EXULUS-HD1 & EXULUS-4K1 Spatial Light Modulators
Chapter 5: Software Operation
Rev I, October 18, 2022
Page 29
Figure 26 Generated interference pattern of uploaded image
Pattern mode
The pattern mode consist of two commonly used patterns: Fresnel Lens Pattern and Diffraction Pattern.
In Fresnel Lens mode, the wavelength and focal length can be defined by the user, 633 nm and 250 mm are the
default values for these two parameters.
Figure 27 Generation of Fresnel lens pattern