Laser diffraction array photodiodes
PN photodiodes having a high density of closely spaced elements to capture the small angle laser scattering from particulates or aerosols according to the design of a specific instrument.
Designed to minimise reflection
Processed to reduce peripheral collection
Ensures precise, reproducible geometry of small angle elements
Typically includes a through-hole so that the probe laser is not reflected back into the measurement volume
Laser diffraction array photodiodes
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