![]() If your flow is too aggressive your cuts with be nasty because of too much O2 making it a mini blast oven inside your cut area. Air Assist in cutting and engraving can come in the handy note you just need air at the smallest of flow. Beyond the focus point, the laser beam stays tiny for some time so that one can use it for Cutting thru material with or without air assist. The finer the focus the greater the power on spot. ![]() Also, the Black electrical tape absorbs a ton of light from both the blue and violet laser modules. We also suggest using a digital microscope just for setting the focus perfectly. We know there is an issue with the laser glasses wearing them can completely block out the laser beam making it impossible to adjust the lens especially if you wear OD5 and OD6 protective goggles). You may also adjust power with “Power settings” in Lightburn is at 2.5 percent. Using a dynamic PWM to turn the laser down measuring the heat increase as the dot gets to its smallest point. On a fixed focus ( 15-watt DUOS), the ramp test can come in handy. The distance from the lens to the focal point is called the focal distance or working distance.īasically, the focusing of a laser beam is achieved by using a single- or multi-lens laser optic, which is mainly characterized by its focal length and the diameter of the free aperture. … This point when the beam is focused perfectly is called the focal point. Lasers use a beam of light to engrave or etch information directly on the surface of a variety of materials.
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