PI Mode Converter
Setup: Two cylindrical lenses spaced 2f apart
HG03 --> HG 30
PI/2 Mode Converter
Setup: 150mm mode-matching lens and two cylindrical lenses spaced f*sqrt2 apart
l = 1, 2, and 3 vortices converted from HG10, 20, and 30 modes from the open-cavity laser
l=1 vortex converted from a Gaussian mode cut in half by a coverslip
Random pictures of me next to vortex and holding the miscalculated 415mm lens