Elk Industries, R-K ManufacturingMELBOURNE, Fla., Feb. 21, 2007 -- Elk Industries LLC announced the release of its patented optical elements for lasers, a four-sided pyramid made of optical material that the company said can replace many optical elements with a single device. The pyramid can be used as a O° reflector, reflecting laser or as a prism to break up a light spectrum into its component colors, such as with a diffraction grating (in a different orientation) or ordinary prism. "This achievement marks a major milestone in the advancement of optics and laser systems," said Elk Industries owner Robin Elkins, an inventor and engineer. 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