Abstract: In accordance with the present invention, a crystal laser material that is suitable for self doubling is presented. A crystal according to the present invention includes a stoichiometric lithium niobate crystal isomorph host material doped with at least one laser ion. In some embodiments, the stoichiometric lithium niobate crystal isomorph host material is lithium niobate. In some embodiments, the stoichiometric lithium niobate crystal isomorph host material is lithium tantalate. In some embodiments, the at least one laser ion includes Ytterbium. In some embodiments, the at least one laser ion includes a rare-earth ion. In some embodiments, the stoichiometric lithium niobate crystal isomorph host material is periodically poled to provide quasi-phase matching. Additionally, further dopant ions, for example Magnesium, can be included.