Rare-earth-doped ternary sulfides for mid-wave and long-wave IR lasers
AssigneeThe Government of the United States of America, as represented by the Secretary of the Navy
InventorsL. Brandon Shaw, Michael P. Hunt, Woohong Kim, Shyam S. Bayya, Steven R. Bowman, Frederic H. Kung, Jasbinder S. Sanghera, Christopher G. Brown
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Abstract
The invention relates to rare-earth-doped ternary sulfides. The rare-earth-doped ternary sulfides may be used as an active material for mid-wave infrared and long-wave infrared lasers and amplifiers. Methods for producing laser materials including rare-earth-doped ternary sulfides, as well as lasers and amplifiers incorporating the laser materials, are also provided.
Claims9
A laser gain medium comprising polycrystalline cubic CaLa2S4 doped with rare-earth ions on a lanthanide site thereof;
- wherein the gain media emits wavelengths from 2 μm to 12 μm.
A laser, comprising:
- a pump source;
- an optical cavity;
- and a laser gain medium comprising polycrystalline cubic CaLa2S4 doped with rare-earth ions on a lanthanide site thereof;
- wherein the gain media emits wavelengths from 2 μm to 12 μm.
Dependencies are inferred from the claim text.