This week, we'll start chapter 9 on interference. That will consume both lectures this week, as well as the first one after Spring Break.
Tuesday, we'll cover most of 9.1-9.3 (general remarks on superposition, the double slit experiment, and a bit on antennas), though I will follow a slightly different (but equivalent) approach to that used in the text. The main idea is that I'll add a few bits the book doesn't cover, and vice-versa, so between the lecture & reading you should come out ahead. You'll also get some HW back ...
Thursday, the plan is to cover superposition of an array of sources along with various amplitude-splitting interferometers (e.g., Michelson, Fabry–Pérot; 9.4-6, mostly). After the break, we'll finish it up and go into some applications of interferometry (e.g., spectroscopy). After that, it is on to diffraction, which is really more of the same.
The exams may be graded by Thursday. Dr. Kung and I each made up several problems for the exam, and we are first each grading our own problems, then reviewing the whole thing for consistency. There will be partial credit, and we will be as gentle as we can ... based on the collective results of the exam, I may spend some time after the break reviewing if we think there are areas that warrant it.
Lastly, I will also post some more formal guidelines for lab reports soon. I've spoken to most of you informally about it, and the reports I've received so far have been very good - so keep doing what you're doing if you've already turned in a report or two.
Tuesday, we'll cover most of 9.1-9.3 (general remarks on superposition, the double slit experiment, and a bit on antennas), though I will follow a slightly different (but equivalent) approach to that used in the text. The main idea is that I'll add a few bits the book doesn't cover, and vice-versa, so between the lecture & reading you should come out ahead. You'll also get some HW back ...
Thursday, the plan is to cover superposition of an array of sources along with various amplitude-splitting interferometers (e.g., Michelson, Fabry–Pérot; 9.4-6, mostly). After the break, we'll finish it up and go into some applications of interferometry (e.g., spectroscopy). After that, it is on to diffraction, which is really more of the same.
The exams may be graded by Thursday. Dr. Kung and I each made up several problems for the exam, and we are first each grading our own problems, then reviewing the whole thing for consistency. There will be partial credit, and we will be as gentle as we can ... based on the collective results of the exam, I may spend some time after the break reviewing if we think there are areas that warrant it.
Lastly, I will also post some more formal guidelines for lab reports soon. I've spoken to most of you informally about it, and the reports I've received so far have been very good - so keep doing what you're doing if you've already turned in a report or two.
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