Young’s Double-Slit interference patterns

Experimental Young’s Double-Slit interference patterns showing that the high harmonic keV X-ray beams are spatially coherent. The two patterns use X-ray supercontinua with wavelengths as short as 7.7 Å and 14 Å.

Credit: 
Tenio Popmintchev and Brad Baxley, Kapteyn-Murnane Research Group