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Title: Phased laser array with tailored spectral and coherence properties

Patent ·
OSTI ID:1131898
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Architectures for coherently combining an array of fiber-based lasers are provided. By matching their lengths to within a few integer multiples of a wavelength, the spatial and temporal properties of a single large laser are replicated, while extending the average or peak pulsed power limit.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
8,731,010
Application Number:
13/073,801
OSTI ID:
1131898
Resource Relation:
Patent File Date: 2011 Mar 28
Country of Publication:
United States
Language:
English

References (8)

Opto-electronic oscillator having a positive feedback with an open loop gain greater than one patent March 1998
Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter patent September 1999
Heterodyne wavefront sensor patent May 2001
Implementation of ultrahigh frequency emitters and applications to radar and telecommunications patent September 2004
Digital control of actively mode-locked lasers patent January 2005
Tuning of laser wavelength in actively mode-locked lasers patent January 2005
System and method for coherent beam combination patent February 2011
Laser beam combining for high-power, high-radiance sources journal May 2005

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