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The first gas laser, using a mixture of helium and neon, was demonstrated in 1960 and emitted radiation at a wavelength of 1.15 μm (infrared range). [2] Two years later, White, together with Dane Rigden, showed that a helium-neon laser can emit radiation at a wavelength of 632.8 nm, i.e., in the visible range of the spectrum. [3]
A rotary laser level is a more advanced laser level in that it spins the beam of light fast enough to give the effect of a complete 360 degree horizontal or vertical plane, thus illuminating not just a fixed line, but a horizontal plane. [5]
Laser level – control tool consisting of a laser beam projector that can be affixed to a tripod, and which projects a fixed red or green beam along the horizontal and/or vertical axis. A rotary laser level is a more advanced laser level in that it spins the beam of light fast enough to give the effect of a complete 360 degree horizontal or ...
The quirky cube-like design of this cross-line laser level from Bosch, and the handy adjustable clamp it is usually sold with, make it an excellent tool for DIYers not wanting anything excessively ...
A laser line level is a tool combining a spirit level and/or plumb bob with a laser to display an accurately horizontal or vertical illuminated line on a surface the laser line level is laid against. Laser line levels are used wherever accurate verticals and horizontals are required, typically in the construction and cabinetry industries. Some ...
Mounting new kitchen cabinets or hanging a few pictures? Keep your stuff level and straight with these tried-and-tested gadgets.
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