Test2Su7 - General Questions (14) Name ____________________...

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Unformatted text preview: General Questions (14) Name ____________________ Ray Tracing (15) (Please Print) Imaging on CCD (15) Brewster Angle (12) Gold Reflection (12) Glass Waveguide (12) E C E 4500 Fraun. Diffraction (20) Second Examination July 31, 2007 Rules for exam: 1. The time allowed is 100 minutes. The test will start at 3:00pm and end at 4:40pm. 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. 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. A thin slab in air of thickness d and refractive index n with flat and parallel surfaces will strongly reflect normally incident light of freespace wavelength for m being an in- teger if (Circle one best answer.) a) nd = m b) nd = ( m- 1 2 ) c) 2 nd = m d) 2 nd = ( m- 1 2 ) e) 4 nd = m f) 4 nd = ( m- 1 2 ) g) all of the above h) none of the above 2. A thin coating of refractive index n c = ( n s ) 1 / 2 is deposited on a flat interface with a substrate of refractive index n s . This coated substrate in air will strongly transmit normally incident light of freespace wavelength for m being an integer if (Circle one best answer.) a) n c d = m b) n c d = ( m- 1 2 ) c) 2 n...
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Test2Su7 - General Questions (14) Name ____________________...

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