Lasers
Topics
Main Topics
- Laser
- Photon beam
- Quantum Mechanics
Related Topics
- Light, Radiation, Lasers, Photons, Energy Levels, Stimulated Emission, Spontaneous Emission, Absorption, Emission, Excitation, Quantum Mechanics, Cathode Ray Tube
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.
Teaching Ideas
Tips for Teachers
The teacher's guide contains tips for teachers created by the PhET team (PDF).
Ideas and Activities for this Sim
There are 4 contributions listed.
Title | Author | Level | Type | Updated |
| Blackbody Spectrum & Lasers Simulations Homework | K. Perkins | HS UG-Intro | HW | 11/08 |
| Bose-Einstein Condensation Lesson | C. Wieman | UG-Intro UG-Adv HS | CQs Demo | 7/08 |
| How to make a laser | S. McKagan | UG-Intro UG-Adv | HW | 7/08 |
| Light Emission and Lasers | D. Dandaneau | UG-Intro HS | Other Lab | 4/09 |
Submit Your Ideas & Activities
Software Requirements
| Windows Systems | Macintosh Systems | Linux Systems |
|
Microsoft Windows XP/Vista/7 Sun Java 1.5.0_15 or later |
OS 10.4.11 or later Apple Java 1.5.0_19 or later |
Sun Java 1.5.0_15 or later |
Translated Versions
Credits
| Design Team | Third-party Libraries | Thanks To |
|

National Science Foundation


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