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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 2 — Jan. 10, 2010
  • pp: 213–219

Accuracy of active chirp linearization for broadband frequency modulated continuous wave ladar

Zeb W. Barber, Wm. Randall Babbitt, Brant Kaylor, Randy R. Reibel, and Peter A. Roos  »View Author Affiliations

Applied Optics, Vol. 49, Issue 2, pp. 213-219 (2010)

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As the bandwidth and linearity of frequency modulated continuous wave chirp ladar increase, the resulting range resolution, precisions, and accuracy are improved correspondingly. An analysis of a very broadband (several THz) and linear ( < 1 ppm ) chirped ladar system based on active chirp linearization is presented. Residual chirp nonlinearity and material dispersion are analyzed as to their effect on the dynamic range, precision, and accuracy of the system. Measurement precision and accuracy approaching the part per billion level is predicted.

© 2010 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(150.5670) Machine vision : Range finding
(150.3045) Machine vision : Industrial optical metrology
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 21, 2009
Revised Manuscript: December 9, 2009
Manuscript Accepted: December 10, 2009
Published: January 7, 2010

Zeb W. Barber, Wm. Randall Babbitt, Brant Kaylor, Randy R. Reibel, and Peter A. Roos, "Accuracy of active chirp linearization for broadband frequency modulated continuous wave ladar," Appl. Opt. 49, 213-219 (2010)

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