Fig.6

Actual frequency features existing in the machined surface of KDP crystal: (a) Wavelength of 100 μm, (b) Wavelength of 74 μm, (c) Wavelength of 53 μm.

Actual frequency features existing in the machined surface of KDP crystal: (a) Wavelength of 100 μm, (b) Wavelength of 74 μm, (c) Wavelength of 53 μm.