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Laser Detector Stymies Laser Weapons on High-Tech Battlefields

Photonics Spectra
Feb 1997
Canadian-based The Alwend Group says its government's high angular resolution laser irradiance detector (HARLID) offers modern-day military the best defense against being targeted by laser-directed ordnance. The group is marketing the 1-Band HARLID Si-based detector and second-generation 2-Band HARLID, which is based on Si/InGaAs. The detector is small enough to fit in an airplane, tank or ship's bolt-hole (1.4 3 1.1 cm) and provides a minimum angular coverage of 96°. A gray code mask digitally encodes the laser's angle of arrival within ±1°.


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