Introduction: HeNe Laser (632.8 Nm)

Picture of HeNe Laser (632.8 Nm)

just a HeNe laser and some spectroscopy stuff


TheHawkeye (author)2011-05-27

Very cool. Did you make the laser?

dyly (author)TheHawkeye2011-05-31

No, that would be very difficult to make from scratch. You'd need a canister of extremely pure helium, a canister of extremely pure neon, glass tubing of various sizes, glass-working tools, a high vacuum pump, etc. I just hooked the laser tube up to a high voltage supply that I made using a single 2N3055 power transistor and a flyback transformer from a television CRT. I used this laser in my Faraday rotation project.

mazda4952 (author)dyly2012-04-11

how did you wire the power supply?

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