such as granite in another source and compare the density of Mars to it. A proton, which is the nucleus of a hydrogen atom,...
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