Abstract

A methodology to determine the laser surface danger zone on the earth’s spheroid is presented. This method determines where the laser beam cone, defined by the angle α, that is half the beam divergence plus the buffer angle, intersects a geometric figure represented by a spheroid that is a good approximation to the shape of the earth. This method is useful to determine the laser surface danger zone on a sea-test range: at the Naval Air Warfare Center Weapons Division (NAWCWD) Point Mugu, California. In addition, this method can be applied to determine three-dimension hazard patterns: the air and space hazard zones.A methodology to determine the laser surface danger zone on the earth’s spheroid is presented. This method determines where the laser beam cone, defined by the angle α, that is half the beam divergence plus the buffer angle, intersects a geometric figure represented by a spheroid that is a good approximation to the shape of the earth. This method is useful to determine the laser surface danger zone on a sea-test range: at the Naval Air Warfare Center Weapons Division (NAWCWD) Point Mugu, California. In addition, this method can be applied to determine three-dimension hazard patterns: the air and space hazard zones.

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