# Welcome to Physics 471!

**Winter 2012**

**Instructor: John S. Colton; john_colton@byu.edu Office: N335 ESC**

**Office hours: 3-4 MWF, in the Underground Lab under the skylight**

**TAs: Grayson Tarbox (grayson.tarbox@gmail.com) and Claira Wilson (claira.wilson@gmail.com)TAs' office hours: 4-6 pm Tues (Grayson), 4-6 pm Thurs (Claira), in the walk-in lab S415 ESC**

## Announcements

- 9 Apr 2012 - Here are links to the color matching functions: the x-bar function; the y-bar function; the z-bar function; all three functions together
- 1 Feb 2012 - revised schedule posted
- 30 Dec 2011 - syllabus posted and most other parts of website now fully functional
- 30 Sep 2011 - barebones website set up

## Textbooks

*Physics of Light and Optics*, by Peatross and Ware.__Required textbook__. (Called*P&W*, for short.) This is the main textbook for the class, and can be purchased at the bookstore. It is also available online at //optics.byu.edu; feel free to download a copy. Please do not use the department printers to print the book from the pdf file, though, since the bookstore already sells the book at cost.*Optics*, by Eugene Hecht.__Optional textbook__. This is the standard text in the field, and the one that I myself used when I was an undergraduate student at BYU. Its strengths and weaknesses make it the perfect complement for*P&W*:*Hecht*has a ton of qualitative descriptions and applications of the various concepts, but is a bit skimpy on the math.*P&W*on the other hand is much more mathematically intense but lacks a lot of real-world examples. I have turned to my own copy of*Hecht*for reference too many times to count since I graduated from BYU. It’s now on the 4^{th}edition, but cheap older editions are available. (I used the 2^{nd}edition myself, back in the day.) If you have any inkling of doing optics in graduate school or on a professional level, you should buy this book.*Electrodynamics*, by David Griffiths.__Optional textbook__. This is the standard text for Physics 441 and 442, and overlaps the first part of this course quite a bit. Specifically,*Griffiths*chapters 8 and 9 are directly related to*Peatross & Ware*chapters 1-3—and in my opinion*Griffiths*is a clearer treatment.

## Syllabus and Course Packet

- optics syllabus - with revised schedule
- revised schedule (syllabus pg 1), posted on 1 Feb 2012
- original optics syllabus - Don't download this one!

## Lecture Notes

- lecture 1 - intro, multivariable calc: PowerPoint | scanned notes
- lecture 2 - maxwell's equations 1: PowerPoint | scanned notes
- lecture 3 - maxwell's equations 2: PowerPoint | scanned notes
- lecture 4 - materials, wave eqn: PowerPoint | scanned notes
- lecture 5 - complex numbers, etc.: PowerPoint | scanned notes
- lecture 6 - Lorentz model: PowerPoint | scanned notes
- lecture 7 - conductors, poynting, irradiance: PowerPoint | scanned notes
- lecture 8 - refraction and reflection: PowerPoint | scanned notes
- lecture 9 - Brewster, TIR, metals: PowerPoint | scanned notes
- lecture 10 - double interfaces: PowerPoint | scanned notes
- lecture 11 - interfaces at angles: PowerPoint | scanned notes
- lecture 12 - Fabry Perot: PowerPoint | scanned notes
- lecture 13 - multilayers: PowerPoint | scanned notes
- lecture 14 - light in crystals: PowerPoint | scanned notes
- lecture 15 - uniaxial crystals: PowerPoint | scanned notes
- lecture 16 - exam 1 review: PowerPoint | [no scanned notes]
- lecture 17 - polarization states: PowerPoint | scanned notes
- lecture 18 - Jones matrices: PowerPoint | scanned notes
- lecture 19 - ellipsometry and group velocity: PowerPoint | scanned notes
- lecture 20 - group velocity, Fourier: PowerPoint | scanned notes
- lecture 21 - Gaussian pulse, frequency spectrum: PowerPoint | scanned notes
- lecture 22 - delta function, convolution: PowerPoint | scanned notes
- lectures 23, 24 - Dr. Peatross substituting
- lecture 25 - visibility - Fourier spectroscopy: PowerPoint | scanned notes
- lecture 26 - spatial coherence: PowerPoint | scanned notes
- lecture 27 - exam 2 review: PowerPoint | [no scanned notes]
- lecture 28 - rays: PowerPoint | scanned notes
- lecture 29 - ABCD matrices: PowerPoint | scanned notes
- lecture 30 - complex imaging: PowerPoint | scanned notes
- lecture 31 - aberrations: PowerPoint | scanned notes
- lecture 32 - diffraction: PowerPoint | scanned notes
- lecture 33 - Fraunhofer diffraction: PowerPoint | scanned notes
- lecture 34 - array theorem, gratings, spectrometer: PowerPoint | scanned notes
- lecture 35 - cylindrical apertures: PowerPoint | scanned notes
- lecture 36 - diffraction through lens: PowerPoint | [sorry, I forgot to scan these notes]
- lecture 37 - Gaussian beams: PowerPoint | scanned notes
- lecture 38 - exan 3 review: PowerPoint | [no scanned notes]
- lecture 39 - blackbody radiation: PowerPoint | scanned notes
- lecture 40 - einstein A & B, lasers: PowerPoint | scanned notes
- lecture 41 - color, part 1: PowerPoint | scanned notes
- lecture 42 - color, part 2: PowerPoint | scanned notes

