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A WRITTEN REPORT ON LASERLIGHT
Techno India University of Technology
Megacity, Rajarhat Kolkata 700156
A Report upon
ZAKIR UDDIN AHMAD
Student W. Tech third year Applied Electronics and Instrumentation Executive
The word laser is short for that stands for " lumination amplification simply by stimulated release of rays. " In a fairly unsophisticated sense, a laser is definitely nothing more than a unique flashlight. Strength goes in, usually in the form of electrical power, and light comes out. However the light released from a laser differs from that coming from a flashlight, and the variations are well worth discussing. You could think that the biggest difference is that lasers are more powerful than flashlights, yet this conceiving is more frequently wrong than right. True, some lasers are significantly powerful, but many are much less strong than even the smallest torch. So electrical power alone is not a distinguishing characteristic of laser mild. But for at this point it's enough to say that we now have three dissimilarities between lumination from a laser and lightweight from a flashlight. 1st, the laserbeam is much less wide than a flashlight beam. Second, the white light of a flashlight column contains numerous colors of sunshine, while the light from a laser includes only one, pure color. Third, every one of the light waves in a laserbeam are in-line with each other, while the light surf from a flashlight happen to be arranged at random. The significance of the difference will become apparent as you read about the size of light. Lasers come in almost all sizesвЂ”from little diode lasers small enough to fit in the eyes of a filling device to huge military and research lasers that load a three-story building. And different lasers can produce many different colors of light. The " light" produced by carbon dioxide lasers and neodymium lasers cannot be seen by the eye because it is inside the infrared percentage of the range. Interestingly, few of these lasers produce whilst much power as a typical 100-W lightbulb. What's more, lasers are not actually very successful. To produce 1W of light, almost all of the lasers listed in Table 1 . 1 could require hundreds of w of electricity. What makes lasers worthwhile for a lot of applications, however , is the thin beam that they produce. A fraction of the watt, packed into a supernarrow beam, can easily do things not any lightbulb could ever do. The ruby, yttrium aluminum garnet (YAG), and glass lasers are solid-state lasers. The light is generated in a solid, crystalline fly fishing rod that looks much just like a cocktail swizzlestick. All the other lasers listed are gas lasers, which make light within a gaseous channel like a fluorescents sign. If perhaps there are solidstate lasers and gaseous lasers, it's rational to ask if perhaps there's this sort of a thing as being a liquid laserlight. The answer is yes. The most common case is the organic dye lazer, in which absorb dyes dissolved in a liquid produces the lazer light. Laserlight Technology are useful for a wide variety of real time applications dealing with massive amount data. Several of its applications are used in waveguides, just like optical fibres. Spectroscopy photochemistry, atomic vapor laser isotope separation, and optical marketing and sales communications. So in this report a general idea about laser is given to you.
To begin with we want to thank Mr. Nantu Das, Mister. Suvobroto Banerjee, Mrs. Priyanka, Lecturer [EIE dept] of our college Techno India School Of Technology, for his constant support and appropriate guidance with no which the report wouldn't have been completely possible and then for encouraging all of us to write this kind of report. We would also like to thank my own sister intended for helping myself and encouraging in good and tough times. What is more I communicate my special thanks to mother and father for their support and assistance.
Bibliography: п‚· P. Zorabedian, Tunable external cavity semiconductor lasers, in Tunable Lasers Handbook, Farrenheit. J. Duarte (Ed. ) п‚· M. Docter, S. Beri, Farreneheit. Karouta, M. K. Smit, " Semiconductor laser gadget, вЂќ Worldwide patent #PCT/NL/2008/000185, filed September 01, 2008 п‚· www.forumscollegelib.com
Individual paper: Distinguish between management and leadership. Be specific 1 . Describe the jobs and duties that company managers and leaders enjoy in creating and preserving a healthy…...Read