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Proceedings Article

Cross-propagating beam-deflection measurements of third-order nonlinear optical susceptibility

[+] Author Affiliations
Sepehr Benis, David J. Hagan, Eric W. Van Stryland

CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)

Proc. SPIE 10088, Nonlinear Frequency Generation and Conversion: Materials and Devices XVI, 100880N (February 20, 2017); doi:10.1117/12.2251451
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From Conference Volume 10088

  • Nonlinear Frequency Generation and Conversion: Materials and Devices XVI
  • Konstantin L. Vodopyanov; Kenneth L. Schepler
  • San Francisco, California, United States | January 28, 2017

abstract

We extend our recently developed Beam-Deflection (BD) method which we used to determine the sign, magnitude, and ultrafast dynamics of bound electronic and nuclear nonlinear optical responses, to measure elements of the third-order nonlinear optical susceptibility tensor with longitudinal field components. In these measurements, in contrast to the conventional BD technique where excitation and probe beams are nearly collinear, the interaction geometry involves orthogonal propagation of excitation and probe beams. This cross-propagating BD method enables probing with the electric field polarized parallel to the wavevector of the excitation beam as well as conventional parallel and perpendicular polarizations as in most other experimental methods. This technique may be of use in detecting possible magneto-electric contributions to the nonlinear susceptibility. The ratio between parallel and perpendicular bound-electronic responses in this method is shown to be larger than the factor of 3 predicted by theory and measured in the conventional configuration. © (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Sepehr Benis ; David J. Hagan and Eric W. Van Stryland
" Cross-propagating beam-deflection measurements of third-order nonlinear optical susceptibility ", Proc. SPIE 10088, Nonlinear Frequency Generation and Conversion: Materials and Devices XVI, 100880N (February 20, 2017); doi:10.1117/12.2251451; http://dx.doi.org/10.1117/12.2251451


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