"The dancing Laser". This video shows the free running (no frequency selective elements) green laserpointer pumped molecular Iodine laser.
This video shows the alignment of the Helium Neon laser and components for line selection.
This video shows the proper use of lens cleaning tissues to clean optical surfaces.
This video shows the step by step alignment of a Pr:YLF laser.
Close up of the birefringent tuner in a Pr:YLF laser
Blue diode pumped Pr:YLF laser set to the green (520 nm) line
Blue diode pumped Pr:YLF laser set to the red (648 nm) line
Green (532 nm) pumped molecular Iodine in a ring cavity
Violet diode pumped cw Ruby Laser
Periodical pumping with a violet (405 nm) diode of the Ruby crystal.
Interferenc at a thin glass plate
Diode pumped (808 nm) Nd:YAG laser (1064 nm) with Frequenvy doubling