Homework Answers
Add Answer to:
B) Consider a HeNe laser with a linewidth of 1.5 GHz and a center operating wavelength...
need Answers for c & d only. Everthing else is good. need answers for d &...
need Answers for c & d only. Everthing else is good.
need answers for d & e only. Not c. Thank you
11:14 AM Wed Jun 19 71% Problem1: Fiber Optics different optical loss (attenuation) sources a) Provide six extrinsic sources) of an optical fiber system. b) Sketch and briefly explain the Total Internal Reflection (TIR) phenomenon. c) What is the difference between a step index fiber and a graded index fiber? (Hint: Consider the ray tracing of different modes...
1. A fiber that supports many optical wavegui modes 2. Ration of the speed of light...
1. A fiber that supports many optical wavegui modes 2. Ration of the speed of light in free space to its speed in a given material 3. Light extending from 680 nm up to the wavelenghts of the microwaves 3 Matching questions A. Stretching of received pulse width because of multiple paths taken by the light Graded-index Fiber 2Single-Mode Fiber B. Fiber cables with core diameters of about 7-10 um light follows a single path 3. Pulse Dispersion C. the...
3- Consider a HeNe laser radiating at spatial TEM mode, wavelength à = 632 nm and...
3- Consider a HeNe laser radiating at spatial TEM mode, wavelength à = 632 nm and spectral line-width AA = 0.1nm. Beam diameter at z, =0 is w, =1.0 mm. Laser resonator consists of two plane mirrors of separation L=1.0 m. a) What is the beam diameter at at 1Km. b) What is divergence angle of beam. c) What is the coherence length of this laser. d) What is the longitudinal frequency separation. (assume refractive index n=1 inside the cavity)...
Attenuation in dB km-1 (e 01 0.5 005 0 I 1.2 Wavelength (um) 90 9 1 The graph above shows the attenuation vs. wavele...
Attenuation in dB km-1 (e 01 0.5 005 0 I 1.2 Wavelength (um) 90 9 1 The graph above shows the attenuation vs. wavelength characteristics for a typical silica based optical fibre. (3 marks) Describe the physical processes responsible for optical attenuation at short wavelengths, long wavelengths and the peaks at wavelengths of 1.2 and 1.4 um? (2 marks) What are the implications of the graph above for silica fibre long distance communications? b) A fibre has a core refractive...
6. An optical fiber has an acceptance angle of 10.95 degrees. What's the numerical aperture for...
6. An optical fiber has an acceptance angle of 10.95 degrees. What's the numerical aperture for this fiber? A. 0.16 B. 1.02 C. 0.27 D. 0.19 7. An optical fiber has a core refractive index of 1.495 and a cladding refractive index of 1.47. What's the acceptance angle for this fiber? A. 13.11° B. 0.272° C. 9.79° D. 15.80° 8. While traveling through a cable, a signal loses 18.7 percent of its original power. What's this loss expressed in dB?...
Photonics and Optical Revision Sheet 1 1. Caculate the photon energy in eV for a wavelength of 1....
Photonics and Optical Revision Sheet 1 1. Caculate the photon energy in eV for a wavelength of 1.55 um 2, A 1.55 μm digital communications system operating at 4 GBits/s receives an average power of -24 dBm at the detector. On the assumption that 1 and 0 bits are equally likely to occur how many photons are received within each 1 bit? 3. A1.3 um digital communications system operating at 3 GBits/s receives an average power of -29 dBm at...
need Answers for c & d only. Everthing else is good.
need answers for d & e only. Not c. Thank you
11:14 AM Wed Jun 19 71% Problem1: Fiber Optics different optical loss (attenuation) sources a) Provide six extrinsic sources) of an optical fiber system. b) Sketch and briefly explain the Total Internal Reflection (TIR) phenomenon. c) What is the difference between a step index fiber and a graded index fiber? (Hint: Consider the ray tracing of different modes...
1. A fiber that supports many optical wavegui modes 2. Ration of the speed of light in free space to its speed in a given material 3. Light extending from 680 nm up to the wavelenghts of the microwaves 3 Matching questions A. Stretching of received pulse width because of multiple paths taken by the light Graded-index Fiber 2Single-Mode Fiber B. Fiber cables with core diameters of about 7-10 um light follows a single path 3. Pulse Dispersion C. the...
3- Consider a HeNe laser radiating at spatial TEM mode, wavelength à = 632 nm and spectral line-width AA = 0.1nm. Beam diameter at z, =0 is w, =1.0 mm. Laser resonator consists of two plane mirrors of separation L=1.0 m. a) What is the beam diameter at at 1Km. b) What is divergence angle of beam. c) What is the coherence length of this laser. d) What is the longitudinal frequency separation. (assume refractive index n=1 inside the cavity)...
Attenuation in dB km-1 (e 01 0.5 005 0 I 1.2 Wavelength (um) 90 9 1 The graph above shows the attenuation vs. wavelength characteristics for a typical silica based optical fibre. (3 marks) Describe the physical processes responsible for optical attenuation at short wavelengths, long wavelengths and the peaks at wavelengths of 1.2 and 1.4 um? (2 marks) What are the implications of the graph above for silica fibre long distance communications? b) A fibre has a core refractive...
Photonics and Optical Revision Sheet 1 1. Caculate the photon energy in eV for a wavelength of 1.55 um 2, A 1.55 μm digital communications system operating at 4 GBits/s receives an average power of -24 dBm at the detector. On the assumption that 1 and 0 bits are equally likely to occur how many photons are received within each 1 bit? 3. A1.3 um digital communications system operating at 3 GBits/s receives an average power of -29 dBm at...
Most questions answered within 3 hours.
-
The random variable X is exponentially distributed, where X
represents the time it takes for a...
asked 22 seconds from now -
MATLAB
write a MATLAB function (1) output a third-order polynomial
function with the coefficients as the...
asked 7 minutes ago -
A z-score
communicates a raw score’s "relative standing"
under the normal curve in relation to:
asked 15 minutes ago -
An object is vibrating on a spring with the following equation
of motion:
?=(30 ??)cos((2?)/(160)?)
a)...
asked 14 minutes ago -
Vulcan Flyovers offers scenic overflights of Mount St. Helens,
the volcano in Washington State that explosively...
asked 17 minutes ago -
If organizations do not adapt fast enough and move incrementally
from the twentieth-century model to the...
asked 18 minutes ago -
A helium balloon with 2.5L of gas has a gauge pressure of 10,000
Pa. The balloon...
asked 22 minutes ago -
What is responsible for Jupiter's enormous magnetic field?
asked 37 minutes ago -
At the end of the year, a company offered to buy 5,000 units of
a product...
asked 39 minutes ago -
Implement C++ program for each of the following.
Let D = [-48, -14, -8, 0, 1,...
asked 59 minutes ago -
Consider a labor market in which LD = 400 – 4W and LS = 250 +...
asked 1 hour ago -
Let’s say you are teaching a typically-developing young child
how to eat with a spoon. Describe...
asked 56 minutes ago