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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 29 — Oct. 10, 2009
  • pp: 5490–5496

Characterization of continuous-wave terahertz sources: laser mixing versus backward-wave oscillators

Stephan Martens, Bruno Gompf, and Martin Dressel  »View Author Affiliations


Applied Optics, Vol. 48, Issue 29, pp. 5490-5496 (2009)
http://dx.doi.org/10.1364/AO.48.005490


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Abstract

The tunable, continuous-wave terahertz (THz) radiation generated by mixing of two near-infrared laser lines in an antenna-coupled photomixer is compared with the monochromatic beam of backward-wave oscillators. The electromagnetic radiation of the different THz sources is characterized with respect to intensity, linewidth, degree of linear polarization, angular characteristic, beam quality, and M 2 value. The results are discussed with respect to applications in THz spectroscopy and imaging.

© 2009 Optical Society of America

OCIS Codes
(230.6080) Optical devices : Sources
(260.5430) Physical optics : Polarization
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Optical Devices

History
Original Manuscript: July 10, 2009
Manuscript Accepted: August 31, 2009
Published: October 1, 2009

Citation
Stephan Martens, Bruno Gompf, and Martin Dressel, "Characterization of continuous-wave terahertz sources: laser mixing versus backward-wave oscillators," Appl. Opt. 48, 5490-5496 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-29-5490

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