Author:
Kowalczyk Katarzyna M.,Allegre Hortense,Broughton Joseph,Wyatt Adam S.,Zhang Yu,Springate Emma,Tisch John W.G.,Marangos Jon,Matthews Mary
Abstract
We present a SWIR wavelength dependence study of high harmonics from MgO and α-Al2O3. We report robust enhancement for harmonic energies corresponding to the widest bandgap accompanied by gradual changes to the harmonic anisotropy.