I've thought of salvaging a beam splitter from a CD/DVD drive, to provide a reference beam and a free-path beam. Differences in readings of the detectors would imply the presence of particles.
Not sure how sensitive it would be.
I've thought of salvaging a beam splitter from a CD/DVD drive, to provide a reference beam and a free-path beam. Differences in readings of the detectors would imply the presence of particles.
Not sure how sensitive it would be.