I want engrave my name on the mirror could this be done?
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Quoting from the Laser Cutter Wiki page…
“Mirror surfaces can reflect the laser beam, damaging the cutter’s interior components. Some mirrored materials can be placed reflective-side down and cut.”
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I have my own laser and will tape the front/back of the laser with painters tape. I put it mirror down and engrave that way. I have engraved both ways (face up/face down) and I find that face down gets a nicer engrave because it looks like it is inside the mirror. Also when I engrave mirror, I typically use a lower speed/higher power than acrylic or wood. Just to make sure it gets deep enough to really be visible.
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Another option is to etch the mirror chemically. An adhesive mask could be easily made with a vinyl cutter/cricut machine. Then apply the etching media. Usually gel/cream type acid made for the purpose. Art stores typically have it. Hobby lobby has one called Armour etch for about $10.
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Fyi… i know that a member named Domy etches glass mugs on our laser hundreds of times. He is quite adept in fablab skills.
I wouldnt be afraid of small monogramming a mirror.
But if you were to etch a large flat glass surface, you could expect “released tension stresses” that used to be equal ish to just break your panel.
Im guessing. Ive never tried it.
But a panel of glass has internal stresses from cooldown. Thats why many glass items have to be annealed. Annealing doesnt remove them entirely. It just helps to … equalize them.