This is indeed a 1 watt green laser swung through an arc into trees. So why does it look like a field of grass?
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1 watt green laser
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Tag Archives: green laser
Prisms
A group of 9 prisms allows a circular light path and gives multiple internal reflections.
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Crookes Radiometer
This is a Crookes Radiometer. An old physics department staple. What does it do? On exposure to light or heat, the vanes turn on a low friction mount. Here a green laser (14 mW green and 9 mW infrared) starts it turning.
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Ophthalmic Laser
Ex medical ophthalmic (eye) class IV laser Nd:YAG 3W 20ms 15J, Q switched 12ns 0.2J with HeNe 0.1 mW. It weighs 400 kg including a solid pallet.
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