Lasers
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Topics
- Laser
- Photon Beams
- Quantum Mechanics
Description
Create a laser by pumping the chamber with a photon beam. Manage the energy states of the laser's atoms to control its output.
Sample Learning Goals
- Describe how absorption and spontaneous and stimulated emission work, and explain the requirements for each to occur.
- Describe how a laser works.
- Explain the requirements for lasing in terms of the intensity and wavelength of the lamp, the mirror reflectivity, and the lifetimes of the excited states of the atom.
- Troubleshoot a broken laser.
Version 4.08
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Teacher-Submitted Activities
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Authors | Level | Type | Subject |
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| Visualization and Visual Illusions SIM Homework |
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Kathy Perkins, Carl Wieman | UG-Intro | HW | Physics |
| How to make a laser |
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Sam McKagan, Kathy Perkins and Carl Wieman | UG-Intro UG-Adv |
HW | Physics |
| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | Earth Science Biology Chemistry Physics |
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| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | Physics Earth Science Biology Chemistry |
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| Bose-Einstein Condensation Lesson |
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Carl Wieman, Kathy Perkins | UG-Intro HS UG-Adv |
Demo | Physics | |
| Blackbody Spectrum & Lasers Simulations Homework |
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Kathy Perkins, Carl Wieman | UG-Intro HS |
HW | Physics | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | HS MS |
Other | Biology Chemistry Physics |
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| Laser activity | Ralf Widenhorn | UG-Adv | HW | |||
| Light Emission and Lasers | Debra Krause Dandaneau | UG-Intro HS |
Other Lab |
Physics |
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Microsoft Windows XP/Vista/7/8.1/10 Latest version of Java
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OS X 10.9.5 or later Latest version of Java
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Latest version of Java
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| Design Team | Third-party Libraries | Thanks To |
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