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:
Jun. 28, 2022
Filed:
Jun. 22, 2017
Applicants:
Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung E.v., Munich, DE;
Friedrich-schiller-universität Jena, Jena, DE;
Inventors:
Ralf Steinkopf, Jena, DE;
Stefan Nolte, Jena, DE;
Christian Vetter, Besancon, FR;
Alexander Szameit, Bad Doberan, DE;
Herbert Gross, Kleinpurschutz, DE;
Marco Ornigotti, Tampere, FI;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/09 (2006.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0927 (2013.01); G02B 5/001 (2013.01); G02B 27/0905 (2013.01); G02B 27/0961 (2013.01);
Abstract
The invention relates to an arrangement for producing a Bessel beam (), comprising a beam-forming element (), which transforms a beam () incident as a plane electromagnetic wave into a Bessel beam (). According to the invention, the beam-forming element () comprises at least one annular lens (') and a Fourier optical unit, e.g. in the form of a Fourier lens ().