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Happy Pi Day! Exam 2 on Track, Prayer Announcements

Stay on track with your Exam 2 preparations and join us in celebrating Pi Day. Don't forget to say a prayer for success.

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Happy Pi Day! Exam 2 on Track, Prayer Announcements

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  1. Announcements 3/14/12 • Prayer • Happy Pi day! • Exam 2: on track to finish by tomorrow morning Frank & Ernest

  2. A More General View of Focusing

  3. Reading Quiz • A complex imaging system can be reduced to an equivalent: • thin lens • thick lens • thin plate • thick plate

  4. Reading Quiz • The effective beginning and end of the equivalent thin lens are called the ______ planes • dominant • primary • principal • secondary • serving

  5. Principal Planes

  6. Reading Quiz • For a laser cavity to be stable, the rays • must get back to the same height after one round trip • must get back to the same height after an infinite number of round trips • must remain at a finite height after an infinite number of round trips

  7. Laser Cavities Result: should be stable if 1/2 (A + D) is between 1 and -1

  8. Laser Cavities HW P9.15 Result: should be stable if

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