U2_M4_HW - Module 4 Unit 2 Weekly Study Assignment Lasers...

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Module 4 Unit 2 Weekly Study Assignment Lasers Lasers have become important tools in scientific research, medicine and in everyday life applications. Lasers are based on the idea of stimulated emissions of photons from atoms. In class, we have discussed stimulated absorption (when an atom or molecule absorbs a photon) and spontaneous emission (when an electron in an excited state relaxes to a lower energy level resulting in the emission of a photon). In this activity, you will work through the requirements needed to make a laser, explore what stimulated emission is related to a laser, and think about how you can rework a laser design given adverse conditions. You will be working with a lasers simulation to really discover and understand the requirements and operational considerations yourself. To access the simulation, go to the following URL- http://phet.colorado.edu/simulations/sims.php?sim=Lasers Select “Run Now” Part I Open the One Atom Panel in the Laser Simulation and start exploring the two-level
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U2_M4_HW - Module 4 Unit 2 Weekly Study Assignment Lasers...

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