Case Study
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Case Study
“I have used various commercial optical design software solutions, and I consider Ansys Zemax OpticStudio to be the easiest for beginners to learn. Thus, it is best suited to teaching at a university. As my students graduate and enter the workforce, I believe, at some point, they may reflect on their experience with the software and apply it to professional life.”
— Nathan Hagen, Professor, Utsunomiya University
Nathan Hagen, a professor at Utsunomiya University, introduces lens optical design techniques to students pursuing an optical engineering master's degree using available commercial software. The class mixes lectures on aberration theory and practical design techniques, which are introduced and applied using commercial software to work on basic lens designs. His instructional goals are to help students gain an understanding of optical design — what software is available, what it feels like to use it, and what they can do with it. Through this method of instruction, he hopes to cultivate an experience his students will look to in their professional lives to inform their own work in an optical design environment.
Utsunomiya University students are pressed to find the time required to master optical design before graduation. In Japan, much of this training will happen after graduation, once they become employees of companies offering large internal training programs.
In direct contrast, Prof. Hagen himself completed four lecture courses related to optical design as a graduate student before taking his first lens design course. This required him to spend approximately 12 hours per week (180 hours per semester) on courses. Yet even after this initial training, Hagen still needed more instruction before he could be an independent designer and eventually pass on his knowledge to his students.
As a professor, Hagen was tasked with the distillation of all his learnings into a comprehensive optical design course that exposes students to an array of design principles in the context of a single semester.
Throughout the term, Professor Hagen uses Ansys Zemax OpticStudio software during his course to illustrate and reinforce many of the optical design principles his lectures are based on. The first half of his 90-minute class is a lecture, followed by a lab using OpticStudio. It's during this second 45-minute period that students are asked to open the software to try and run the same sequence of steps shown during the lecture. If a student gets stuck on something, Professor Hagen will help them before continuing with instruction. Homework is assigned after each class, which requires students to use the software to do additional basic optical design. This class cadence is repeated throughout the term to build on and reinforce optical design principles in a simulation-driven environment.
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