## Special Reading Assignments/Other Handouts

- day 1 - "What you should already know" handout (please read before first day of class; I will bring hardcopies to class if you don't want to print it out)
- day 5 - Complex numbers handout (please read before lecture 5; I will bring hardcopies to class if you don't want to print it out)
- day 6 - Lorentz model handout, aka driven/damped harmonic oscillator (I will bring hardcopies to lecture 6)
- day 8 - Derivation of s-polarization Fresnel coefficients (I will bring hardcopies to lecture 8)
- day 13 - Multilayer examples
- day 20 - Fourier series/transforms handout
- day 22 - Dirac delta functions handout | Convolutions handout. Also, as mentioned in the handout, please play around with the convolution applet here to help develop your "convolution intuition".
- day 35 - Bessel functions handout

## Scores and Grade

*This is now deprecated.*

## Class Identification Numbers

*This is now deprecated.*

## I-Clicker registration

*This is now deprecated.*

## Labs

- Most of the labs have introductory videos that should help you get started. Please view the appropriate video before you begin the lab.

## Old Exams

- Here are some exams from Winter 2008 semester for you to use as study aids. Important notes: (a) Some of the chapters were in a different order compared to the current version of the book, so the exams didn't cover things in the same order. (b) There were only two midterm exams, rather than three. That also changed the coverage per exam.
- Winter 2008 exam 1 | solutions
- Winter 2008 exam 2 | solutions
- Winter 2008 final exam | solutions

## How to get started

- You need to do the following things as soon as the semester begins. (If you have added the class late, it's even more important to do them ASAP.)
- If you have not received one in an email, get a "class ID number" using the "Obtain your class ID number" link on this page. You will use the CID as your personal identifier for all your assignments.
- Read the syllabus, available either as a pdf file elsewhere on this web page, or as a handout on the first day of class. Among other things, the HW assignments and the "Colton problems" are found in the syllabus.
- Get a copy of the Peatross & Ware textbook, either electronic or physical, or both. (See textbook info, elsewhere on this web page.)
- Do the reading assignments for each upcoming lecture as marked on the schedule on the first page of the syllabus; if joining late, do the past reading assignments. In particular, go through the "What you should already know" handout below, as soon as you can.
- Get an "i-clicker" at the bookstore if you don't already have one. Bring your clicker to each class.
- Register your clicker (via the link elsewhere on this page) so that you get credit for in-class clicker quizzes.
- Start working HW problems! The first assignment is due Tues, Jan 10. You can get partial credit for late assignments, so work the HW sets you miss/have missed, in addition to the ones coming up. HW due-dates are marked on the first page of the syllabus.
- Turn in your HW problems to the slot labeled “Phys 471” in the box near room N375 ESC.
- Sign up for a departmental computer account if you don't have one already, so that you can use the departmental computers (for e.g. problems that require Mathematica/Matlab).
- Gain access to the departmental computer labs (N337 and N212) if you don't have access already, by talking to Diann Sorenson in room N281.

## Supplementary Material

- Here are several optics animations, many developed by Dr. Peatross as he was writing the textbook.

## Current Topics in Physics

- Physics Central
- Physical Review Focus
- Physics News Update