POLAR is a novel compact space-borne polarimeter based on the Compton scattering principle and conceived for a precise measurement of hard X-ray/Gamma-ray polarization. It is optimized for the polarization detection of the prompt emission of Gamma-Ray Bursts (GRB). POLAR can also make precise measurements of polarization in solar flares.

A full flight model of POLAR has been constructed and integrated into TG-2 system. The Chinese Space Station TG-2 is scheduled for launch in September of 2016. The 1st POLAR workshop will be held in Beijing, China, on May 3-4, 2016.