US Patent Issued to HAMAMATSU PHOTONICS on June 23 for "Fiber laser device" (Japanese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,373, issued on June 23, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Fiber laser device" was invented by Masatoshi Sato (Hamamatsu, Japan) and Hirotake Fukuoka (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fiber laser device includes a first optical fiber, a second optical fiber, and a third optical fiber configured by polarization maintaining fibers. The first optical fiber includes at least one first part and at least two second parts alternatively disposed with the first part. The first part and the second part adjacent to each other are connected to each other such that a fast axis of the first part coincide...