US Patent Issued to II-VI DELAWARE on May 12 for "Optical fiber filter with ultra-wide tuning range" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,324, issued on May 12, was assigned to II-VI DELAWARE INC. (Wilmington, Del.).

"Optical fiber filter with ultra-wide tuning range" was invented by Yongkang Hu (Fuzhou, China) and Ketang Tan (Fuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical fiber filter has an ultra-wide tuning range and includes a two-dimensional mechanical rotating mirror, a collimating and beam expanding system, and two gratings. An input fiber emits a multi-wavelength optical signal into the rotating mirror, which reflects the signal to the system to form collimated beams. In turn, the collimated beams are incident on the gratings that disperse the light of ...