Japanese Inventors Develop Diffraction Element
Copyright © Targeted News Service 2008
2008-10-02
ALEXANDRIA, Va., Oct. 2 -- Hiromasa Sato and Yoshiharu Ooi, both of Fukushima, Japan, have developed a diffraction element.
According to the abstract released by the U.S. Patent & Trademark Office: "A diffraction element having concave/convex-like diffraction gratings in its two surfaces from which at least two separated light beams can be taken in the same direction without changing largely the propagating direction of diffracted light even if the temperature of the operating env . . .
According to the abstract released by the U.S. Patent & Trademark Office: "A diffraction element having concave/convex-like diffraction gratings in its two surfaces from which at least two separated light beams can be taken in the same direction without changing largely the propagating direction of diffracted light even if the temperature of the operating env . . .