Polarization-maintaining fiber-based optical low-coherence reflectometer for characterization and ranging of birefringence |
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Authors: | Davé Digant P Akkin Taner Milner Thomas E |
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Institution: | Department of Biomedical Engineering, University of Texas at Austin, Austin, Texas 78712, USA. dpdave@mail.utexas.edu |
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Abstract: | We describe a polarization-maintaining fiber-based polarization-sensitive optical low-coherence reflectometer for measurement of depth-resolved birefringence. Unlike for other fiber-based polarization-sensitive optical low-coherence reflectometers, here the linear birefringence of a sample can be measured from data recorded in a single A scan. Simultaneous measurement of retardation and orientation of birefringent axes with mica wave plates is demonstrated. The measured retardation is insensitive to sample rotation in the plane perpendicular to ranging. |
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