A Co:MgF2 crystal laser was pumped with radiation (λ = 1.35 μm) from a neodymium glass laser. This resulted in generation of radiation of 1.6 J energy with a quantum efficiency of 67%. The Co:MgF2 crystal could thus be used for efficient conversion of λ = 1.3 μm laser beams, such as those from iodine photodissociation and chemical oxygen-iodine lasers
