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Unformatted text preview: (P esc = 0.4). Accounting for the photocathode QE, how many phosphor output photons must each incident photoelectron produce? Account for the phosphor efficiency (0.25 photons emitted per electron at the bandgap energy corresponding to 550 nm), and calculate the required energy of electrons incident on the phosphor. Assume that the phosphor can emit multiple photons per electron in proportion to the ratio of election energy to bandgap (with the same efficiency for each photon emitted). What is the required electron accelerating voltage? Homework assignments will appear on the web at: http://www.ece.udel.edu/~kolodzey/courses/eleg867f09.html. Note: On each homework and report submission, please give your name, the due date, assignment number and the course number....
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This note was uploaded on 12/14/2011 for the course ELEG 687 taught by Professor Kolodzey during the Fall '09 term at University of Delaware.
- Fall '09