US Patent Issued to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES on Oct. 21 for "Device for measuring the refractive index of a fluid" (French Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,355, issued on Oct. 21, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).

"Device for measuring the refractive index of a fluid" was invented by Jerome Le Perchec (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a sensor, including: a planar entry guide comprising a first exit face and a planar transmission exit guide comprising a second entry face, a Fabry-Perot cavity configured to accommodate a fluid, and delimited by the first exit face of the planar entry guide and by the second entry face of the planar transmission exit guide, a planar reflection exit guide opticall...