Compact fixed-source array test station for calibration of a semi-active laser (SAL) seeker
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United States of America Patent
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May 21, 2013
Grant Date -
May 2, 2013
app pub date -
May 23, 2012
filing date -
Nov 16, 2010
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Abstract
A fixed-source array test station provides a compact cost-effective high-throughput test bed for testing optical sensors that require stimulus at fixed angular positions. An array of fixed collimated sources at different angular positions in the sensor's FOV are positioned on a surface of a focal sphere at the effective focal length of a spherical lens and aligned along respective radial lines to the center of the spherical lens so that each said divergent optical beam is collimated by the spherical lens to form a collimated optical beam that overlaps the entire entrance pupil of the optical seeker. The sources are activated in accordance with an activation profile in order to calibrate or otherwise test the sensor.
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