On 7/5/06, Russell McMahon <apptech@paradise.net.nz> wrote:
> > 4.2nm or 4.2um ? CO2 is absorbing in the near IR or in the far UV ?
>
> What's 3 orders of magnitude between friends ? :-)

Indeed right,  does it matter if the prism is made by glass or by NaCl
or BaTio3 ?
the 3 orders of magnitude is reflected only in price...
:)

cheers,
Vasile

>
> As you imply, its 4.2 um - deepish infrared.
>
>
>        Russell
>
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