Method and device for polarizing light radiation

Details Method and device for polarizing light radiation Method and device for polarizing light radiation

1986-06-30

1988-07-05

Punter, William H.

350170, G02B 530, G02B 2728

Patent

active

047550279

ABSTRACT:
A radial or tangential polarization of a beam of light radiation with respect to an optical axis, along which said beam propagates, is effected by causing interaction of the beam with at least one conical interface between a pair of optical media having different indices of refraction. The conical interface(s) may be provided with a polarization-selective coating.

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Azzam, R. M. A., "Division-of-Wave-Front Polarizing Beam Splitter & Half-de Device using Dielectric Thin Film on Dielectric Substrate", App. Optics, 5-1984, pp. 1296-1298.
Lavoie, L., "Conical Axicons used as Optical Polar Everters", App. Optics, 7-1975, pp. 1482-1484.
Rioux et al. "Linear Annular & Radial Focusing with Axicons & Applications to Laser Machining", App. Optics, 5-1978, pp. 1532-1536.
Fink, D., "Polarization Effects of Axicons", App. Optics, 3-1979, pp. 581-582.

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