Optics: measuring and testing – By light interference – Spectroscopy
Reexamination Certificate
2011-03-08
2011-03-08
Toatley, Gregory J (Department: 2877)
Optics: measuring and testing
By light interference
Spectroscopy
Reexamination Certificate
active
07903254
ABSTRACT:
Fourier domain a/LCI (faLCI) system and method which enables in vivo data acquisition at rapid rates using a single scan. Angle-resolved and depth-resolved spectra information is obtained with one scan. The reference arm can remain fixed with respect to the sample due to only one scan required. A reference signal and a reflected sample signal are cross-correlated and dispersed at a multitude of reflected angles off of the sample, thereby representing reflections from a multitude of points on the sample at the same time in parallel. Information about all depths of the sample at each of the multitude of different points on the sample can be obtained with one scan on the order of approximately 40 milliseconds. From the spatial, cross-correlated reference signal, structural (size) information can also be obtained using techniques that allow size information of scatterers to be obtained from angle-resolved data.
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Pyhtila John W.
Wax Adam
Duke University
Richey Scott M
Toatley Gregory J
Winthrow & Terranova PLLC
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