Short Essay On Infrared Light
How do infrared cameras even work and what is their purpose? There are many types of infrared wavelengths with different frequencies and lengths, which calls for different types of infrared cameras to be made in order to pick up any rage of wavelength for different purposes.
In the electromagnetic spectrum there are radio waves with long wavelengths and there are gamma rays with short wavelengths. In the middle of them there is a area of visible light. Surrounding that area is where infrared wavelengths come into play, they have frequencies of 430 THz and 300 GHz. Now since we understand what infrared is, people have invented cameras which allow us to see infrared light. We can now use infrared cameras to look at the heat of any one object.
There are objects that are so hot that they show visible light, however, there are things that release heat but the human eye cannot see the infrared waves. Humans now use thermographic cameras (infrared cameras) and other devices to view heat coming off of objects.
Scientists put infrared red cameras to work everyday. There are planets in the universe that are way to faint to be seen in visible light, so scientists use thermographic cameras to view new planets, and stars. Scientists have a telescope named The James Webb Space Telescope, which has three
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A short-wavelength infrared camera is The IR400 radiometric infrared camera, is a short wave-length infrared camera, that allows you to zoom in on small objects. The FLIR MilCam infrared camera is a Mid-wavelength camera, they are mainly used for security, military operations, and science. The LWIR camera measures long-wavelengths and requires absolutely no light because all it does is read heat emissions given off by objects. They are extremely versatile and are used for law enforcement, surveillance, security, search and rescue, and medical and veterinary
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