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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1997),
  • paper QThA4

Spectroscopy with mid-infrared pulses generated by optical rectification of 15-fs pulses

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Abstract

15-fs optical pulses delivered by a Ti:sapphire oscillator can be optically rectified in second-order nonlinear materials such as GaAs, GaSe, or AgGaS2. The fast polarization transient thus induced radiates a mid-infrared pulse whose spectrum extends from 5 to 15 μm, with a pulse duration as short as 40 Fs.1 These pulses are ideally suited for investigating intersubband relaxation in quantum wells.

© 1997 Optical Society of America

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