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Title: Directly driven source of multi-gigahertz, sub-picosecond optical pulses

Patent ·
OSTI ID:1223686

A robust, compact optical pulse train source is described, with the capability of generating sub-picosecond micro-pulse sequences, which can be periodic as well as non-periodic, and at repetition rates tunable over decades of baseline frequencies, from MHz to multi-GHz regimes. The micro-pulses can be precisely controlled and formatted to be in the range of many ps in duration to as short as several fs in duration. The system output can be comprised of a continuous wave train of optical micro-pulses or can be programmed to provide gated bursts of macro-pulses, with each macro-pulse consisting of a specific number of micro-pulses or a single pulse picked from the higher frequency train at a repetition rate lower than the baseline frequency. These pulses could then be amplified in energy anywhere from the nJ to MJ range.

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):
9,166,355
Application Number:
14/343,706
OSTI ID:
1223686
Resource Relation:
Patent File Date: 2012 Sep 12
Country of Publication:
United States
Language:
English

References (6)

Hybrid short-pulse amplifiers with phase-mismatch compensated pulse stretchers and compressors patent December 1998
Device and method for generating bursts of picosecond optical sub-pulses patent August 2014
Inexpensive variable rep-rate source for high-energy, ultrafast lasers patent-application December 2004
High power short pulse fiber laser patent-application October 2005
Practical approach for one mJ femtosecond fiber laser patent-application August 2007
Source of Femtosecond Laser Pulses patent-application January 2011

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