US Patent Issued to HAMAMATSU PHOTONICS on July 21 for "Laser module" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,185, issued on July 21, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Laser module" was invented by Hisanari Takahashi (Hamamatsu, Japan), Kazuue Fujita (Hamamatsu, Japan) and Shohei Hayashi (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The laser module includes a QCL element and a light source. The QCL element includes a substrate, a lower clad layer provided on the substrate, an active layer that is provided on an opposite side of the lower clad layer from the substrate and generates a first terahertz wave, an upper clad layer provided on an opposite side of the active layer from the lower clad layer, and a first...