Lab resources

A collection of lab resources I find useful.

alignment_laser
How to build a simple alignment laser for typical optical alignment tasks.
fluorescent_beads_in_agarose
How to make a 3D sample of beads for PSF measurements with ~water refractive index (1.33).
gaussian_beam_profiler
Fit gaussian curves in x and y to the image of a beam and get the 1/e^2 diameters.