[Husker24]

Sounds like you could build a version of this in your garage if need be.

[Kevmo]

You could do this experiment in your garage with a 5mW laser.
https://freerepublic.com/focus/f-chat/3968011/posts

and then send out the samples to be tested [that’s the expensive equipment part].

[Kevmo]

Here’s another experiment you could do in your garage.

https://freerepublic.com/focus/f-chat/4008659/posts