Each stone reacts differently to the laser so it's best to prototype each prior to processing. the finished engraving usually provides a white finish making a good contrast against darker stones. for practical purposes unless you have a higher watt laser cutter it's not economical or efficient to laser cut stones.. Laser cut stones: my parents recently decided to change out our old door lock for a new, keypad-controlled system. however, this new technology renders the practice of hiding a spare key impossible. instead of making my guests memorize the code, i decided to laser cu…. We specialize in custom hand crafted granite fabrication, custom granite countertops and granite repair. we also offer small to large format laser engraving services. granite fabrication laser engraving granite countertops & vanities learn more.
While laser solutions are optimal for most historical conservation and restoration projects — especially when pertaining to stone — it does have its limitations. other methods can more effectively clean important documentation and other paper or wooden artifacts.. History. laser lithotripsy was invented at the wellman center for photo medicine at massachusetts general hospital in the 1980s to remove impacted urinary stones. optical fibers carry light pulses that pulverize the stone. candela licensed the technology and released the first commercial laser lithotripsy system. [better source needed] initially 504 nm dye lasers were used, then holmium lasers. Cystoscopic laser lithotripsy and stone extraction (cystolithalopaxy) stones occur within the urinary bladder due to incomplete bladder emptying, urinary stasis, and/or chronic bladder infections. with time, the urine that is not voided begins to harbor bacteria and contain higher amounts of mucus, sediment and urinary minerals, eventually.
