Was in D-Lab Biodiversity class today at MIT and brainstormed an idea fora laser-and-webcam or laser-and-smartphone particulate sensor using 2 mirrors, a black box, a laser pointer, and a video camera.
More on this soon, i hope... maybe a prototype. We could just use Spectral Workbench for starters.
A possibly related paper I found is attached and available here:
"MEASUREMENT OF DIESEL PARTICULATE EMISSIONS BY UV LIDAR REMOTE SENSING IN DENVER, CO"
FEBRUARY 21-22, 2001
Prepared by: Robert Keislar, Peter Barber, Hampden Kuhns, Claudio Mazzoleni, Hans Moosmüller, Norm Robinson, and John Watson Desert Research Institute 2215 Raggio Parkway Reno, NV 89512-1095
Hi Jeff, This is a really exciting direction! I have been wondering why particulate matter sensors are so expensive and hoping someone would start taking one apart.
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