US Patent Issued to Nokia Technologies on April 21 for "Optical apparatus, optical modules, optical devices and methods" (Finnish Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,848, issued on April 21, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Optical apparatus, optical modules, optical devices and methods" was invented by Toni Johan Jarvenpaa (Akaa, Finland), Marja Pauliina Salmimaa (Tampere, Finland) and Jyrki Sakari Kimmel (Tampere, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a first light waveguide including: a first in-coupling diffraction grating to in-couple first input beams of light into the first light waveguide from a first light engine, a first expander to expand the first input beams of light to form first expanded beams of light, a first out-coupling diffractio...