Re: [CAD_CAM_EDM_DRO] High pressure water jet (Lasers)

dave engvall wrote:

> ethanol/dry ice will freeze however acetone/dry
> ice works pretty well.
>
> I took a quick look at specs on some laser diodes
> and the lower limit for temp seemed to be -10 C ..
>
> so chilled brine would almost do.
>
> Lots of luck., these diodes seem awful easy to
> fry.

I built a laser photoplotter with a visible red diode laser.
I have been using it for over 2 years, and tinkering with it a fair
bit, and I still am on my first diode laser. They seem pretty
tough to me. But, maybe I just got a really tough one, and have
kept with it.

Jon