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 (2)

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

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

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

Appl. Phys. Lett. (1)

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

Opt. Lett. (1)

Other (2)

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.

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

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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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