A Spatial Light Modulator (SLM) is an active device based on electro-optic, acousto-optic, magneto-optic, or photorefractive optical effects. It enables real-time modulation of optical parameters of a light field (amplitude, phase, polarization state), writes information during the process, and assists in achieving optical field control. The LBTEK Spatial Light Modulator utilizes reflective Liquid Crystal on Silicon (LCoS) microdisplay technology. Through electrical signal control, it enables single-pixel addressable free-phase modulation on the silicon-based liquid crystal, generating arbitrary two-dimensional phase patterns. The accompanying software GUI allows adjustment of the SLM's phase response at different wavelengths and provides functions such as image input, dynamic display, and computer-generated holography. For more related working modes, please refer to the product manual.