Re: New world record on 30THz


Brian Howie GM4DIJ
 

On 22/05/2021 20:30, Roger Ray via groups.io wrote:
Brilliant well done Barry. Propagation on 30THz is pretty unknown.
Roger
G8CUB
It's the 10um Infrared Window.(8-12um) Propagation of IR in this band (and others) used to be part of my day job. Over 65m there's almost no loss between 25 and 40THz.

Industry standard atmospheric model is Modtran, but it is not cheap.

The older standard Lowtran is available for free.

https://github.com/space-physics/lowtran

These guys need to get a hold of some CO2 lasers ;-)

Pretty good going with just modulated hot-plates.

Brian GM4DIJ


--
Brian

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