Solar simulator
![working principle of a 1 Lamp Solar Simulator, typically are used a Xenon short arc lamp](/Images/godic/202502/12/1_Lamp_solar_simulator3649.jpg")
![Spectrum information from a Class AAA 1 Lamp Solar Simulator by using a Xenon Lamp.](/Images/godic/202502/12/WACOM-Xe-Lamp3649.jpg")
A solar simulator (also artificial sun) is a device that provides illumination approximating natural sunlight. The purpose of the solar simulator is to provide a controllable indoor test facility under laboratory conditions, used for the testing of solar cells, sun screen, plastics, and other materials and devices.