Grating surface plasmon coupler

Details Grating surface plasmon coupler Grating surface plasmon coupler

1983-03-11

1988-08-23

Sikes, William L.

350 9619, 35016217, G02B 626, G02B 518, G02B 634

Patent

active

047657057

ABSTRACT:
Devices for efficiently coupling electromagnetic radiation in the far infrared and sub-millimeter microwave regions of the electromagnetic spectrum to surface electromagnetic waves comprise a material of negative dielectric constant having a grating contoured surface overcoated with a transparent organopolymeric material. The efficiency of coupling between the free radiation and the surface electromagnetic waves can be optimized by adjusting the thickness of the overcoating layer.

REFERENCES:
patent: 4432614 (1984-02-01), McNeill et al.

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