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Knowledge in How lasers and fibre optics are corelated
LASERS AND FIBRE OPTICS
This file contains important concept based on Laser and Fibre optics.Laser light is used for optical fiber communications for the simple reason that it is a single wavelength light source. ... Because ordinary light contains many different wavelengths of light, differences emerge in speed of transmission, reducing the number of signals that can be transmitted in any set time.
Rani Chowdary Mandepudi
LASER AND OPTICAL FIBER (PHYSICS) ASSIGNMENT
This pdf contains important assignment based on LASER AND OPTICAL FIBER (PHYSICS) ASSIGNMENT
yash kothane
LASERS AND POLARISCOPE
Photoelasticity describes changes in the optical properties of a material under mechanical deformation. It is a property of all-dielectric media and is often used to experimentally determine the stress distribution in a material, where it gives a picture of stress distributions around discontinuities in materials. Photoelastic experiments (also informally referred to as photoelasticity) are an important tool for determining critical stress points in a material and are used for determining stress concentration in irregular geometries. A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term "laser" originated as an acronym for "light amplification by stimulated emission of radiation". The first laser was built in 1960 by Theodore H. Maiman at Hughes Research Laboratories, based on theoretical work by Charles Hard Townes and Arthur Leonard Schawlow.
VEDANT MILIND ATHAVALE
OPTICAL FIBRES
An optical fiber is a flexible, transparent fiber made by drawing glass (silica) or plastic to a diameter slightly thicker than that of a human hair. Optical fibers are used most often as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data transfer rates) than electrical cables. Fibers are used instead of metal wires because signals travel along them with less loss; in addition, fibers are immune to electromagnetic interference, a problem from which metal wires suffer. Fibers are also used for illumination and imaging, and are often wrapped in bundles so they may be used to carry light into, or images out of confined spaces, as in the case of a fiberscope. Specially designed fibers are also used for a variety of other applications, some of them being fiber optic sensors and fiber lasers.