Alignment, code and power test of airborne laser designators

Details Alignment, code and power test of airborne laser designators Alignment, code and power test of airborne laser designators

1995-09-27

1998-03-31

Hellner, Mark

Optics: measuring and testing

Angle measuring or angular axial alignment

Apex of angle at observing or detecting station

356138, 250342, G01B 1126, G01J 0502

Patent

active

057344663

ABSTRACT:
This invention relates to laser guided weapon systems and in particular to boresighting a designator laser to a forward looking infrared (FLIR) sighting system that is at a wavelength other than that of the laser with sufficient accuracy, confirming adequate power level available for designation and that the proper pulse rate code has been selected and is being transmitted. Due to the nature of the designation laser being at a different bandwidth than the FLIR, the positioning of the laser spot is not visible to the targeting system and the initial system alignment is depended on for accuracy and precision. This invention presents a way of addressing three aspects of laser designation prior to weapon use. This is achieved through the use of a beamsplitter and thermal resistor that appear to be at the same point of space to the targeting system. The offsets are measured and then used to correct the misalignment.

REFERENCES:
patent: 4422758 (1983-12-01), Godfrey et al.
patent: 5088868 (1992-02-01), Nicholson
patent: 5251003 (1993-10-01), Vigouroux et al.
patent: 5506675 (1996-04-01), Lopez et al.

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