The CIP15 is part of a suite of Droplet Measurement Technologies (DMT) 2-Dimensional Optical Array Probes. It is flown on platform: FAAM BAe-146-301 Large Atmospheric Research Aircraft G-LUXE and operated by FAAM as part of the Core Cloud Physics suite.
Shadow images of particles passing through a collimated laser beam are projected onto a linear array of 64 photodetectors. The presence of a particle is registered by a change in the light level on each diode. The registered changes in the photodetectors are stored at a rate consistent with probe velocity and the instrument’s size resolution. Particle images are reconstructed from individual “slices,” where a slice is the state of the 64-element linear array at a given moment in time. A slice must be stored at each time interval that the particle advances through the beam a distance equal to the resolution of the probe. Optional grayscale imaging gives three levels of shadow recording on each photodetector, allowing more detailed information on the particles.
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