By User:Eino81 - Own work, CC BY-SA 4.0,

LASER Pyrogravure

Image By User:Eino81 – Own work, CC BY-SA 4.0, The original LASER invention (as I recall) was a glass like mineral ruby rod with a photo (xeon) flash tube wound around the outside. One end of ruby rod was reflective. The firing end was semi-reflective. I don’t think these were used as industrial LASERs. …

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LASER Application

WHAT NEXT? Doing a little thinking through blog writing. I have a LASER engraving machine on order. Everyone should know what LASER engraving is. Unless you been a starfish under a rock under the sea for the last 25 years or so. I should not need to explain the concept in too much detail. It …

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