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Simple detection of light polarization by using crossed polarization gratings
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View: Figures


Image of FIG. 1.
FIG. 1.

Chemical structure of a photo-cross-linkable copolymer liquid crystal.

Image of FIG. 2.
FIG. 2.

Patterns of polarization modulation afforded by recording two waves.

Image of FIG. 3.
FIG. 3.

Arrangement for recording crossed gratings. Arrows A, B, C, and D represent direction of grating vector.

Image of FIG. 4.
FIG. 4.

The variation in the theoretical diffraction efficiencies of gratings A, B, and C with an amplitude ratio of the incident beam.

Image of FIG. 5.
FIG. 5.

The variation in theoretical diffraction efficiencies of grating D with a phase difference between the two orthogonal components of the incident electric field.

Image of FIG. 6.
FIG. 6.

Typical diffraction pattern obtained from crossed gratings.

Image of FIG. 7.
FIG. 7.

Instances of polarization detection. Polarization states (a), (b), and (c) are shown in polar coordinates. Solid curves represent the analysis results, and filled plots represent the measured results obtained with the use of Glan-Thompson prisms.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Simple detection of light polarization by using crossed polarization gratings