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Proceedings Paper

FlySPEX: a flexible multi-angle spectropolarimetric sensing system
Author(s): Frans Snik; Christoph U. Keller; Merijn Wijnen; Hubert Peters; Roy Derks; Edwin Smulders
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Paper Abstract

Accurate multi-angle spectropolarimetry permits the detailed and unambiguous characterization of a wide range of objects. Science cases and commercial applications include atmospheric aerosol studies, biomedical sensing, and food quality control. We introduce the FlySPEX spectropolarimetric fiber-head that constitutes the essential building block of a novel multi-angle sensing system. A combination of miniaturized standard polarization optics inside every fiber-head encodes the full linear polarization information as a spectral modulation of the light that enters two regular optical fibers. By orienting many FlySPEX fiber-heads in any desired set of directions, a fiber bundle contains the complete instantaneous information on polarization as a function of wavelength and as a function of the set of viewing directions. This information is to be recorded by one or several multi-fiber spectrometers. Not only is this system flexible in the amount of viewing directions and their configuration, it also permits multiplexing different wavelength ranges and spectral resolutions by implementing different spectrometers. We present the design and prototyping for a FlySPEX fiber-head that is optimized for both polarimetric accuracy and commercial series production. We integrate the polarimetric calibration of each FlySPEX fiber-head in the manufacturing process.

Paper Details

Date Published: 4 May 2016
PDF: 11 pages
Proc. SPIE 9853, Polarization: Measurement, Analysis, and Remote Sensing XII, 985308 (4 May 2016); doi: 10.1117/12.2223824
Show Author Affiliations
Frans Snik, Univ. Leiden (Netherlands)
NOVA (Netherlands)
Christoph U. Keller, Univ. Leiden (Netherlands)
Merijn Wijnen, MA3 Solutions BV (Netherlands)
Hubert Peters, MA3 Solutions BV (Netherlands)
Roy Derks, MA3 Solutions BV (Netherlands)
Edwin Smulders, MA3 Solutions BV (Netherlands)

Published in SPIE Proceedings Vol. 9853:
Polarization: Measurement, Analysis, and Remote Sensing XII
David B. Chenault; Dennis H. Goldstein, Editor(s)

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