Polarizer

Details Polarizer Polarizer

1990-10-16

1991-10-29

Arnold, Bruce Y.

Optical: systems and elements

Polarization without modulation

By relatively adjustable superimposed or in series polarizers

359589, 359831, G02B 528, G02B 530

Patent

active

050610503

ABSTRACT:
An improved polarizer employing thin films is provided having higher optical properties and capable of fabricating in the mass production and reducing in the overall size or thickness. Particularly, a layer of optical element for polarizing separation of light extends over an undulated surface of a substrate having a cross section of either trapezoid-waveform or triangle-waveform oriented in a particular direction. The substrate having a trapezoid-waveform surface incorporates layers of optical element for reflection or absorption of light which are provided on the upper- and lower-base regions, excluding the sloping regions, of the trapezoid-waveform surface. On the other hand, the substrate having a triangle-waveform surface incorporates layers of optical element for absorption of light which are provided on the upper and lower peak regions of the triangle-waveform surface.

REFERENCES:
patent: 2769111 (1956-10-01), Sadowsky
patent: 3338730 (1967-08-01), Slade et al.

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