Three-Dimensional Imaging Laser Radars with Geiger-Mode Avalanche Photodiode Arrays

A heat-resistance galvanized iron alloy wire is disclosed. The wire is comprised of an iron alloy wire core which may be an Fe-Ni type alloy. The core is coated on its periphery with a Zn-Al alloy. The alloy is comprised of 0.2 to 14 wt % Al with the balance being Zn. The Zn-Al alloy may contain small amounts of typical impurities or compounds included in order to prevent the oxidation of the Zn or Al. The resulting wire has excellent heat-resistant properties.