There are on the market optical design programs that permit the numerical optimization of the design parameters, allowing us to obtain results that were unattainable with the analytical tools used before the development of computers (p. As stated by Winston, Minano, and Benitez (2005), The design of imaging optical systems is a classic ?eld of research that has achieved a high level of development. Their advent has substantially simplified and enhanced our understanding of optical design and analysis. Software programs for lens design and optical studies have been of immense utility in the field of optics. Therefore, this chapter details the basics of Zemax software for optical design and ray tracing. Zemax software is used for a large part of this study. A number of designs are evaluated to examine the effect of different geometrical shapes of light pipes for refraction studies and light cups for reflection studies. An example is the determination of focal length, exposed effective areas, and light collection and concentration for all components. Aside from investigating properties such as reflection coefficient, absorption coefficient, temperature variation, and thermal conductivity, additional theoretical estimations are made.
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