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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 25 — Sep. 1, 2008
  • pp: 4569–4573

In situ monitoring of surface postprocessing in large-aperture fused silica optics with optical coherence tomography

Gabe M. Guss, Isaac L. Bass, Richard P. Hackel, Christian Mailhiot, and Stavros G. Demos  »View Author Affiliations


Applied Optics, Vol. 47, Issue 25, pp. 4569-4573 (2008)
http://dx.doi.org/10.1364/AO.47.004569


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Abstract

Optical coherence tomography (OCT) is explored as a method to image laser-damage sites located on the surface of large aperture fused silica optics during postprocessing via CO 2 laser ablation. The signal analysis for image acquisition was adapted to meet the sensitivity requirements for this application. A long-working-distance geometry was employed to allow imaging through the opposite surface of the 5 cm thick optic. The experimental results demonstrate the potential of OCT for remote monitoring of transparent material processing applications.

© 2008 Optical Society of America

OCIS Codes
(120.4630) Instrumentation, measurement, and metrology : Optical inspection
(140.3380) Lasers and laser optics : Laser materials
(180.1655) Microscopy : Coherence tomography

ToC Category:
Imaging Systems

History
Original Manuscript: April 8, 2008
Revised Manuscript: July 18, 2008
Manuscript Accepted: July 24, 2008
Published: August 28, 2008

Citation
Gabe M. Guss, Isaac L. Bass, Richard P. Hackel, Christian Mailhiot, and Stavros G. Demos, "In situ monitoring of surface postprocessing in large-aperture fused silica optics with optical coherence tomography," Appl. Opt. 47, 4569-4573 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-25-4569

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