US 12,088,055 B2
Fluid edge cladding for spectroscopic absorption of laser emissions and amplified spontaneous emission
Andrew J. Bayramian, Marblehead, MA (US); and James A. DeMuth, Woburn, MA (US)
Assigned to Seurat Technologies, Inc., Wilmington, MA (US)
Filed by Seurat Technologies, Inc., Mountain View, CA (US)
Filed on Apr. 8, 2021, as Appl. No. 17/225,971.
Claims priority of provisional application 63/008,444, filed on Apr. 10, 2020.
Prior Publication US 2021/0320470 A1, Oct. 14, 2021
Int. Cl. H01S 3/04 (2006.01); H01S 3/042 (2006.01); H01S 3/06 (2006.01); H01S 3/16 (2006.01)
CPC H01S 3/0407 (2013.01) [H01S 3/042 (2013.01); H01S 3/0606 (2013.01); H01S 3/061 (2013.01); H01S 3/1611 (2013.01); H01S 3/1643 (2013.01); H01S 3/1653 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A laser amplifier, comprising:
a light pump source configured to generate light at a first wavelength or range of wavelengths;
an optically pumped laser amplifier having a gain medium that amplifies light at a second wavelength or range of wavelengths in response to receiving the generated light from the light pump source; and
a light absorbing cladding that at least partially surrounds the gain medium and forms a flow cavity between the gain medium and the light absorbing cladding that holds a coolant fluid and a solid matrix comprising a plurality of glass balls,
wherein the light absorbing cladding forming the flow cavity and the solid matrix absorbs light at the second wavelength or range of wavelengths from the optically pumped laser amplifier, and the coolant fluid flow through the solid matrix to remove waste heat from at least one of the solid matrix, the gain medium, and the light absorbing cladding.