7G40.20 - Laser Demos

Code Number:
Demo Title:
Laser Demos
Atomic Excitation and Emission from a He-Ne Laser
Area of Study:
Modern Physics, Lasers
Old Laser Tubes and Laser Tube Mirrors.

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

  • Christopher Chiaverina, "The Versatile Constant Velocity Car", TPT, Vol. 58, #7, Oct. 2020, p. 524.
  • James Lincoln, "Introducing the Yellow Laser", TPT, Vol. 56, # 2, Feb. 2018, p. 124. 
  • Chris Chiaverina, "Dollar Store Lightwave Communications System", TPT, Vol. 53, #9, Dec. 2015, p. 566.
  • Adam Niculescu, "Demonstration of Light-Wave Communication for High School Physics", TPT, Vol. 40, #6, Sept. 2002, p. 347.
  • Nicholas R. Guilbert, "A High-School Dye Laser Project", TPT, Vol. 35, #2, Feb. 1997, p. 72.
  • "Hot Metal Vapors for Low-Cost Laser Light", TPT, Vol. 8, #4, Apr. 1970, p. 211.
  • Antje Bergmann et al., "A Low-Cost Setup for Microstructuring Experiments Using a Homemade UV Laser", AJP, Vol. 80, #3, Mar. 2012, p. 260.
  • Daniel J. D'Orazio, Mark J. Pearson, Justin T. Schultz, Daniel Sidor, Michael W. Best, Kenneth M. Goodfellow, Robert E. Scholten, and James D. White, "Measuring the Speed of Light Using Beating Longitudinal Modes in an Open-Cavity HeNe Laser", AJP, Vol. 78, #5, May 2010, p. 524.
  • Christopher Hopper and Andrzej Sieradzan, "Yellow He-Ne Going Red: A One-Minute Optics Demonstration", AJP, Vol. 76, #6, June 2008, p. 596.
  • J. Peatross and M. V. Pack, "Visual Introduction to Gaussian Beams Using a Single Lens as an Interferometer", AJP, Vol. 69, #11, Nov. 2001, p. 1169.
  • David Guerra, Michael Morgan II, and Barry Coyle, "An Introduction to Laser Modeling Studies with a Nitrogen-Pumped Dye Laser", AJP, Vol. 67, #9, Sept. 1999, p. 723.
  • John E. Sohl and Stephen G. Payton, "A Modular, Reconfigurable-Cavity, Pulsed Dye Laser for the Advanced Undergraduate Laboratory", AJP, Vol. 65, #7, July 1997, p. 640.
  • K. G. Libbrecht et al., "Teaching Physics with 670 nm Diode Lasers - Construction of Stabilized Lasers and Lithium Cells", AJP, Vol. 63, #8, Aug. 1995, p. 729.
  • Anthony J. Alfrey, "Flashlamp-Pumped Dye laser as an Undergraduate Lab Project", AJP, Vol. 49, #8, Aug. 1981, p. 776.
  • R. G. Brickner, L. A. Kappers, F. P. Lipschultz, "Determination of the Speed of Light by Measurement of the Beat Frequency of Internal Laser Modes", AJP, Vol. 47, #12, Dec. 1979, p. 1086.
  • Robert C. Hilborn, "Design and Construction of Simple, Nitrogen-Laser-Pumped, Tunable Dye Lasers", AJP, Vol. 46, #5, May 1978, p. 565.
  • Guido G. Pegna, "Reconditioning He-Ne Laser Tubes", AJP, Vol. 45, #8, Aug. 1977, p. 778.
  • M. E. Oakes, S. B. Hudler, and R. B. Michie, "Rejuvination of Helium-Neon Lasers", AJP, Vol. 45, #1, Jan. 1977, p. 107.
  • David S. Lashmore and Keith M. Baldwin, "Laboratory Construction of Multilayer Dielectric Mirrors for He-Ne Laser Applications", AJP, Vol. 40, #2, Feb. 1972, p. 294.
  • B. S. S. Rao, A. Subrahmanyam, and Shiv Charan, "Helium Permeation in He-Ne Laser at Room Temperature", AJP, Vol. 40, #6, June 1972, p. 916.
  • M. Y. De Wolf Lanzerotti, "Inexpensive rf Excited Gas Laser", AJP, Vol. 38, #10, Oct. 1970, p. 1250.
  • David T. Phillips and John West, "The Poor Man's Nitrogen Laser", AJP, Vol. 38, #5, May 1970, p. 655.
  • H. W. Morgan et al., "Conversion of a Simplified He-Ne Gas Laser to Pulsed Operation with Ar, Kr, and Xe", AJP, Vol. 37, #9, Sep. 1969, p. 938.
  • D. Malacara, L. R. Berriel, and I. Rizo, "Construction of Helium-Neon Lasers Operating at 6328 Å", AJP, Vol. 37, #3, Mar. 1969, p. 276.
  • S. Koozekanani, J. McCoy, and D. Rensch, "Inexpensive CO2 Molecular Gas Laser", AJP, Vol. 34, #10, Oct. 1966, p. 989.
  • Bela A. Lengyel, "Evolution of Masers and Lasers", AJP, Vol. 34, #10, Oct. 1966, p. 903.
  • O. T. Anderson and M. P. Bedesem, "Development of a Ruby Laser System as an Undergraduate Project", AJP, Vol. 34, #4, Apr. 1966, p. 296.
  • K. L. Vander Sluis et al., "A Simplified Construction of a Helium-Neon Visible Laser", AJP, Vol. 33, #3, Mar. 1965, p. 225.
  • Philip H. Bucksbaum and Nora Berrah, "Brighter and Faster: The Promise and Challenge of the X-Ray Free-Electron Laser", Physics Today, Vol. 68, #7, July 2015, p. 26.
  • Sung Chang, "Extreme Heating with an X-ray Free-Electron Laser", Physics Today, Vol. 68, #5, May 2015, p. 18.
  • Henry C. Kapteyn, Margaret M. Murname, and Ivan P. Christov, "Extreme Nonlinear Optics: Coherent X Rays from Lasers", Physics Today, Vol. 58, #3, Mar. 2005, p. 39.
  • Federico Capasso, Claire Gmachl, Deborah L. Sivco, and Alfred Y. Cho,  "Quantum Cascade Lasers", Physics Today, Vol. 55, #5, May 2002, pp. 34.
  • "Ceci N'est Pas Un Laser Pointer", APS News, Dec. 2015, p. 7.
  • "Laser Markmanship", Popular Science, Jan. 2010, p. 19.
  • Gregory Puskar, "Low Power Lasers: Not As Safe As One Might Think", PIRA Newsletters, Vol. 3, #11, Mar. 31, 1989, p. 9.
  • Gordon McComb, "All About Helium-Neon Lasers", Lasers, Ray Guns, & Light Cannons, p.  59 - 70.
  • Herbert H. Gottlieb, "101 Ways to Use A Laser", p. 32 - 46.
  • Rick Beyer, "Who Invented the Laser", The Greatest Science Stories Never Told, p. 172.
  • "Laser Beams", Lasers, An Usborne Introduction, p. 10.
  • 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.