Generalized 2D polarization encoding using liquid crystal spatial light modulators

Rene L. Eriksen; Paul C. Mogensen; Jesper Gluckstad

doi:10.1117/12.424845

16 April 2001 Generalized 2D polarization encoding using liquid crystal spatial light modulators

Rene L. Eriksen, Paul C. Mogensen, Jesper Gluckstad

Proceedings Volume 4291, Diffractive and Holographic Technologies for Integrated Photonic Systems; (2001) https://doi.org/10.1117/12.424845
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

We propose a generalized method for analyzing the polarization modulation of different types of liquid-crystal spatial light modulators. In our method, we use a Jones matrix representation for the polarization state of the modulated light. Contrary to previous investigations we are not restricted to a particular orientation of the fast axis of the spatial light modulator giving us a unique possibility for a complete polarization performance analysis. We show a method for spatially encoding the state of polarization in a two-dimensional wavefront with elliptically polarized light, controlling both the ellipticity and rotation angle of the major axes of the ellipse. We have constructed a demonstration system using two optically addressable phase-only spatial light modulators, where it is possible to control the relative phase of each modulation cell in the spatial light modulator. This gives a full two-dimensional control over the state of polarization and results are presented for the generation of arbitrary elliptically polarized two-dimensional wavefronts. The experimental performance of the system has been analyzed and found to be in good agreement with the theoretical analysis.

Citation Download Citation

Rene L. Eriksen, Paul C. Mogensen, and Jesper Gluckstad "Generalized 2D polarization encoding using liquid crystal spatial light modulators", Proc. SPIE 4291, Diffractive and Holographic Technologies for Integrated Photonic Systems, (16 April 2001); https://doi.org/10.1117/12.424845

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