Nonlinear optics for high-order frequency conversion: applied attosecond science

2007 ◽  
Author(s):  
X. Zhang ◽  
A. L. Lytle ◽  
D. Gaudiosi ◽  
T. Popmintchev ◽  
H. C. Kapteyn ◽  
...  
Keyword(s):  
Nonlinear Optics ◽  
Frequency Conversion ◽  
High Order ◽  
Attosecond Science

APPLICATIONS OF SUBMILLIMETER WAVEGUIDE TO LASER-MODE SELECTION AND NONLINEAR OPTICS

1992 ◽  
Vol 01 (01) ◽  
pp. 151-166
Author(s):  
J.Y. ZHOU ◽  
Q.X. LI ◽  
H.Z. WANG ◽  
Z.G. CAI ◽  
X.G. HUANG ◽  
...  
Keyword(s):  
Nonlinear Optics ◽  
Laser Physics ◽  
High Power ◽  
Nonlinear Optical ◽  
Optical Pulse ◽  
Frequency Conversion ◽  
Mode Selection ◽  
Transverse Mode ◽  
Broadband Radiation ◽  
Radiation Generation

Use of submillimeter waveguide for laser transverse mode control, four-wave parametric frequency conversion, ultrafast broadband radiation generation and optical pulse shortening are presented. This paper begins with a general introduction to the applications of submillimeter waveguide to laser physics and nonlinear optics. Transverse mode selection by using an intracavity capillary is then described. Nonlinear optical frequency conversion in gas-filled hollow dielectric and hollow metallic waveguide structures is discussed. Applications of submillimeter liquid-core fiber to stimulated scattering, ultrafast broadband radiation generation and optical pulse shortening are presented, and transient stimulated Rayleigh-Kerr scattering is proposed to explain the observations of these nonlinear optical processes. It is shown that the unique characterization of high usable pump power and high power emission of submillimeter waveguides makes the waveguide structures ideal for high-power, high-energy laser physics and nonlinear optics.

Generation of high-order harmonics at 100 kHz for attosecond science experiments

2018 ◽  
Author(s):  
Federico J. Furch ◽  
Felix Schell ◽  
Tobias Witting ◽  
Peter Šušnjar ◽  
Fabio Cavalcante ◽  
...  
Keyword(s):  
High Order ◽  
Attosecond Science

scholarly journals Optics-less focusing of XUV high-order harmonics

2019 ◽  
Vol 5 (4) ◽  
pp. eaau7175 ◽  
Author(s):  
L. Quintard ◽  
V. Strelkov ◽  
J. Vabek ◽  
O. Hort ◽  
A. Dubrouil ◽  
...  
Keyword(s):  
Harmonic Generation ◽  
Extreme Ultraviolet ◽  
High Order ◽  
Experimental Measurements ◽  
Harmonic Order ◽  
High Order Harmonic ◽  
Gas Medium ◽  
Beam Characteristics ◽  
Attosecond Science ◽  
Good Agreement

By experimentally studying high-order harmonic beams generated in gases, we show how the spatial characteristics of these ultrashort extreme-ultraviolet (XUV) beams can be finely controlled when a single fundamental beam generates harmonics in a thin gas medium. We demonstrate that these XUV beams can be emitted as converging beams and thereby get focused after generation. We study this optics-less focusing using a spatially chirped beam that acts as a probe located inside the harmonic generation medium. We analyze the XUV beam evolution with an analytical model and obtain very good agreement with experimental measurements. The XUV foci sizes and positions vary strongly with the harmonic order, and the XUV waist can be located at arbitrarily large distances from the generating medium. We discuss how intense XUV fields can be obtained with optics-less focusing and how the order-dependent XUV beam characteristics are compatible with broadband XUV irradiation and attosecond science.

Flat nonlinear optics: Efficient frequency conversion in ultrathin nonlinear metasurfaces

2015 ◽  
Author(s):  
J. Lee ◽  
N. Nookala ◽  
M. Tymchenko ◽  
J. S. Gomez-Diaz ◽  
A. Alu ◽  
...  
Keyword(s):  
Nonlinear Optics ◽  
Frequency Conversion
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