You are confusing scintillometer and scintillator. The latter is a radiation detector.Can I use scintillometer for measuring Evapotranspiration of the tree? Because I see articles about scintillometer and gamma cosmic rays…
Can LIDAR work in this case?
A scintillometer seems doable as diy. For an area like a tree, I'd start with a laser diode ( i dont know which frequency, but as a complete guess id try infrared, possibly red, and stay away from green and blue), the other end would be either a phototransistor or a photocell. A low noise (probably high gain) amplifier and a quality anolog to digital converter (maybe a 24 bit sound card, probably a pi zero attached not an arduine or esp)
Here it says it can be done with LIDAR Raman, but I suppose it is too expensive for hobbyist.
https://www.sciencedirect.com/science/article/pii/S0309170805001314
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Is there a way to construct a Raman LIDAR using non-expensive equipment, laser, phototransistor etc, as happens with most hobbyist construction/DIY? What theory should I follow?
Just hobby, one unit for my tree.
No. Water vapor NIR lines have about 10% absorption for 1 km atmospheric path according to literature. You can well detect it with a simple instrument when looking to the sky. To measure the absorption for path length of a few meters, you need tuned mono-mode lasers.Does this work for what I want to measure?
Can I use scintillometer for measuring Evapotranspiration of the tree? Because I see articles about scintillometer and gamma cosmic rays...
No. Water vapor NIR lines have about 10% absorption for 1 km atmospheric path according to literature. You can well detect it with a simple instrument when looking to the sky. To measure the absorption for path length of a few meters, you need tuned mono-mode lasers.
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