What are the practical uses of europium in various industries and applications?

Europium is used in various industries and applications for its unique properties. It is commonly used in the production of red phosphors for television screens and fluorescent lamps. Additionally, europium is used in nuclear reactors as a neutron absorber and in the manufacturing of certain types of lasers. Its ability to emit red light makes it valuable in the field of medical imaging and in the production of security features for banknotes.