scholarly journals Angular distribution of nonlinear harmonic generation in helical undulators: A comparison between experiments and theory

2011 ◽  
Vol 654 (1) ◽  
pp. 575-579 ◽  
Author(s):  
E. Allaria ◽  
G. De Ninno ◽  
G. Geloni ◽  
C. Spezzani
Keyword(s):  
Angular Distribution ◽  
Harmonic Generation ◽  
Nonlinear Harmonic Generation

scholarly journals Fast reflective optic-based rotational anisotropy nonlinear harmonic generation spectrometer

2019 ◽  
Vol 90 (5) ◽  
pp. 053102 ◽  
Author(s):  
Baozhu Lu ◽  
Jason D. Tran ◽  
Darius H. Torchinsky
Keyword(s):  
Harmonic Generation ◽  
Nonlinear Harmonic Generation

Laser-induced Compton scattering from a bound electron

1992 ◽  
Vol 70 (1) ◽  
pp. 72-77 ◽  
Author(s):  
F. Ehlotzky
Keyword(s):  
Angular Distribution ◽  
Compton Scattering ◽  
Harmonic Generation ◽  
Cross Sections ◽  
Laser Field ◽  
Multiphoton Ionization ◽  
Ionization Threshold ◽  
Powerful Laser ◽  
Bound Electrons ◽  
Bound Electron

We investigate nonrelativistically Compton scattering by an electron bound in hydrogen in a powerful laser field. The corresponding nonlinear rates and cross sections are evaluated in a Keldysh-type of approximation and compared with the rates and cross sections of multiphoton ionization and harmonic generation. We find that multiphoton ionization overshadows Compton scattering by many orders of magnitude, however, Compton scattering may well compete with harmonic generation above the ionization threshold, since, in particular, both processes have the same angular distribution and only odd harmonics can be created by bound electrons, while in bound-free Compton scattering all harmonics will be generated.

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