Nuburu’s pocket-sized ‘dazzler’ turns cheap drones into blind moths over ukraine
A shoebox-sized laser box that fits in a rucksack is already scrambling the optics of Russian FPV drones above the Donbas, and Kyiv’s generals like what they see. The device, built by Colorado start-up Nuburu after its stealth takeover of Italian laser house Lyocon, does not burn holes in airframes; it simply blinds them. One flick of a 10-watt beam and a €800 Mavic tumbles like a drunk mosquito.
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Shahed-136 swarms cost Tehran less than a mid-range Mercedes. A NASAMS interceptor sets NATO back €1.2 million per round. The calculus is brutal: exhaust the magazine before the enemy exhausts its credit line. Enter the non-kinetic dazzler. No propellant, no warhead, no supply chain that ends in a Norwegian titanium mine. Just gallium-nitride diodes sipping from a standard radio battery.
Nuburu’s trick is to stitch green, blue and infrared wavelengths into a single coherent pulse tuned to the CMOS sensors that consumer drones rely on for optical flow. Saturate the imager and the flight controller believes the world has vanished; failsafe mode kicks in, the drone hovers, lands or crashes. The same trick scrambles the seeker heads on loitering munitions, turning a one-way bomber into a very expensive lawn dart.
From garage prototype to nato test range in 14 months
The company’s engineers wired the first bench unit in a strip-mall lab outside Denver in March 2023. Twelve months later a hardened prototype survived −30 °C nights on a Polish firing range and dust storms that would choke a Roomba. Weight: 3.2 kg with battery. Range: 800 m against class-1 UAVs, 400 m against the faster class-2 tactical birds. Spot size at half-kilometre: 18 cm, tight enough to pick a drone out of a flock of starlings.
Lyocon’s heritage is industrial cutting; Nuburu brought the semiconductor IP. Together they produced a multi-band chip that switches colour in nanoseconds, letting the operator hop frequencies faster than adversarial filters can adapt. The beam director is a MEMS mirror no larger than a postage stamp, yet it tracks angular velocities of 120 °/s, enough to tag a racing quadcoster banking at 15 g.
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Directed-energy spending will triple this decade, according to MarketsandMarkets, and every Western defence ministry now lists counter-UAV lasers as a line item rather than a science project. Nuburu is already in talks with three NATO members plus an unnamed Gulf state that watched Iranian drones paint fake helicopters on Israeli tarmac. The first production lot is pencilled for Q1 2025; unit price target is €85,000, less than the insurance payout on one wrecked Leopard.
Limitations remain. The dazzler is useless against fibre-optic drones that navigate inertially or against the 200-kg class-3 predators cruising above 5,000 m. But those are still rare on Ukrainian battlefields. What fills the sky is the plastic quad you can order online. Deny vision to those and you collapse the reconnaissance layer that feeds artillery. A blind army is a deaf army, and a deaf army dies in 15 minutes—the average flight time between spotting and first salvo.
Corrinne Hess is technology editor at Coastal Code and a former correspondent for The Economist in Brussels.