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:
Jul. 02, 2019
Filed:
Jul. 11, 2017
Applicant:
Coherent, Inc., Santa Clara, CA (US);
Inventors:
Lei Meng, Wilsonville, OR (US);
Michele Wayne Winz, Woodburn, OR (US);
Assignee:
COHERENT, INC., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/18 (2006.01); G02B 13/08 (2006.01); G01N 15/14 (2006.01); G02B 9/16 (2006.01); G02B 27/09 (2006.01); G02B 27/10 (2006.01); G02B 27/14 (2006.01); G02B 13/00 (2006.01); A61B 5/00 (2006.01);
U.S. Cl.
CPC ...
G02B 13/08 (2013.01); G01N 15/1434 (2013.01); G02B 9/16 (2013.01); G02B 13/0035 (2013.01); G02B 27/0905 (2013.01); G02B 27/0911 (2013.01); G02B 27/0966 (2013.01); G02B 27/1006 (2013.01); G02B 27/145 (2013.01); A61B 5/0071 (2013.01); G01N 2015/1438 (2013.01); G01N 2015/1452 (2013.01);
Abstract
In a flow cytometer, an objective lens for focusing an input laser-radiation beam including at least four different laser-radiation wavelengths in a common plane includes only three singlet lens-elements. Two of the elements are cylindrical elements arranged as a cylindrical telescope for shaping and reducing the size of the input laser-beam. The third element is a spherical element arranged to focus the reduced size beam in the common plane. In one example, all three elements are made from the same optical material.