The driver-chamber interfaceis an active area of S&E study

• Important issue for both laser- and heavy-ion-driven designs:

  • Laser designs need to protect final optical component (sits in line-of-sight) and focusing mirror (sits just out of line-of-sight)
  • Heavy-ion designs need to protect final focusing magnets

• Radiation damage lifetimes make the driver-chamber interface an important environmental issue:

  • Damaged components could comprise a significant waste stream
  • Not all components (e.g., NbTi or Nb3Sn superconductors) would qualify for disposal via shallow land burial

• Down time for component replacement would negatively impact economics, plant availability, and occupational exposures

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