Laser initiated ordnance
Laser Initiated Ordnance (LIO) is a pyrotechnic initiation system that uses laser energy transmitted through fiber optic cables to safely and reliably initiate explosive and pyrotechnic devices such as squibs, detonators, cutters, valves, and gas generators. Unlike traditional electrically initiated ordnance, laser initiated systems provide fundamental immunity to electromagnetic interference, enhanced safety, and greater reliability for critical applications.
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Pulsed Diode Laser
The Pulsed Diode Laser from EXCELITAS TECHNOLOGIES offers high peak power and precision for a variety of applications requiring pulsed laser technology.
LIO technology has been developed since the mid-1990s with the transition to high-power laser diode initiation, offering ESD/RF/EMI/EMP protection, high reliability, minimum weight, and the capability to remote/separate the initiated ordnance device from the firing unit.
Laser initiated ordnance systems operate by transmitting laser pulses through fiber optic cables to directly initiate pyrotechnic material. The LASER pulse travels through the fiber optic cable and passes through a lens, where the direct heat from this laser pulse initiates the pyrotechnic material.
Unlike high-voltage safe and arm devices that use bridgewires or semiconducting bridges in the pyrotechnics, laser initiated systems have no electrical circuitry connected to the ordnance. Instead, a fiber optic cable makes the system fundamentally immune to electromagnetic environments since no electromagnetic energy can be coupled to a fiber.