McGraw-Hill authors represent the leading experts in their fields and are dedicated to improving the lives, careers, and interests of readers worldwide Biljana Tadic-Galeb is a Senior Staff Optical Engineer at OPTICS 1, Incorporated, of Westlake Village, California. She has BS in physics from the University of Sarajevo, Yugoslavia, and an MS in Optics from Reading University, England. She also holds an MS in Metrology from the University of Beograd, Yugoslavia. Ms. Tadic-Galeb has over 20 years of experience as an Optical Systems Engineer with specialties in the development of complex visible, ir, and uv optical systems, projections systems, laser systems, and hybrid systems with diffractive elements and fibers. She was recognized by the National Academy of Engineering in their Featured Women Engineers Program.