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  • PPGI CEO to Resign, Subsidiary GM Named
Jul 2008
Photonic Products Group Inc. (PPGI) announced that its president and CEO, Daniel Lehrfeld, will not renew his contract and will leave the company, effective Dec. 16. PPGI board chairman Dr. John Rich will head a search committee to name Lehrfeld's successor, who will become only the third CEO in the company's 35-year history. PPGI also announced that Joseph J. Rutherford has joined its MRC Optics subsidiary in Sarasota, Fla., as vice president and general manager. Frank Montone, MRC Optics founder and president, will become vice president of engineering and technology. Rutherford has more than 30 years of executive experience in optical component development and manufacturing in the defense and commercial sectors. From 1989 until he retired in 2006, Rutherford was vice president and general manager of Synoptics, a Charlotte, N.C.-based subsidiary of Litton and Northrop Grumman that makes laser crystal products and related optical components. He also previously held sales and marketing positions with Memtech Corp., Material Progress Corp. and Allied Corp. Northvale, N.J.-based PPGI operates three businesses: Inrad, which specializes in crystal-based optical components and devices, laser system accessories and instruments; Laser Optics, a maker of custom optical components, assemblies and optical coatings; and MRC Optics, a provider of diamond-turned, metal, and aspheric optics and optomechanical and electro-optical assemblies.

A solid with a structure that exhibits a basically symmetrical and geometrical arrangement. A crystal may already possess this structure, or it may acquire it through mechanical means. More than 50 chemical substances are important to the optical industry in crystal form. Large single crystals often are used because of their transparency in different spectral regions. However, as some single crystals are very brittle and liable to split under strain, attempts have been made to grind them very...
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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