NanoESCA (Omicron)

  Lateral resolution    Energy resolution  
  PEEM    ~50nm     ~100meV  
  XPS/ESCA    ~500nm   0.1-0.5eV  
  k-PEEM    ~50μm   ~100meV  
Light sources:
He-lamp, Hg-lamp, and Al Kα

Applications:
- Local chemical analysis
- Work function mapping (~50 nm resolution)
- Fast ARPES snapshot mode
- Dark-Field PEEM