Research/Patents/US 5362956
US 5362956

PISTON ERROR SENSOR FOR PHASED OPTICAL ARRAYS

Assignee

UNITED TECHNOLOGIES CORPORATION

Filed

Apr 22, 1983

Granted

Nov 8, 1994

Location

WEST PALM BEACH FL US

Abstract

The piston error problem in a multi-laser optical system having a plurality of parallel component beams is solved by a control loop that responds to a path length difference signal generated by the interference of two of the component beams to adjust one of a set of adjustable component mirrors to reduce the path length difference.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Nov 29, 1984

Rescinded

Apr 15, 1994

Duration

9 years, 4 months

Inventor

  • 1DAVID ANAFI

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