Ruby laser weaknesses in the lining. Ruby lasers were used extensively in tattoo and hair removal, but are being replaced by alexandrite and s in this application. The ruby laser was the first laser to be made functional. Built by Theodore Maiman in 1960, the device was created out of the concept of an "optical maser," a maser that could operate in the visual or infrared regions of the spectrum. In 1958, after the inventor of the maser, Charles Townes, and his colleague, Arthur Schawlow, published an article in the "Physical Review" regarding the idea of optical masers, the race to build
Laser Focus World also an annual buyer's guide. The magazine is the recipient of the 2011 Folio Awards. Laser Focus World Laser Focus World is a monthly magazine published by PennWell Corporation covering laser, photonics and optoelectronics technologies, applications, and markets. Many professionals in those fields receive it free of charge; it is also possible to subscribe to the magazine. "Laser Focus World" has been published since 1965. It is published on a monthly basis and owned by PennWell Corporation. The headquarters of the magazine is in Tulsa, Oklahoma. Approximately 70,000 subscribers have access to an annual "Lasers and Photonics Marketplace Seminar" and