US Patent Issued to McMaster University on June 30 for "Laser apparatus and method" (Canadian Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,223, issued on June 30, was assigned to McMaster University (Hamilton, Canada).

"Laser apparatus and method" was invented by Chang-Qing Xu (Dundas, Canada), Liam Flannigan (Hamilton, Canada) and Joshua Kneller (Hamilton, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A narrow linewidth mid infrared laser, including a pumping laser diode with a fast-axis compressor and a pumping wavelength Lambdao; and an optical resonator arranged to receive the pumping wavelength Lambdao, the optical resonator including a laser crystal with a lasing wavelength Lambdap, a dichroic mirror, and a nonlinear crystal to generate an idler wavelength Lambdai."

The ...