A laser detonator was a piece of equipment used to ignite explosive materials, such as mooride polyronite 4, which induced small-scale fusion reactions. (TNG: "Night Terrors")

Laser technology
Tools: autosuture • bone-knitting laser • laser beacon • laser drill • laser scalpel • laser scanner • laser torch • laser welder • microscope laser • miniature laser • nanopulse laser • tri-laser connector
Weapons: Artonian laser • cutting beam • laser cannon • laser detonator • laser pistol • pulse laser • x-ray laser
Other: laser fusion initiator • laser micrometer • LIDAR • optic nerve laser welding • laser pulse system