24 February 2006 Novel integrated polarization analyzer sensor made by ion-exchange in glass
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Abstract
In this paper, we propose a novel integrated polarization analyzer sensor (IPAS) made by ion exchange on a glass substrate. It is capable to determine the polarization state of a light beam: elliptical, circular or linear. Furthermore, in the first case, the sensor measures the ellipse's eccentricity and the angle between its major axis and the x-axis of the IPAS (parallel to the glass' top surface). Also, for linear polarization, the angle between polarization direction and the x-axis of the IPAS is measured. The IPAS consists in two Y-junctions that gives three different outputs. The first one is directly one of the two output waveguides of the first Y-junction. The two other outputs are the waveguides following the second Y-junction. Before the latter, a piezoelectric plate creates an artificial anisotropy when it is excited electrically. For each one of the three output signals, a polarizer is inserted between the waveguide's end and a photo-detector. It is demonstrated here that, with adequate signal processing, it is possible to obtain all the information on the polarization state of a light beam.
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Pierre Lemaître-Auger, Pierre Lemaître-Auger, Khelifa Djerroud, Khelifa Djerroud, Philippe Benech, Philippe Benech, Pierre Benech, Pierre Benech, } "Novel integrated polarization analyzer sensor made by ion-exchange in glass", Proc. SPIE 6123, Integrated Optics: Devices, Materials, and Technologies X, 61230E (24 February 2006); doi: 10.1117/12.645785; https://doi.org/10.1117/12.645785
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