ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,113, issued on Jan. 28, was assigned to XEMED LLC (Durham, N.H.).

"Gaseous laser systems with edge-defining element and related techniques" was invented by F. William Hersman (Durham, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Gaseous laser systems and related techniques are disclosed. Techniques disclosed herein may be utilized, in accordance with some embodiments, in providing a gaseous laser system with a configuration that provides (A) pump illumination with distinct edge surfaces for an extended depth and (B) an output beam illumination from a resonator cavity with distinct edges in its reflectivity profile, thereby providing (C) pump ...