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Title: High-order harmonic generation in a capillary discharge

Abstract

A pre-ionized medium created by a capillary discharge results in more efficient use of laser energy in high-order harmonic generation (HHG) from ions. It extends the cutoff photon energy, and reduces the distortion of the laser pulse as it propagates down the waveguide. The observed enhancements result from a combination of reduced ionization energy loss and reduced ionization-induced defocusing of the driving laser as well as waveguiding of the driving laser pulse. The discharge plasma also provides a means to spectrally tune the harmonics by tailoring the initial level of ionization of the medium.

Inventors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Colorado State Univ., Fort Collins, CO (United States); Univ. of Colorado, Denver, CO (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1176327
Patent Number(s):
7,729,403
Application Number:
11/804,888
Assignee:
Colorado State University Research Foundation (Fort Collins, CO); Regents of the University of Colorado, a body corporate (Denver, CO)
DOE Contract Number:  
FG02-04ER15592
Resource Type:
Patent
Resource Relation:
Patent File Date: 2007 May 21
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Rocca, Jorge J., Kapteyn, Henry C., Mumane, Margaret M., Gaudiosi, David, Grisham, Michael E., Popmintchev, Tenio V., and Reagan, Brendan A. High-order harmonic generation in a capillary discharge. United States: N. p., 2010. Web.
Rocca, Jorge J., Kapteyn, Henry C., Mumane, Margaret M., Gaudiosi, David, Grisham, Michael E., Popmintchev, Tenio V., & Reagan, Brendan A. High-order harmonic generation in a capillary discharge. United States.
Rocca, Jorge J., Kapteyn, Henry C., Mumane, Margaret M., Gaudiosi, David, Grisham, Michael E., Popmintchev, Tenio V., and Reagan, Brendan A. Tue . "High-order harmonic generation in a capillary discharge". United States. https://www.osti.gov/servlets/purl/1176327.
@article{osti_1176327,
title = {High-order harmonic generation in a capillary discharge},
author = {Rocca, Jorge J. and Kapteyn, Henry C. and Mumane, Margaret M. and Gaudiosi, David and Grisham, Michael E. and Popmintchev, Tenio V. and Reagan, Brendan A.},
abstractNote = {A pre-ionized medium created by a capillary discharge results in more efficient use of laser energy in high-order harmonic generation (HHG) from ions. It extends the cutoff photon energy, and reduces the distortion of the laser pulse as it propagates down the waveguide. The observed enhancements result from a combination of reduced ionization energy loss and reduced ionization-induced defocusing of the driving laser as well as waveguiding of the driving laser pulse. The discharge plasma also provides a means to spectrally tune the harmonics by tailoring the initial level of ionization of the medium.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {6}
}

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Works referenced in this record:

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