PCGS Secure Plus Laser ??

brenda

This might be a dumb question but when they take a laser image, this is a photograph only and in no way they ever touch or mark the coin ?? because with some collectables, i think they do code on the surface of the item .

ocon4008

It is a lot more complicated than that. They are making a digital terrain model of the surface with the laser.

Read this and if you have any more questions PM me and I will try to explain them.

Steve27

They are not etching into the surface of the coin, if that's your fear. They are only scanning it with light.

notwilight

A laser is just a special light beam. In extreme high intensity it can be used to melt or cut items but at low intensity, it does nothing that shining a flashlight on a coin wouldn't do.

It is not a photograph. I haven't seen the box that does it but I would expect that the laser rapidly moves back and forth over the entire object while an array of detectors analyze scattered light to create a digital fingerprint.

They now have laser scanners that can be brought into a room, turned on and they will scan then entire room and create a digital 3d map of the room with very accurate dimensions.

--Jerry

fcloud

These are not focused lasers in the point of for example a CNC Laser for cutting steel. These would probably be closer to the scanners used at grocery stores for scanning bar codes.