US Patent Issued to HAMAMATSU PHOTONICS on Aug. 4 for "Laser module" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,710, issued on Aug. 4, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Laser module" was invented by Tatsuo Dougakiuchi (Hamamatsu, Japan), Akio Ito (Hamamatsu, Japan) and Kazuue Fujita (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The laser module includes a QCL element, a diffraction grating unit including a movable diffraction grating, a first lens that transmits light emitted from an end surface of the QCL element and light returning from the movable diffraction grating to the QCL element, a second lens that transmits terahertz waves emitted from the QCL element, a first holder, and a package. The first holder has...