What is light produced‚ reflected and refracted into visible light? Refraction is the bending of a wave when it enters a medium where its speed is different. The refraction of light when it passes from a fast medium to a slow medium bends the light ray toward the normal to the boundary between the two media. The definition of produced visible light means when the electromagnets radiation meets the human eye. The first example of produced is a glow stick because it produces its own light . Another
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B.Tech Project‚ 2011 Indian Institute Of Technology‚ Gandhinagar MODULATION CHARACTERISTIC OF A SEMICONDUCTOR LASER DIODE Project Guide Prof. Arup Lal Chakraborty Department of Electrical Engineering Submitted by Vivek Maheshwary (0800206) Department of Electrical Engineering 27th November‚ 2011 ACKNOWLEDGEMENT I would like to express my sincere gratitude to
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Vietnam War Notes Key events timeline of the Vietnam War. 1954‚ Nationalists remove the French from Indochina. 1954‚ The South East Asia Treaty Organisation is set up. 1962‚ Australia along with USA‚ sends military advisors to South Vietnam 1964‚ National service is reintroduced in Australia 1966‚ The first US combat troops land in South Vietnam (start of the Vietnam War). 1967‚ Australia increases its forces in South Vietnam 1969‚ Increasing discontent of the Australian public about Australia’s
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EFFECT OF PROCESS PARAMETERS ON THE QUALITY OF MACHINED SURFACE IN LASER BEAM MACHINING OF MILD STEEL 1 Pratik‚ 2Mohammad Arshad Emran‚ 3Deepak D‚ 4Anjaiah Devineni 1‚2‚3‚4 DEPARTMENT OF MECHANICAL AND MANUFACTURING ENGINEERING‚ MANIPAL INSTITUTE OF TECHNOLOGY‚ MANIPAL UNIVERSITY‚ MANIPAL - 576104‚INDIA pratik.js123@gmail.com‚ arshad.emran@gmail.com‚ deepak.d@manipal.edu‚ anjaiah.d@manipal.edu Abstract— Laser Beam Machining is widely used manufacturing technique utilized to perform
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The managerial function of staffing involves manning the organization structure through proper and effective selection‚ appraisal and development of the personnel’s to fill the roles assigned to the employers/workforce. Definition Staffing: The selection and training of individuals for specific job functions‚ and charging them with the associated responsibilities. Staffing is the process by which an organisation creates a pool of applicants and makes a choice from that pool to provide the right
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APPLICATIONS OF ORGANIC COMPOUNDS IN LASER TECHNOLOGY WHAT IS AN ORGANIC COMPOUND? An organic compound is any member of a large class of gaseous‚ liquid‚ or solid chemical compounds whose molecules contain carbon. Organic chemistry is the science concerned with all aspects of organic compounds. Organic synthesis is the methodology of their preparation. APPLICATIONS OF ORGANIC COMPOUNDS clothing of cotton‚ wool‚ silk‚ and synthetic fibres; common fuels‚ such as wood‚ coal‚ petroleum‚ and natural
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Introduction Basic Raman Concept High Power Raman Fiber Lasers Raman Fiber Amplifier Combining EDFA and Raman Amplifier Conclusion January 8‚ 2008 Y. Lin: Raman Amplifier 1 Introduction Raman Amplifier was demonstrated in the 1980s Unavailability of high-power diode laser pump source Why do you need it : amplify signals from 1270 to 1670 nm any optical fiber can serve as the amplifying medium Raman process itself provides high-power laser Disadvantage: Cross-talk January 8‚ 2008
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tattoo is different and unique there has to be different ways to remove the tattoos. Some of the removals available today are: Laser Removal‚ Intense pulsed light therapy‚ do-it-yourself cream removal‚ cover-up with another tattoo‚ fading with saline‚ as well as other medical methods‚ such as dermabrasion and excision. The most effective and most popular way is laser removal. The down side to this treatment is that it is very costly‚ can leave scarring‚ and can take a several sessions to get your
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Problem 10.7 Which controls would best mitigate the following threats? a) The hours- worked field in a payroll transaction record contained the value 400 instead of 40. As a result‚ the employee received a paycheck for $6‚257.24 instead of $654.32. Answer: Data entry controls should be implemented of this threat. It can conduct a field check by separating the salaried and hours and minutes of fields. Limit check to ensure that each of the employees should not excess the limit of work
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LED and Laser Transmitters LED Transmitter Light - emitting diode (LED) is a standard light source that carries low speed signals at short distances. LED light source is an all plastic fiber that transmits visible light. LED put out lower power and a bigger output pattern than laser light sources. LEDs have less bandwidth and are limiting to operate up to about 250Mhz or about 200Mbs. LED light sources do not contain hazardous material and last longer‚ about 10‚000 hours. Bulbs generate less heat
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