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Published on Oct 5, 2007
More info is now available. http://www.sparkbangbuzz.com/tealaser... This is a simple homemade T.E.A. laser and is incredibly easy to make. It uses common household materials and does not require any exotic mirrors, parts, chemicals, gases, vacuum pumps, semiconductor technology etc. You can find good material about this laser by searching tea laser on Google.
The laser beam, a short pulse of ultraviolet light, happens every time the spark gap fires. The light from this laser is easily seen using many common materials around the house including paper, that fluoresce under the influence of ultraviolet light.
My main contribution here is to show yet another example, of how easily a T.E.A. laser can be built by someone who is not an expert in laser technology.
Some parts of the video, showing the higher rep rate, appear jumpy because I removed frames that did not synchronize with and catch the beam.