Spatio-temporally resolved terahertz pulses elucidate the effect of spherical aberration on THz beam profiles. The observed “swallowtail” pulse shape predicted by catastrophe theory occurs in a wide range of ultrafast transmissive THz optical systems.
© 2004 Optical Society of America
M. T. Reiten and A. R. Cheville, "The role of spherical aberration on THz pulse propagation," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CMB6.
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