Machining metre-sized gratings with nanometre accuracy: award

Award from EPSRC

• Total: £0.9M over 3 years
  • 20% JSY
  • 25% EBS
  • 25% XS
  • 100% New PDRA
  • DFB/CAH PI time
  • £140k hardware
• Nominal start: July 2021

Silicon gratings

Concept

Magnetically-levitated "head"

On-head laser metrology

Measuring grating performance

Next steps

• Award letter: next few weeks
• New PDRA: start hiring process
• Aim for conceptual design by October?