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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 24 — Dec. 15, 2006
  • pp: 3668–3670

Terahertz multiwavelength phase imaging without 2 π ambiguity

Liangliang Zhang, Yan Zhang, Cunlin Zhang, Yuejin Zhao, and Xiaohua Liu  »View Author Affiliations


Optics Letters, Vol. 31, Issue 24, pp. 3668-3670 (2006)
http://dx.doi.org/10.1364/OL.31.003668


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Abstract

We present a terahertz phase imaging method with multiwavelengths. This novel approach can image an object with a larger optical length compared with using the largest wavelength in the terahertz spectrum and does not involve the usual phase unwrapping in the detection of phase discontinuity. Furthermore, this technique can effectively reduce the noise background. We present two examples to demonstrate the validity of this new method. Both measurements show that multiwavelength phase imaging is a straightforward and efficient phase data processing method in terahertz imaging applications.

© 2006 Optical Society of America

OCIS Codes
(070.4560) Fourier optics and signal processing : Data processing by optical means
(110.1650) Imaging systems : Coherence imaging
(350.5030) Other areas of optics : Phase

ToC Category:
Other Areas of Optics

History
Original Manuscript: July 5, 2006
Manuscript Accepted: September 11, 2006
Published: November 22, 2006

Citation
Liangliang Zhang, Yan Zhang, Cunlin Zhang, Yuejin Zhao, and Xiaohua Liu, "Terahertz multiwavelength phase imaging without 2π ambiguity," Opt. Lett. 31, 3668-3670 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-24-3668

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