Method for generating a laser pulse for the fine machining...

Details Method for generating a laser pulse for the fine machining... Method for generating a laser pulse for the fine machining...

2006-07-20

2011-11-29

Stafford, Patrick (Department: 2828)

Coherent light generators

Optical fiber laser

C372S097000, C372S108000, C372S026000

Reexamination Certificate

active

08068520

ABSTRACT:
Method for generating a laser pulse for the fine machining of workpieces using a fiber laser, the laser fiber of which is optically pumped by use of at least one diode laser which is operated by a current pulse whose slew rate, pulse height, and pulse length are adjusted in adaptation to the laser fiber in such a way that the laser pulse (22) is initially composed of a primary relaxation pulse (A), independently of the pulse length of the current pulse.

REFERENCES:
patent: 5059764 (1991-10-01), Baer
patent: 5393371 (1995-02-01), Chang et al.
patent: 5642067 (1997-06-01), Grace
patent: 5719372 (1998-02-01), Togari et al.
patent: 6980571 (2005-12-01), Press et al.
patent: 2005/0035101 (2005-02-01), Jones et al.
Zervas, et al., “Single and few-moded high power fibre lasers for industrial applications” Southampton Photonics, Inc.

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