Caramelizing Sugar With a Laser

Hackaday

If you happen to have access to a laser cutter, you’re bound to try cutting or engraving something it wasn’t designed for. We know we have. [Bonnie] and her friend [Brenda] decided to try something new — caramelizing sugar with a laser.

Laser SugarAt their local hackerspace, NYC Resistor, they brought in some chocolate squares and colored sugar and started tinkering with the laser. It’s a 60W CO2 laser by Epilog. After testing a few different options they ended up with the following setting for optimum sugar caramelizing with only one pass:

Speed 100
Power 30
DPI 300

By spreading a thin layer of sugar over top of the chocolate, you can effectively melt and bond the sugar to the chocolate — we suspect playing with the laser focus will also help you fine tune the process for your own confections.

You could just etch the chocolate with the laser as well…

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