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Generation and field-resolved detection of femtosecond electromagnetic pulses tunable up to 41 THz

Appl. Phys. Lett. 76, 3191 (2000); doi:10.1063/1.126625

Issue Date: 29 May 2000

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R. Huber, A. Brodschelm, F. Tauser, and A. Leitenstorfer
Physik-Department E11, Technische Universität München, D-85748 Garching, Germany
Bandwidth-limited infrared pulses as short as 50 fs are generated in thin GaSe crystals by phase-matched optical rectification of 10 fs laser pulses. The central frequency of the transients is continuously tunable over a wide interval extending from 41 THz (lambda= 7 µm) to the far-infrared. The electric field of the THz transients is directly monitored via ultrabroadband free-space electro-optic sampling. A simulation of the spectra based on a plane-wave model shows excellent agreement with the experiment. ©2000 American Institute of Physics.
History: Received 8 February 2000; accepted 5 April 2000
Permalink: http://link.aip.org/link/?APPLAB/76/3191/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.65.Re
    Optics Nonlinear optics Ultrafast processes; optical pulse generation and pulse compression
  • 07.57.Hm
    Instruments, apparatus, components, and techniques common to several branches of physics and astronomy Infrared, submillimeter wave, microwave and radiowave instruments, equipment and techniques Infrared, submillimeter wave, microwave, and radiowave sources
  • 42.72.Ai
    Optics Optical sources and standards Infrared sources
  • 42.60.Fc
    Optics Laser optical systems: design and operation Modulation, tuning, and mode locking
  • 42.70.Nq
    Optics Optical materials Other nonlinear optical materials; photorefractive and semiconductor materials
  • YEAR: 2000

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (20)
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