Phase matching of high order harmonic generation using dynamic phase modulation caused by a non-collinear modulation pulse
Abstract
Phase matching high harmonic generation (HHG) uses a single, long duration non-collinear modulating pulse intersecting the driving pulse. A femtosecond driving pulse is focused into an HHG medium (such as a noble gas) to cause high-harmonic generation (HHG), for example in the X-ray region of the spectrum, via electrons separating from and recombining with gas atoms. A non-collinear pulse intersects the driving pulse within the gas, and modulates the field seen by the electrons while separated from their atoms. The modulating pulse is low power and long duration, and its frequency and amplitude is chosen to improve HHG phase matching by increasing the areas of constructive interference between the driving pulse and the HHG, relative to the areas of destructive interference.
- Inventors:
-
- Boulder, CO
- Issue Date:
- Research Org.:
- Rugents of the University of Colorado a body corporate (Denver, CO)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1014195
- Patent Number(s):
- 7664147
- Application Number:
- US Patent Application 12/002,523
- Assignee:
- Rugents of the University of Colorado a body corporate (Denver, CO)
- Patent Classifications (CPCs):
-
G - PHYSICS G02 - OPTICS G02F - DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING
H - ELECTRICITY H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR H05G - X-RAY TECHNIQUE
- DOE Contract Number:
- FG52-06NA26151
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Cohen, Oren, Kapteyn, Henry C, and Mumane, Margaret M. Phase matching of high order harmonic generation using dynamic phase modulation caused by a non-collinear modulation pulse. United States: N. p., 2010.
Web.
Cohen, Oren, Kapteyn, Henry C, & Mumane, Margaret M. Phase matching of high order harmonic generation using dynamic phase modulation caused by a non-collinear modulation pulse. United States.
Cohen, Oren, Kapteyn, Henry C, and Mumane, Margaret M. Tue .
"Phase matching of high order harmonic generation using dynamic phase modulation caused by a non-collinear modulation pulse". United States. https://www.osti.gov/servlets/purl/1014195.
@article{osti_1014195,
title = {Phase matching of high order harmonic generation using dynamic phase modulation caused by a non-collinear modulation pulse},
author = {Cohen, Oren and Kapteyn, Henry C and Mumane, Margaret M},
abstractNote = {Phase matching high harmonic generation (HHG) uses a single, long duration non-collinear modulating pulse intersecting the driving pulse. A femtosecond driving pulse is focused into an HHG medium (such as a noble gas) to cause high-harmonic generation (HHG), for example in the X-ray region of the spectrum, via electrons separating from and recombining with gas atoms. A non-collinear pulse intersects the driving pulse within the gas, and modulates the field seen by the electrons while separated from their atoms. The modulating pulse is low power and long duration, and its frequency and amplitude is chosen to improve HHG phase matching by increasing the areas of constructive interference between the driving pulse and the HHG, relative to the areas of destructive interference.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 16 00:00:00 EST 2010},
month = {Tue Feb 16 00:00:00 EST 2010}
}
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