This man is my new hero - http://www.jossresearch.org/tjiirrs/015a.html
Yes, that is a working organic dye laser built using mostly non-specialized components. The most expensive things I see in his design are parts of the power supply (HV electronics components, this is where eBay is the best), the laser cavity tube itself (fused silicate glass, not in the plumbing aisle at Home Depot), the xenon arc lamp (Electronics Goldmine), and the mirrors.
Where does Staples come into this whole thing? The dye used - on the third page he tries it out with dye extracted from a Sharpie highlighter. It worked.
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