Stimulated scattering of Bessel beams

Stephan Herminghaus; Steffen Klewitz; Paul Leiderer; Suren Sogomonian

doi:10.1117/12.239682

10 May 1996 Stimulated scattering of Bessel beams

Stephan Herminghaus, Steffen Klewitz, Paul Leiderer, Suren Sogomonian

Proceedings Volume 2700, Nonlinear Frequency Generation and Conversion; (1996) https://doi.org/10.1117/12.239682
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Light beams whose transverse intensity profile is given by the zero order Bessel function of the first kind, so-called Bessel beams, exhibit a sharp intensity maximum on the optic axis which, quite remarkably, does not spread even over macroscopic propagation distance. It is shown that this quasi non-diffracting behavior can lead to interesting novel pumping schemes in nonlinear optics. In experiments on stimulated Raman and Brillouin scattering of Bessel pump beams, we demonstrate that the frequency of the scattered radiation may be tuned without the use of a resonator, merely by changing the propagation constant of the Bessel beam. Due to the peculiar intensity distribution of the Bessel beam, the scattered beam is of particularly high quality and in the far field becomes intrinsically separated from the pump beam in the far field. Conversion efficiencies are comparable to those achieved with Gaussian beams.

Citation Download Citation

Stephan Herminghaus, Steffen Klewitz, Paul Leiderer, and Suren Sogomonian "Stimulated scattering of Bessel beams", Proc. SPIE 2700, Nonlinear Frequency Generation and Conversion, (10 May 1996); https://doi.org/10.1117/12.239682

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