Research/Patents/US 5377010
US 5377010Tier 2 — Research Body

AIR PATH BEAM COMBINING OPTICS FOR A RING LASER

Assignee

Litton Systems

Filed as: LITTON SYSTEMS, INC.

Filed

Dec 22, 1989

Granted

Dec 27, 1994

Location

LA CRESCENTA CA US

Abstract

An output beam combining apparatus for recombining diverging output beams from a ring laser. One preferred embodiment of the present invention includes a first planar mirror mounted to an exterior surface of a ring laser output mirror and having a reflective coating oriented generally perpendicular to the output mirror along with a second planar mirror disposed adjacent to the first mirror and having a reflective coating oriented perpendicular to the reflective plane of the first mirror. In use a first output beam from the ring laser is reflected back to the rear surface of the ring laser output mirror along a path parallel to but displaced from its initial path. This return beam is then reflected off of the rear surface of the output mirror along a path that is collinear with a second output beam from the ring laser so as to form a combined beam that is directed to a suitable detector.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Nov 2, 1990

Rescinded

Jul 29, 1994

Duration

3 years, 9 months

Inventor

  • 1DAVID B. HALL

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