US Patent Issued to EXFO Optics on July 28 for "Tunable laser having low intra-cavity chromatic aberrations" (French Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,272, issued on July 28, was assigned to EXFO Optics SAS (Lannion, France).

"Tunable laser having low intra-cavity chromatic aberrations" was invented by Alain Mugnier (Penvenan, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a tunable external-cavity laser and a tunable laser source based on such tunable external-cavity laser. The tunable external-cavity laser comprises: two reflective surfaces to form a laser cavity therebetween; an active waveguide for amplifying laser light propagating in the laser cavity; a tunable wavelength-selective filter within the laser cavity for selecting the emission wavelength of the tunable ex...