Laser laser devices. The question of just how to assign credit for inventing the laser remains unresolved by historians. On May 16, 1960, Theodore H. Maiman operated the first functioning laser at Hughes Research Laboratories, Malibu, California, ahead of several research teams, including those of Townes, at Columbia University, Arthur Schawlow, at Bell Labs, and Gould, at the TRG (Technical Research Group) company. Maiman's functional laser used a solid-state flashlamp-pumped synthetic ruby crystal to produce red laser light, at 694 nanometers wavelength; however, the device only was capable of pulsed operation, because of its three-level pumping design scheme. Later that year,
Laser Beam on Japan's Oricon Singles Chart; it sold 93,828 units in their first week of sales. It was the group's fourth consecutive charting single to reach number two on that chart. The following week, the singles fell to number 10; it sold 13,615 units in their second week of sales. It lasted for 16 weeks on the top 300 chart, selling 124,613 units by the end of 2011; they were the 58th best selling single's in that region. Singularly, "Laser Beam" peaked at number two on "Billboard"'s Japan Hot 100 chart. In South Korea, "Laser Beam" reached number 48 on their