Referenced Items are not available for this document.
Distinct reference and signal interferometers in combination with a gas-cell spectral reference are employed to increase sensitivity and environmental stability of a swept source phase-sensitive optical coherence tomography. A displacement sensitivity (DS) of 65 pm at 280-μm depth and DS degradation with depth of 0.0015 rad/mm is achieved. Differential DS of 234 pm in a 127-μm -thick scattering phantom is six-fold superior to previously reported values. DS degradation with a depth of 0.026 rad/mm is reported for tissue-like scattering phantoms. Measured depth-dependent DS suggests that digitization time jitter noise contributes to degradation of phase sensitivity with depth.
Published in:
Photonics Technology Letters, IEEE
(Volume:22
,
Issue:
20
)
Date of Publication: Oct.15, 2010
- Page(s):
- 1524 - 1526
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 11534989
- Digital Object Identifier :
- 10.1109/LPT.2010.2055842
- Product Type:
- Journals & Magazines
- Date of Publication :
- 01 July 2010
- Date of Current Version :
- 23 September 2010
- Issue Date :
- Oct.15, 2010
- Sponsored by :
- IEEE Photonics Society
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