Archive for 30th June 2009

This Laser Does Not Lase

Yesterday I acquired a Spectra Physics 155 laser, which contains a 060-4 Helium Neon (HeNe) laser tube. Unfortunately, it doesn’t work. I have a feeling that I’ll be throwing it away. The power supply seems okay, although I don’t have the required power resistors to properly test it. I suspect that air leaked into the tube and now it doesn’t work.

Here’s a couple more photos of the tube: Front (Alt. Angle) · Model Number Sticker · Rear