Thermoelectric Cooling for Projection Lasers (.PDF Download)

Laser projectors used for entertainment applications utilize laser modules to generate 4K-resolution images with up to 75,000 lumens and a robust color palette. While commercial laser-projector systems have quickly evolved to be more energy-efficient, these systems still require up to 6 kW to generate bright, high-resolution images. Consequently, the high-power laser systems generate a significant amount of heat during operation. Heat can degrade the sensitive laser components, including the laser module (laser diodes and laser optics), laser-diode driver electronics, and optical scanning system.