A swept source OCT at 1300 nm with angular compounding for art and archaeological conservation

M. Hughes; D. A. Jackson; Adrian Gh. Podoleanu

doi:10.1117/12.816222

30 December 2008 A swept source OCT at 1300 nm with angular compounding for art and archaeological conservation

M. Hughes, D. A. Jackson, Adrian Gh. Podoleanu

Proceedings Volume 7139, 1st Canterbury Workshop on Optical Coherence Tomography and Adaptive Optics; 713917 (2008) https://doi.org/10.1117/12.816222
Event: 1st Canterbury Workshop and School in Optical Coherence Tomography and Adaptive Optics, 2008, Canterbury, United Kingdom

Abstract

We have assembled a swept source optical coherence tomography (OCT) system for use in Art & Archaeological Conservation. The system is illuminated by an in-house swept source with a central wavelength of 1300 nm. This system includes dedicated optics to allow for angular averaging for speckle noise reduction. We demonstrate that the averaging produces significant improvements in speckle SNR in art and archaeological type objects and allows easier identification of features. We further demonstrate that there is practically no loss of axial resolution.

Citation Download Citation

M. Hughes, D. A. Jackson, and Adrian Gh. Podoleanu "A swept source OCT at 1300 nm with angular compounding for art and archaeological conservation", Proc. SPIE 7139, 1st Canterbury Workshop on Optical Coherence Tomography and Adaptive Optics, 713917 (30 December 2008); https://doi.org/10.1117/12.816222

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