Sentences with phrase «photon detectors such»
Krivitsky notes that rod - cell efficiency is comparable to the quantum efficiencies of state - of - the - art human - made single - photon detectors such as photomultipliers (40 per cent) and avalanche photodiodes (50 per cent); remarkably, rod cells occupy an area of only 5 by 50 micrometers and contain their own power supply.
https://www.sciencedaily.com/ Not exact matches
«There are actually 11 kinds of lasers that are part of the detector system,» she said, for such uses as optical levels, fiber welding, thermal compensation and photon calibration.