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Unformatted text preview: Gen. Questions (10) Name ____________________ Transmission (20) (Please Print) Metal Refl. (20) Phase Velocity (15) TM Modes (15) Fraunhofer Diff. (20) E C E 4500 Third Hour Examination May 4, 2007 Rules for exam: 1. The time allowed is 90 minutes. The test will start at 3:00pm (rather than at 2:50pm). 2. Answer all questions. The value of each question is given in parentheses by the question. There are a total of 100 points possible. 3. All work must be shown for full credit. 4. Put your final answers in the locations specified. 5. You may use six new single-sided 8 1/2" x 11" information sheets that you have prepared in your own handwriting. Your information sheets may not include photocopied material or typed material. You may also use the six single-sided information sheets that you prepared for the first examination and the six single-sided information sheets that you prepared for the second examination. 6. Some physical constants are given below. 7. You may use one "book of math tables" or calculus textbook. 8. You may use a "pocket calculator" that can be put in a normal-size pocket and requires no external electrical power. Graphing calculators and programmable calculators are acceptable. You may not use portable, hand-held, lap-top, or notebook computers or wireless or network connections. 9. You may not use any reference materials other than those listed above. Therefore, you may not use the class notes, any textbooks, homework problems, reprints of papers, journals, prayer books, etc. 10. There is to be no sharing of anything. 11. If excess information is given in a question, ignore the unneeded information. 12. If too little information is given in a question, assume the information needed and clearly note this with your work. 13. Any changes to the examination will be written on the board. Check the board periodically during the examination. 14. Any acts of dishonesty will be referred to the Dean of Students without prior discussion. The official written Institute procedures on academic honesty (entitled "Maintaining Academic Honesty" and available from the Dean of Students Office) will be followed in all cases. 15. Have a happy exam! h = 6.6260755 × 10-34 joule-sec c = 2.99792458 × 10 8 meter / sec e = 1.6021773349 × 10-19 coul k = 1.38065812 × 10-23 joule / K General Optical Engineering Questions 1. Right-handed circularly polarized light of freespace wavelength λ can be converted to left-handed circularly polarized light by (Circle the one best answer.) a) a retarder with phase retardation π / 8 b) a retarder with phase retardation π / 4 c) a retarder with phase retardation π / 2 d) a retarder with phase retardation π e) a retarder with phase retardation 2 π f) none of the above 2. Give one of the great facts of optical engineering that is within the area of electro- magnetic optics. Use one or more complete sentences (contains subject, verb, predicate, etc.) to state the great fact. Put your answer below. Transmission at a Dielectric Interface...
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This note was uploaded on 04/29/2008 for the course ECE 4500 taught by Professor Gaylord during the Spring '08 term at Georgia Tech.
- Spring '08