Any QSL cards I receive will appear on this page. Most will probably be eQSLs.
Addresses will be redacted for privacy reasons.
- Helium Neon Lasers
- He-Ne Lasers – Introduction
- Applications of a 1mW Helium-Neon Laser
- He-Ne Laser Safety
- Theory of Operation, Modes, Coherence Length
- He-Ne Laser Tubes, Heads, Structure, Power Requirements, Lifetime
- Power Requirements for He-Ne Lasers
- Wavelengths, Beam Characteristics
- Magnets in High Power or Precision He-Ne Laser Heads
- Internal Mirror He-Ne Tubes up to 35 mW – Red and Other Colours
- Viewing Spectral Lines in Discharge, Other Colours in Output
- Demonstration He-Ne Lasers, Weatherproofing
- Interesting, Strange, and Unidentified He-Ne Lasers