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10 November 2017 Multichannel polarization imaging with a polarizing diffraction grating
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We present an experimental multichannel polarization imaging system based on a polarization diffraction grating (PDG). The PDG simultaneously creates six diffraction orders, each having a different polarization state. For this proof-of-concept experiment, we encoded the PDG onto a parallel-aligned liquid-crystal spatial light modulator (LCSLM), using a double-pass optical architecture. We use a birefringent object where the top is covered with a retardation film and the bottom is isotropic. We show experimental results, where we simultaneously produce six images of this birefringent object, each with a different polarization state. The proposed technique can produce a single-shot imaging polarimeter.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2017/$25.00 © 2017 SPIE
Jeffrey A. Davis, Ignacio Moreno, Joseph E. Holland, María M. Sánchez-López, and Don M. Cottrell "Multichannel polarization imaging with a polarizing diffraction grating," Optical Engineering 56(11), 113104 (10 November 2017).
Received: 10 August 2017; Accepted: 18 October 2017; Published: 10 November 2017

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