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Who We Are 

G&E Tandems LLC was formed to support the acquisition, technical evaluation, refurbishment coordination, and resale of medium-scale tandem accelerator systems and associated beamline infrastructure. Our work focuses on preserving high-quality accelerator hardware that would otherwise be decommissioned, scrapped, or underutilized, and placing it back into active research and industrial environments. 

The company was founded and is operated by two engineers with hands-on experience in accelerator construction, high-voltage systems, vacuum engineering, and beamline hardware. Our approach is highly technical, transparent, and research-oriented — we treat each system not as surplus equipment, but as a complete experimental platform requiring careful documentation, handling, and verification. 

Active Asset: 1.7 MV General Ionex Tandem Accelerator System 

G&E Tandems currently manages a fully disassembled General Ionex 1.7 MV tandem accelerator system originally operated at Bell Labs and then at Arizona State University’s IBeAM facility. The system includes the accelerator column, high-voltage infrastructure, beam transport hardware, and multiple experimental beamlines. 

This platform was previously configured for ion beam analysis and microbeam applications including: 

The system has been carefully dismantled, cataloged, and stored with the intent of resale to academic laboratories, national facilities, and industrial research groups.
 

What We Actually Did

Gianni and I performed full physical disassembly of the tandem accelerator across multiple on-site operations. This included: 

Throughout this process we directly inspected and documented the internal architecture of the accelerator system — including column geometry, HV grading structure, beam transport layout, and vacuum interfaces. This hands-on exposure has provided detailed insight into commercial tandem accelerator design and construction methods.
 

Engineering Philosophy

G&E Tandems operates differently than traditional surplus resellers. 

We prioritize: 

Our background in building custom accelerator hardware, vacuum systems, and high-voltage infrastructure informs how we evaluate and present equipment. We understand the operational realities of beamline integration, vacuum compatibility, insulation requirements, and experimental constraints.
 
This allows us to speak the same technical language as accelerator facilities and research groups.
 

Why G&E Tandems Exists 

Large accelerator systems represent decades of engineering development and experimental value. Too often these machines are retired due to funding cycles, facility closures, or institutional restructuring — not because they are no longer useful. 

We founded G&E Tandems to keep these systems active in the research ecosystem by: 

This project is deeply personal to us. We are accelerator builders ourselves, and we understand how transformative access to beam infrastructure can be for students and researchers.

System Status 

The General Ionex 1.7 MV Tandetron is currently: 

We are actively communicating with academic laboratories, national facilities, and industrial research groups regarding system placement.