femtosecond pulse
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scholarly journals Femtosecond Pulse Generation by Nonlinear Optical Gain Modulation

2021 ◽  
pp. 2100255
Author(s):  
Weiao Qi ◽  
Jiaqi Zhou ◽  
Shuzhen Cui ◽  
Xin Cheng ◽  
Xin Zeng ◽  
...  
Keyword(s):  
Femtosecond Pulse ◽  
Nonlinear Optical ◽  
Optical Gain ◽  
Pulse Generation ◽  
Gain Modulation

Spectrum broadening of second harmonic femtosecond pulse in nonlinear crystal

2021 ◽  
Author(s):  
Sergey V. Alekseev ◽  
Valery F. Losev ◽  
Vladimir I. Trunov ◽  
Stanislav A. Frolov
Keyword(s):  
Femtosecond Pulse ◽  
Second Harmonic ◽  
Nonlinear Crystal

scholarly journals Photoionization of polarized doublet states of Xenon atom

2021 ◽  
Vol 2086 (1) ◽  
pp. 012174
Author(s):  
E A Viktorov ◽  
A A Pastor ◽  
P Yu Serdobintsev ◽  
K Miculis ◽  
N N Bezuglov
Keyword(s):  
Pulse Laser ◽  
Femtosecond Pulse ◽  
High Efficiency ◽  
Quantum Beats ◽  
Xenon Atom ◽  
Femtosecond Pulse Laser ◽  
Experimental Scheme ◽  
Two Photon ◽  
Oscillation Structure

Abstract We studied experimentally and theoretically the ionization of a two-photon excited superposition of 4f states of Xe atom by probe femtosecond pulse laser in a supersonic beam. The revealed oscillation structure in the observed photoionization signals is associated with the interference of the coherently populated components of Xe doublet states. Our results demonstrate the high efficiency of proposed experimental scheme for registering quantum beats in the photoelectron current.

Generation of adjustable femtosecond double pulses by diffraction of a chirped femtosecond pulse from volume Bragg gratings

Optik ◽  
2021 ◽  
Vol 247 ◽  
pp. 167871
Author(s):  
Haofan Wang ◽  
Weimeng Luan ◽  
Xiaona Yan
Keyword(s):  
Femtosecond Pulse ◽  
Bragg Gratings ◽  
Volume Bragg Gratings

DC two-photon absorption signal offset and intensity autocorrelation amplitude comparison in the femtosecond pulse focusing of lenses with spherical aberration

2021 ◽  
Author(s):  
José Agustín Moreno-Larios ◽  
Martha Rosete-Aguilar ◽  
Oscar G. Rodríguez-Herrera ◽  
Jesús Garduño-Mejía
Keyword(s):  
Femtosecond Pulse ◽  
Spherical Aberration ◽  
Photon Absorption ◽  
Absorption Signal ◽  
Two Photon Absorption ◽  
Two Photon

Research on hundred-watt level megahertz femtosecond pulse laser based on rod-type photonic crystal fiber

2021 ◽  
Author(s):  
Beibei Wang ◽  
Zhigang Peng ◽  
Zhaochen Cheng ◽  
Xu Yan ◽  
Pu Wang
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystal Fiber ◽  
Pulse Laser ◽  
Femtosecond Pulse ◽  
Femtosecond Pulse Laser ◽  
Crystal Fiber

Characteristics of nonlinear terahertz-wave radiation generated by mid-infrared femtosecond pulse laser excitation

2021 ◽  
Author(s):  
Kyuki Shibuya ◽  
Kouji Nawata ◽  
Yoshiaki Nakajima ◽  
Yuxi Fu ◽  
Eiji J Takahashi ◽  
...  
Keyword(s):  
Pulse Laser ◽  
Femtosecond Pulse ◽  
Laser Excitation ◽  
Terahertz Wave ◽  
Wave Radiation ◽  
Mid Infrared ◽  
Femtosecond Pulse Laser ◽  
Pulse Laser Excitation

OPCPA Front-End based on a Cr:ZnS Laser for Femtosecond Pulse Generation in the Mid-Infrared

2021 ◽  
Author(s):  
Pia Fuertjes ◽  
Lorenz von Grafenstein ◽  
Chao Mei ◽  
Uwe Griebner ◽  
Thomas Elsaesser
Keyword(s):  
Femtosecond Pulse ◽  
Pulse Generation ◽  
Mid Infrared ◽  
Front End
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