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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 1 — Jan. 1, 2005
  • pp: 121–125

Imaging at 3.4 THz with a quantum-cascade laser

Danielle R. Chamberlin, Peter R. Robrish, William R. Trutna, Giacomo Scalari, Marcella Giovannini, Lassaad Ajili, and Jerome Faist  »View Author Affiliations


Applied Optics, Vol. 44, Issue 1, pp. 121-125 (2005)
http://dx.doi.org/10.1364/AO.44.000121


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Abstract

We have assembled a single-frequency imaging system at 3.4 THz with a quantum-cascade laser. Images of electronic and biological applications are demonstrated. We operate the laser with a peak output power of 2.5 mW at a 7% duty cycle and a 22 K operating temperature. The minimum spot size is 340 μm. The signal is detected with a single-element deuterated triglycine sulfate detector, and images are captured by scanning of the sample.

© 2005 Optical Society of America

OCIS Codes
(110.2970) Imaging systems : Image detection systems
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers

History
Original Manuscript: June 25, 2004
Revised Manuscript: October 9, 2004
Manuscript Accepted: October 9, 2004
Published: January 1, 2005

Citation
Danielle R. Chamberlin, Peter R. Robrish, William R. Trutna, Giacomo Scalari, Marcella Giovannini, Lassaad Ajili, and Jerome Faist, "Imaging at 3.4 THz with a quantum-cascade laser," Appl. Opt. 44, 121-125 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-1-121

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