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|Create a laser by pumping the chamber with a photon beam. Manage the energy states of the laser's atoms to control its output.|
- Photon Beams
- Quantum Mechanics
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.
Tips for Teachers
The teacher's guide (pdf) contains tips created by the PhET team.
|Visualization and Visual Illusions SIM Homework||Kathy Perkins, Carl Wieman||UG-Intro||HW||1/9/11|
|How to make a laser||Sam McKagan, Kathy Perkins and Carl Wieman||UG-Adv
|Light Emission and Lasers||Debra Krause Dandaneau||HS
|Blackbody Spectrum & Lasers Simulations Homework||Kathy Perkins, Carl Wieman||HS
|Bose-Einstein Condensation Lesson||Carl Wieman, Kathy Perkins||HS
You can submit your own ideas and activities.
Sun Java 1.5.0_15 or later
OS 10.5 or later
Sun Java 1.5.0_19 or later
|Sun Java 1.5.0_15 or later|
|Design Team||Third-party Libraries||Thanks To|
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