Glossary
Diode laser
~455nm blue source
A diode laser stacks blue laser diodes (~455nm) into a compact head riding on gantry rails. It is the accessible class: low cost, tiny footprint, no mirror alignment, and real cutting ability in the 20–40W optical tier.
Limits are physics: clear acrylic and bare metal ignore 455nm. Wood, leather, dark acrylic, and coated metals are its home turf.
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