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In Optical Fiber Communication system 1300-1550 nm range wavelengths are used.. Reason for tis s "In this range only we can acheive low attenuation with zero dispersion"
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What is the significance of normalized frequency in optical fiber?
If V is less than 2.405 then the fiber is mono mode but if V is greater than 2.405 then fiber is multimode. V number is also related with the number of modes is the fiber as: N = V2/ 2 for step index fiber and Number of modes for graded index fiber is N = V2/ 4.
How many core in optical fiber?
one
Explain about optical fiber types modes and configurations?
fiber cable dia meeter
What is the latest technology in communications better than optical fiber?
submarine cable
How many phone calls can one optical fiber carry at once?
200
What is appxoximate frequency limit of the optical fiber?
40 GHz
How does dispersion affect optical fiber?
Dispersion affects optical fibers in the sense that dispersion causes a disruption in the frequency of lights waves and can focus the wavelength nature of light.
How many modes can be transmitted in multi mode fiber?
Multi mode fiber are optical fibers which support multiple transverse guided modes for a given optical frequency and polarization. The number of guided modes is determined by the wavelength and the refractive index profile.
What is the Principle of optical fiber?
Fiber optic cables containing silica called filamentous crystal crystalline silica is actually the main component of these filaments heap on the inner wall can be attached to the wire with the wire bent over bent when the optical signal from the wire the optical signal to one input of the specular reflection on the surface of the silica on the principle of reflective transmission until it reaches the other end of the optical signal conductor recognizer so far. Fiber is divided into the following two categories: 1) transfer points modulo class Transfer points modulo class of single-mode fiber and multimode fiber. Single-mode fiber core diameter is small, at a given operating wavelength only in single-mode transmission, the transmission frequency bandwidth, transmission capacity. Multimode fiber is given in the operating wavelength, can be transmitted simultaneously to a plurality of mode optical fiber. Compared with single-mode fiber, multimode fiber transmission performance is poor. 2) refractive index distribution type Refractive index distribution type optical transitions can be divided into optical fiber and tapered optical fiber. Hopping optical fiber core refractive index and the refractive index of the protective layer is a constant. And a protective layer in the core of the interface, the refractive index changes stepwise type. Graded refractive index of optical fiber core increases as the radius decreases according to certain rules, and the protective layer of the core is reduced to the junction of the refractive index of the protective layer. Similar to the refractive index of the core changes parabola.
What is the optical range of optical fiber?
40 GHz
How does an optical transmitter sends signals to the optical fiber?
Usually, there is a laser diode that is optically coupled to the fiber.
Is cross talk is possible in optical fiber?
One of the advantages of optical fiber is that it is NOT susceptible to cross-talk.
Can you directly interface two different wavelength fiber optic devices?
If they are tunable, yes you can. If the operating frequency is locked, no, you cannot.
Objective type question on optical fiber?
An objective type of question on optical fiber is on that focuses on the integral part of fiber optic. A good question would be, " Why are optical fibers immune to EMI? "
What part of the spectrum carries TV signals through optical fiber cables?
Fiber optic cables carry light, not radio frequency energy. Somewhat like comparing apples to nuts.
What are the Losses in optical fiber?
Loss is fibre optic cable depends on the glass and frequency of the pulse used but the factors involved are predominately light scattering and dispersing.
Describe refraction and reflection with respect to Fiber Optical Cable?
Describe refraction and reflection with respect to Fiber Optical Cable?
