Optical beam flattening using multi-mode fiber

Details Optical beam flattening using multi-mode fiber Optical beam flattening using multi-mode fiber

2008-12-05

2010-06-01

Healy, Brian M (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling function

C385S027000, C385S031000, C385S123000, C385S147000, C219S121600, C219S121630, C219S121650, C219S121670

Reexamination Certificate

active

07729574

ABSTRACT:
The present invention includes a device and method to create a light beam having substantially uniform far-field intensity. Light from a laser source is directed to at least one multimode optical fiber configured produce an intensity profile approximated by a Bessel function.

REFERENCES:
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patent: 6532244 (2003-03-01), Dewey et al.
patent: 7072543 (2006-07-01), Pierce et al.
patent: 2004/0037496 (2004-02-01), Pierce
patent: 2004/0071398 (2004-04-01), Pierce et al.
patent: 2009/0208170 (2009-08-01), Moriarty
“Laser Beam Welding”, [online] [retrieved on Apr. 29, 2009] Retrieved from the internet <URL:http://www.joiningtech.com
ews/laserbeamwelding—24/>, 8 pages.

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