In the field of optics, we will focus on electromagnetic optics (wave optics). We will also touch on geometric optics, crystal optics, nonlinear optics, and quantum optics a little bit.

Optics is the study of how light behaves as a result of interaction between light and matter. For example, as a result of interacting with a lens, the light bends. Of course, there are also studies about what is influence on matters as a result of interaction between light and matter. These are so-called material physics, quantum electronics, spectroscopy, and so on.

Many people may imagine "geometric optics" as optics. Geometric optics is a very profound, important, and practical discipline. However, it may be enough to study only the fundamental part of geometric optics for people other than those who want to work at optics companies, such as designing camera lenses. Geometric optics dealt with in this lecture is only an introductory part, and an advanced part is given as qualitative explanations of what seems to be important.

Since this class is for students of the physics department, I will give a lecture on what is the light and its behavior, starting from the fundamental part of physics, namely, electromagnetism (Maxwell equation). Because we start from the Maxwell equation, we mainly deal with the classical light picture, but lecture on light in quantum mechanical picture will be given a little bit.

I will do lectures using a personal computer, but I often use a blackboard for formula deformation etc, so students need a notebook. The handouts used during the lecture will be downloadable on keio.jp. A password is required to open the file, and it will be announced in the first lecture.

Some homeworks will be given, but submission is not mandatory. It has nothing to do with grade evaluation. However, it is highly recommended to solve it by yourselves.

You have to take an exam at the end of the term. Applicants can take an interview after the term-end exam.

Since the circumstances have been changed after 2020, what is written here (especially about classes and grade evaluation) may be changed.