30 Mar
2010
30 Mar
'10
9:18 a.m.
On Mar 30, 2010, at 12:12 PM, dwight elvey wrote:
A 35W is more than enough. Do remember, you want to
vaporize and
not just melt. This does require focusing. IR is a pain to focus.
Two options; one is germanium lenses ( $$$$ ) and the other is gold
first surface mirrors ( $ ).
Why use IR? Visible (either native or frequency-multiplied)
lasers are readily and cheaply available in the required power range
nowadays. I have a few of them sitting on my desk. Very friendly
optics-wise.
-Dave
--
Dave McGuire
Port Charlotte, FL