7G40.20 - Laser Demos

Code Number:
7G40.20
Demo Title:
Laser Demos
Condition:
Good
Principle:
Atomic Excitation and Emission from a He-Ne Laser
Area of Study:
Modern Physics, Lasers
Equipment:
Old Laser Tubes and Laser Tube Mirrors.
Procedure:

Some of the old tube still can be excited with an induction coil to show the tube parameters. The mirrors can be passed around.

References:
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  • Antje Bergmann et al., "A Low-Cost Setup for Microstructuring Experiments Using a Homemade UV Laser", AJP, Vol. 80, #3, Mar. 2012, p. 260.
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  • Johanna L. Miller, "Bubble Lasers Can Be Sturdy and Sensitive", Physics Today, Vol. 77, #3, March 2024, p. 12.
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  • "Ceci N'est Pas Un Laser Pointer", APS News, Dec. 2015, p. 7.
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  • Herbert H. Gottlieb, "101 Ways to Use A Laser", p. 32 - 46.
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  • Ron Hipschman, "Laser Booth", Exploratorium Cookbook III, pp. 177.1 - 177.5.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.