Ultra-compact accelerator

Euclid Techlabs LLC is developing a novel MeV range electron source with two critical features needed for any space limited applications: an Ultra-nano Crystal Diamond (UNCD) Field Emission (FE) cathode for high quality 10mA (in pulse) current and a dielectric based accelerator (DLA). Because of the use of high permittivity dielectrics the transverse size of the cavity is reduced significantly, comparable to the thickness of a pencil. This compactness also provides significantly reduced weight of the entire system. A comparison of conventional and dielectric X-band systems is found here.

The unique cost and size effective compact accelerators is expected to be useful for a wide range of applications, including radiotherapy for cancer treatment, materials characterization, radiation-driven chemistry, and national security applications through the detection of explosives, narcotics and other dangerous substances.


Frequency X-band (9.4 GHz) X-band (9.4 GHz)
Energy 500 keV 1 MeV
Average Current 100 μA 100 μA
RF power 100 kW 250 kW
Duty factor 10-3 10-3
Electron-gun 20 keV 20 keV
Structure length 15 cm 40 cm
Weight 15 kg 15 kg

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