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Applied Optics

Applied 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)

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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

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

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)

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  1. A. K. Burnham, L. A. Hackel, P. J. Wegner, T. G. Parham, L. W. Hrubesh, B. M. Penetrante, P. K. Whitman, S. G. Demos, J. A. Menapace, M. J. Runkel, M. J. Fluss, M. D. Feit, M. H. Key, and T. A. Biesiada, “Improving 351 nm damage performance of large aperture fused silica and DKDP optics,” Proc. SPIE 4679, 173-185 (2002). [CrossRef]
  2. S. G. Demos, M. Staggs, M. R. Kozlowski, “Investigation of processes leading to damage growth in optical materials for large-aperture lasers,” Appl. Opt. 41, 3628-3633 (2002). [CrossRef] [PubMed]
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  8. M. Bashkansky, D. Lewis, V. Pujari, J. Reintjes, and H. Y. Yu, “Subsurface detection and characterization of Hertzian cracks in Si2N4 balls using optical coherence tomography,” NDT&E Int. 34, 547-555 (2001). [CrossRef]
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  10. N. A. Nassif, B. Cense, B. H. Park, M. C. Pierce, S. H. Yun, B. E. Bouma, G. J. Tearney, T. C. Chen, and J. F. de Boer, “In vivo high-resolution video-rate spectral-domain optical coherence tomography of the human retina and optic nerve,” Opt. Express 12, 367-376 (2004). [CrossRef] [PubMed]
  11. R. Huber, M. Wojtkowski, K. Taira, J. G. Fujimoto, and K. Hsu, “Amplified, frequency swept lasers for frequency domain reflectometry and OCT imaging: design and scaling principles,” Opt. Express 13, 3513-3528 (2005). [CrossRef] [PubMed]
  12. Y. Yasuno, V. Madjarova, S. Makita, M. Akiba, A. Morosawa, C. Chong, T. Sakai, K. Chan, M. Itoh, and T. Yatagai, “Three-dimensional and high-speed swept-source optical coherence tomography for in vivo investigation of human anterior eye segments,” Opt. Express 13, 10652-10664 (2005). [CrossRef] [PubMed]
  13. C. W. Xi, D. L. Marks, D. S. Parikh, L. Raskin, and S. A. Boppart, “Structural and functional imaging of 3D microfluidic mixers using optical coherence tomography,” Proc. Natl. Acad. Sci. U.S.A. 101, 7516-7521 (2004). [CrossRef] [PubMed]
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