Gesture recognition is a rapidly growing technology that enables human interaction with consumer electronics. Fundamental to gesture recognition is the generation of a custom light distribution that illuminates the users working with the electronics. Disturbances of the custom light pattern by the users are detected and analyzed to sense movements, facial expressions, and other image details in a rapid and efficient manner. RPC Photonics custom Engineered Diffusers provide a unique way to control the light distribution, offering broadband and efficient light management and great flexibility of light distribution. In addition, our polymer-on-glass products have been shown to withstand reflow conditions and relatively high optical fluence.