Quote:
Originally Posted by chipmunk
The IR not passing thru the chamber also could mean that it is reflected to the candle's side. How did you concur that it was due to absorption?
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Some of it probably is being reflected, just like how some of it is passing through the chamber. No way to know for sure how much unless you put a glass tube and camera on both sides. Or repeat it with a different IR source encased within the chamber.