Research/Patents/US 5382985
US 5382985

THERMOREFRACTIVE OPTICAL SWITCH

Assignee

UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE UNITED STATES AIR FORCE

Filed

Jun 14, 1991

Granted

Jan 17, 1995

Location

Arlington VA (defense contractors)

Abstract

An optical switching device is described which comprises a substrate of light absorbent material, a plurality of holes defined through the substrate containing a liquid material having an index of refraction which is highly temperature dependent within a selected temperature range of operation, the liquid-filled holes defining a plurality of waveguides for conducting light through the substrate.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Oct 7, 1991

Rescinded

May 19, 1994

Duration

2 years, 7 months

Inventor

  • 1ROGER J. BECKER

Sensitive facility: Arlington VA (defense contractors)

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records