Stabilization of a multimode He-Ne laser: A vivid demonstration of thermal feedback.Tobin, Roger G.
A thermal stabilization technique for multimode He-Ne laser tubes is demonstrated. Intensity stability of ∼1% is achieved, where the intensity of the unstabilized laser varied by more than a factor of 5. The system provides both a dramatic demonstration of the principle of negative feedback and a stimulating introduction to basic electronics, laser physics, and solid state physics. It is simple en... read more
- Physics--Study and teaching.
- Tufts University. Department of Physics and Astronomy.
- Permanent URL
- Original publication
- "Stabilization of a multimode He-Ne laser: A vivid demonstration of thermal feedback," Ferdinand Stanek, R.G. Tobin and C.L. Foiles, Am. J. Phys. 61, 932 (1993). http://dx.doi.org/10.1119/1.17367.