MOVEMENT AND FOCUS CONTROL SYSTEM FOR A HIGH-ENERGY LASER
Assignee
CHARLES STARK DRAPER LABORATORY, INC., THE, 55 TECHNOLOGY SQUARE, CAMBRIDGE, MA. 02139, A CORP. OF MA.
Filed
Oct 28, 1985
Granted
Sep 20, 1988
Location
WINCHESTER MA US
Abstract
An alignment laser and cooperative optics are operable to produce sensor images of the cavity mirrors of a high-energy laser system. Means are disclosed responsive to the centroids of the sensor images for providing real-time closed-loop pointing direction control. Means are disclosed responsive to the size of the sensor images for providing real-time closed-loop focus control. A lens system cooperative with the alignment laser and the cavity mirrors is disclosed for establishing and maintaining the alignment laser in a collimated state when illuminating the sensor. In the preferred embodiment, the cavity mirrors are configured as a confocal unstable laser resonator.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 19, 1986
Rescinded
Mar 24, 1988
Duration
2 years
Inventor
- 1MILTON B. TRAGESER
Record Details
- Patent number
- US 4772121
- Application
- 06792014
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
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