SUPERCONDUCTING SEARCHING FILTER
Assignee
US Government
Filed as: UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE
Filed
Jul 20, 1989
Granted
Nov 3, 1992
Location
TIPP CITY OH US
Abstract
An optical reflection band filter structure for selectively blocking radiation within a preselected range of wavelengths is described which comprises a plurality of multipole elements of preselected configuration deposited with prescribed spacing in a periodic array on a substrate of dielectric material, each multipole configuration comprising a central element having shape corresponding to the overall shape of the multipole and a plurality of adjacent connected segments, all comprising a material characterized by transition from superconducting phase to insulating phase, upon being heated to a characteristic transition temperature, the central element having predetermined thickness and each transition segment disposed outwardly from the center element having higher transition temperature than the next inwardly disposed transition segment, and the central element.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jan 17, 1990
Rescinded
Oct 7, 1991
Duration
1 year, 8 months
Inventor
- 1ROBERT J. SPRY
Record Details
- Patent number
- US 5161068
- Application
- 07386798
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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