Abstract

A polarizer that uses the combined effects of birefringence and diffraction has been realized experimentally. A sheet of calcite was taken as the substrate, and a series of grooves with a sawtooth profile was manufactured on its surface by optical grinding and polishing. The sample polarizer shows good polarizing performance in test. The measured extinction ratio is better than 2×10-4 and can be improved further.

© 1997 Optical Society of America

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References

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  1. J. M. Bennett, in Handbook of Optics, 2nd ed., M. Bass, E. W. Van Stryland, D. R. Williams, and W. L. Wolfe, eds. (McGraw-Hill, New York, 1995), Vol.  II, pp. 3.2–3.32.
  2. S. Liu, C. Li, and Y. Chen, Appl. Phys. Lett. 67, 1972 (1995).
    [CrossRef]
  3. S. Liu and Y. Chen, Opt. Lett. 20, 1832 (1995).
    [CrossRef]
  4. M. C. Hutley, Diffraction Gratings (Academic, New York, 1982), pp. 13–40.

1995

S. Liu, C. Li, and Y. Chen, Appl. Phys. Lett. 67, 1972 (1995).
[CrossRef]

S. Liu and Y. Chen, Opt. Lett. 20, 1832 (1995).
[CrossRef]

Bennett, J. M.

J. M. Bennett, in Handbook of Optics, 2nd ed., M. Bass, E. W. Van Stryland, D. R. Williams, and W. L. Wolfe, eds. (McGraw-Hill, New York, 1995), Vol.  II, pp. 3.2–3.32.

Chen, Y.

S. Liu, C. Li, and Y. Chen, Appl. Phys. Lett. 67, 1972 (1995).
[CrossRef]

S. Liu and Y. Chen, Opt. Lett. 20, 1832 (1995).
[CrossRef]

Hutley, M. C.

M. C. Hutley, Diffraction Gratings (Academic, New York, 1982), pp. 13–40.

Li, C.

S. Liu, C. Li, and Y. Chen, Appl. Phys. Lett. 67, 1972 (1995).
[CrossRef]

Liu, S.

S. Liu and Y. Chen, Opt. Lett. 20, 1832 (1995).
[CrossRef]

S. Liu, C. Li, and Y. Chen, Appl. Phys. Lett. 67, 1972 (1995).
[CrossRef]

Appl. Phys. Lett.

S. Liu, C. Li, and Y. Chen, Appl. Phys. Lett. 67, 1972 (1995).
[CrossRef]

Opt. Lett.

Other

M. C. Hutley, Diffraction Gratings (Academic, New York, 1982), pp. 13–40.

J. M. Bennett, in Handbook of Optics, 2nd ed., M. Bass, E. W. Van Stryland, D. R. Williams, and W. L. Wolfe, eds. (McGraw-Hill, New York, 1995), Vol.  II, pp. 3.2–3.32.

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Figures (7)

Fig. 1
Fig. 1

Schematic of the polarizer structure, where d is the groove spacing, b is the width of the facet, and θb is the facet angle.

Fig. 2
Fig. 2

Calculated emergent intensity distribution from the designed polarizer λ=632.8 nm.

Fig. 3
Fig. 3

Calculated emergent intensity distribution from the designed polarizer λ=441.6 nm.

Fig. 4
Fig. 4

Photograph of the sample polarizer taken by a CCD camera (groove spacing, 0.5  mm).

Fig. 5
Fig. 5

Schematic of the test system.

Fig. 6
Fig. 6

Intensity distribution of the emergent o ray.

Fig. 7
Fig. 7

Intensity distribution of the emergent e ray.

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