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Selective laser sintering uses a laser to trace out the shape of an object in a bed of finely powdered material that can be fused together by the application of heat from the laser. After one layer has been traced by a laser, the bed and partially finished part is moved out of the way, a thin layer of the powdered material is spread, and the ...
The main problem in producing such a device is that the probability of any given transition between energy states depends on the cube of the energy. Comparing a ruby laser that operates at 694.3 nm to a hypothetical soft X-ray laser that might operate at 1 nm, this means the X-ray transition is 694 3, or a little over 334 million times less ...
The Gogogo Sport Vpro Laser Rangefinder is designed especially for people who like to golf or hunt, and because of it's affordable price-point it's a great option for beginners. With features like ...
This improved gain medium was central to the demonstration of the first tunable narrow-linewidth solid-state dye laser oscillators, by Duarte, [8] which were later optimized to deliver pulse emission in the kW regime in nearly diffraction limited beams with single-longitudinal-mode laser linewidths of ≈ 350 MHz (or ≈ 0.0004 nm, at a laser wavelength of 590 nm). [9]
Gogogo Sport Vpro Laser Rangefinder. $43 $60. Save $17 with coupon at checkout. If you or someone you know is really into golfing or hunting, this rangefinder is an essential part of their kit ...
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