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Links to Detectors and photon counters are provided as a convenience. Marina Photonics has confidence that the end user can discern fact from specs spin.  Marina Photonics specializes in sustained Gigahertz Photon Counting that is Affordable!

Many 'Photon Counters' are just detectors with an amplifier-discriminator and TTL pulse out that  don't 'count' at all.  TTL pulse output usually results in 10ns or more dead time.  Time Correlated Single Photon Counters are boards for computers, NIM (Nuclear Instrumentation Modules) for NIM bins, USB units, or Stand-Alone systems.    Marina Photonics supplies USB input as well as sustained 400 Megabyte/second computer input independent of FIFO buffer limitations.

Please note throughput as opposed to instantaneous count rate, and bin size as opposed to time resolution.   Beware of After-Pulse detector rates that increase with quantum efficiency which have long dead times.    Please see Photon Counting Secrets on the first page of the web site.