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Optica Publishing Group
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
  • Technical Digest (Optica Publishing Group, 2003),
  • paper QThJ27

Variation of spectral content of subcycle far-infrared pulses due to phase-amplitude modulation in near-field diffraction

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Abstract

Spectral content of subcycle electromagnetic pulses is not conserved under phase shift of the carrier with respect to the pulse envelope. We observe carrier-phase dependent large variation of the low frequency content of subcycle far-infrared (terahertz) pulses in the near-field zone of a subwavelength aperture.

© 2003 Optical Society of America

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