Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1997-12-19
1999-07-13
Epps, Georgia
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359265, 359271, 359272, 359275, G02F 1155, G02F 1153
Patent
active
059234563
ABSTRACT:
An electrochemical mirror includes a transparent first electrode and a second electrode distributed in localized areas. An electrolytic solution is disposed between the first and second electrodes and contains ions of a metal which can electrodeposit on the first and second electrodes. A negative electrical potential applied to the first electrode causes deposited metal to be dissolved from the second electrode into the electrolytic solution and to be electrodeposited from the solution onto the first electrode, thereby affecting the propagation of electromagnetic radiation through the mirror. A surface modification layer applied to the first electrode ensures that the electrodeposit is substantially uniform, resulting in a mirror layer which increases the reflectivity of the mirror. Conversely, a positive electrical potential applied to the first electrode causes deposited metal to be dissolved from the first electrode and electrodeposited from the solution onto the second electrode, thereby increasing the transmissivity of the mirror.
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Tench D. Morgan
Warren, Jr. Leslie F.
Deinken John J.
Epps Georgia
Lester Evelyn A.
O'Shaughnessy James P.
Rockwell International Corporation
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