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The Laser
Beginning of paper
Before we can learn about we need to know a little bit about
light (since that is what a laser is made of). Light from our sun, or from an
electric bulb, is called white light. It is really a mixture of all the
different colours of light. The colours range from violet, indigo, and blue, to
green, yellow, orange, and red. These make up the visible ....
Middle of paper ....d. In 1916 Albert Einstein
proposed stimulated emission, and other fundamental ideas were discussed by V.A.
Fabrikant in 1940. These ideas, followed by decades of intensive development of
microwave technology set the stage for the first maser (a laser made up of
micro-waves), and this in turn helped to produce more advances in this area of
science..... |
Word count: 981 |
Page count: 4 |
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