A new set-up is proposed to measure the full polarimetric properties of a sample through an optical fiber, paving the way to full-Mueller endoscopic imaging. The technique combines a channeled spectrum polarimeter and an interferometer. This permits high-speed measurement of two Mueller matrices simultaneoulsy. The first matrix characterizes only the fiber while the second characterizes both fiber and sample. The instrument is validated on vacuum, a quarter-wave plate and a linear polarizer for single-point measurements. Insensitivity of the polarimetric measurement to fiber disturbances is proven while manipulating the fiber.
Sylvain Rivet, Adrian Bradu, and Adrian Podoleanu, "Fast full 4x4 Mueller polarimeter for endoscopic applications," Proc. SPIE 9700, Design and Quality for Biomedical Technologies IX, 970014 (Presented at SPIE BiOS: February 15, 2016; Published: 18 March 2016); https://doi.org/10.1117/12.2209418.
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