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Imagine I have a lamp (incoherent light - lets say it's a consumer projector), and a class 2m laser device, and both have identical divergence and identical waist width, and are kicking out the same radiant flux, all in the visible spectrum (say around 532nm). My question: In this case, is the...

Does anyone know of an affordable 532nm pulsed laser? It should be ideally <$500, ~40mw (average power), and allow me to set the repetition rate to ~20hz, and pulse duration to ~0.1ms. If it were battery powered that would also be helpful. Also, if it had to be at a different wavelength (but...

So I'm trying to build a prototype product in my spare time, part of which uses a laser torch (a bit like a laser genetics ND5). It needs to be as bright as possible but still safe (class 2m). Does anyone know the maximum power density (mw/cm2) allowed for a laser to still be in class 2m...

Hi guys, I'm somewhat new to lasers, so please forgive my ignorance. I'm working on a hobby project, and it needs a laser with a very wide + divergent beam. In short, it needs to be a similar beam width / divergence as a regular flashlight (e.g. say 1m wide at 3m distance, or wider?). The...