US Patent Issued to NATIONAL TIME SERVICE CENTER, CHINESE ACADEMY OF SCIENCES, HEFEI NATIONAL LABORATORY on Nov. 11 for "Dual frequency laser for dual mode optical lattice atomic clock" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,266, issued on Nov. 11, was assigned to NATIONAL TIME SERVICE CENTER, CHINESE ACADEMY OF SCIENCES (Xi'an, China) and HEFEI NATIONAL LABORATORY (Hefei, China).

"Dual frequency laser for dual mode optical lattice atomic clock" was invented by Jie Ren (Xi'an, China) and Hong Chang (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual frequency laser for a dual mode optical lattice atomic clock is provided, which includes a 532 nm pump laser source, a beam splitter set, a dichroic mirror, a titanium sapphire crystal, a birefringent crystal, an electro-optic crystal, a concave reflector and a PZT. The dichroic mirror and the concave reflect...