Special Properties Of Lasers

How Lasers Work

Properties Of Lasers

Types Of Lasers

Applications And Uses Of  Lasers


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A laser is a beam of light that is very different and unique from other types of light. Here’s a look at these special properties of laser light.

1) Color of the Laser Light

All the various kinds of light that we see in our daily lives is a kind of white light. Sunlight, light from the bulb etc, are all white light, but are not just white. If you see this light through a prism or through any glassy polished surface, you will be able to see all the colors of the rainbow. But a laser light is not the same. Laser light is just one color, be it blue, red, green, or any other color that varies according to the laser used. Thus, laser light is monochromatic and not polychromatic as other lights.

2) Organizational Property of Laser Light

The photons of light other than laser light are not very organized and move randomly in every which way. In contrast to this, the photons released and used in laser light are very consistent and organized. The light photons in lasers travel in the same speed with the other photons and also in perfect alignment with each other. It is this property of laser light that enables lasers to be so strong and intense, as all their photons are working with each other and not against each other.

3) Invisible Laser Light

Lasers such as infrared and ultraviolet lasers have light that is invisible to the naked eye. Such lasers are very useful for alarm systems and protective security applications. As this type of laser light cannot be seen, people are unaware of its presence, and it can go about doing its job efficiently.

4) Focus of Laser Light

Lasers work on the principle of stimulated emissions of photons. These photons are released from their environment (tubes with mirrors) from just a very small opening. Because of the manner in which the laser light is achieved, it becomes highly focused and intense. As the photons can be directed very easily, the laser light can be focused and directed efficiently, thus making lasers useful for specialized applications that require tremendous accuracy.

Seeing all the above special properties of laser light, it comes as no surprise that a laser is such a powerful and exciting use of light energy. 

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