The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2024
Filed:
Sep. 09, 2020
Korea Basic Science Institute, Yeonsu-gu, KR;
Institute for Basic Science, Yuseong-gu, KR;
Gwangju Institute of Science and Technology, Buk-gu, KR;
I Jong Kim, Seo-gu, KR;
Ji Yong Bae, Yuseong-gu, KR;
Hong Seung Kim, Sejong, KR;
Geon Hee Kim, Sejong, KR;
Ki Soo Chang, Yuseong-gu, KR;
Cheonha Jeon, Jinju, KR;
Il Woo Choi, Buk-gu, KR;
Chang Hee Nam, Buk-gu, KR;
KOREA BASIC SCIENCE INSTITUTE, Yeonsu-gu, KR;
INSTITUTE FOR BASIC SCIENCE, Yuseong-gu, KR;
GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY, Buk-gu, KR;
Abstract
A spiral phase plate, according to one embodiment, for generating a Laguerre Gaussian beam by reflecting an incident beam emitted from a light source, may comprise: a first quadrant area in which the step height increase rate per unit angle decreases progressively in one direction from the point with the lowest step height to the point with the highest step height; and a second quadrant area in which the step height increase rate per unit angle increases progressively in the one direction.