Thank you for visiting this site among the many available online.
Here, I provide clear and careful explanations of the fundamental theories of geometrical optics and wave optics, which form the basis of optical design.
By supplementing the assumptions and derivations that are often omitted in specialized textbooks, I aim to create a place where you can take the time to thoroughly learn theories that are useful in optical design and optical measurement.
I hope this site will help deepen the understanding of students studying optics as well as those engaged in research and development.
About Me
I studied electronic engineering in both my undergraduate and graduate programs, focusing mainly on semiconductor-related fields. During that time, I also gained experience with optical experiments such as weak-light detection, polarization measurements, and time‑resolved measurements.
After completing my master’s degree, I joined an optical equipment manufacturer, where I encountered optical design for the first time. I have now been involved in optical design for more than 20 years.
The design software I have used includes CODE‑V, OpTaliX, and currently ZEMAX.
This site focuses on fundamental optical theory, rather than practical design know‑how. I take great care to ensure that no proprietary knowledge or company‑specific expertise is disclosed.
Qualifications & Interests
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Silver Level Certification, International Optical Technology Certification Association (2015)
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Pre‑1st Grade, Practical Mathematics Proficiency Test (2008)
I enjoy mathematical approaches, and many of the explanations on this site make use of equations. I hope to share not only the principles of optics but also the beauty and usefulness of mathematics.
Lastly
Although this site is operated by an individual and is therefore limited in scale, it will continue to be expanded in a gradual and systematic manner, with the aim of serving as a resource for organizing and systematizing fundamental theories useful in practical optical engineering.
I would be truly encouraged if you feel like stopping by again from time to time.