US Patent Issued to HAMAMATSU PHOTONICS on July 21 for "Quantum-cascade laser module" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,176, issued on July 21, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Quantum-cascade laser module" was invented by Naota Akikusa (Hamamatsu, Japan) and Tatsuo Dougakiuchi (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A QCL module according to an embodiment includes a package accommodating a QCL element and provided with a window material for extracting a laser beam emitted from the QCL element to the outside, a lens hold member for holding a lens on which the laser beam output from the window material is incident, a cooling fan for cooling the package, and a base for holding the package, the lens hold member, and ...