1. An illumination system comprising: a light source configured to generate an illumination signal; one or more optical elements aligned to direct a portion of light of the illumination signal; a light detector positioned to receive light directed from the one or more optical elements, wherein the light detector is configured to generate an output signal based on the light directed from the optical element; and control circuitry connected to monitor the output signal of the light detector, wherein the control circuitry is configured to detect a change in a configuration position of one or more elements of the illumination system.