Re: Re: New kid on the block

In a message dated 7/17/99 3:58:21 PM Eastern Daylight Time, pencad@...
writes:

>
> > 3. Lasers:
> >
> > I wanted to make some "fringes" - but my laser died on me. I need a
> > new one.
> >
> > Why would anyone want increments in nanometers, anyway ?
> > As for scanning:
> >

Not sure what kind of Laser you need but HERBACH and RADEMAN have a good
selection ranging from $9 for laser pointers, to 5+mw HeNe tubes/kits for
around $150

http://www.herbach.com

I have a quick question for everyone, what is a switching power supply?
Tracey