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Xcimer Energy Starts Operations of Prototype for Laser Fusion Architecture

Started by Marlin, Jun 04, 2026, 09:33

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Marlin


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Xcimer Energy has commenced operations of Phoenix, a prototype laser system located in Denver. The facility utilizes a krypton fluoride excimer laser and Stimulated Brillouin Scattering to compress pulses for fusion research. This development marks the company's first step toward designing commercial fusion power plants for grid-scale electricity generation.

The project aims to address the high costs and maintenance requirements associated with existing solid-state glass laser architectures used in scientific research. By rebuilding industrial capabilities for large-scale electron-beam-pumped excimer lasers, the company seeks to create a more manufacturable system. This effort involves restoring specialized supply chains and transferring technical expertise to a new generation of engineers.

QuoteColorado-headquartered Xcimer Energy has announced the start of operations for Phoenix, what the company calls the largest privately owned laser system in the world. Phoenix, named after the legendary bird from Greek and Egyptian mythology, is the company's prototype for commercializing laser fusion.

Phoenix, housed in Xcimer's 74,000-square-foot Denver laser facility, is a proof of concept for what company officials call an "unconventional" fusion architecture: a krypton fluoride (KrF) excimer laser using Stimulated Brillouin Scattering (SBS) to compress a microsecond-long pulse into the nanosecond timescales fusion requires. The company on June 3 said Phoenix successfully demonstrates integrated operation of excimer amplification and SBS pulse compression.

Read the full article at POWER Magazine:
https://live-powermag.pantheonsite.io/xcimer-energy-starts-operations-of-prototype-for-laser-fusion-architecture/