Abstract
The design and operation of a noncontact surface profilometry system based on the time-correlated single-photon-counting technique are described. This system has a robust optomechanical design and uses an eye-safe laser that makes it particularly suitable for operation in an uncontrolled industrial environment. The sensitivity of the photon-counting technique permits its use on a variety of target materials, and its mode of operation does not require the continual presence of an operator. The system described has been optimized for a 1–25-m standoff, has a distance repeatability of <30 µm, and has a transverse spatial resolution of ∼60 µm at a 2-m standoff and ∼400 µm at a 13-m standoff.
© 2002 Optical Society of America
Full Article | PDF ArticleMore Like This
John S. Massa, Gerald S. Buller, Andrew C. Walker, Sergio Cova, Manikam Umasuthan, and Andrew M. Wallace
Appl. Opt. 37(31) 7298-7304 (1998)
Aongus McCarthy, Robert J. Collins, Nils J. Krichel, Verónica Fernández, Andrew M. Wallace, and Gerald S. Buller
Appl. Opt. 48(32) 6241-6251 (2009)
J. S. Massa, A. M. Wallace, G. S. Buller, S. J. Fancey, and A. C. Walker
Opt. Lett. 22(8) 543-545 (1997)