Machine Design, November 3rd, 2005
The crew of the Space Shuttle Discovery may owe a debt of gratitude to a pair of laser-scanning galvanometers.
General Scanning, Billerica, Mass., a member of GSI Group, provides critical laser-scanning and beam-positioning technology to Neptec of Ottawa, Ont. And Neptec's Laser Camera System (LCS) played a vital role in Discovery's recent safe return by supplying detailed 3D images of the ship's heat-shield tiles. The system can detect half-millimeter cracks in the heat-resistant tiles from a distance of up to 4 m.
The LCS system uses a pair of General Scanning's laser-scanning galvanomet...
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