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A type of detector known as a hybrid picosecond photon detector (HPPD) is made to detect single photons with extremely high timing accuracy, on the scale of picoseconds (trillionths of a second). Quantum cryptography, FLIM (fluorescent lifetime imaging microscopy), TCSPC (time-correlated single photon counting), and time-resolved spectroscopy are only a few of the uses for it.
A photomultiplier tube (PMT) plus a timing circuit commonly make up an HPPD. A single photon is transformed into an electrical signal by the PMT, which then amplifies the signal and sends it to the timing circuit.
The timing circuit is made to track how long passes between the photon’s entry into the PMT and its output. The precise arrival time of the photon is then calculated using this timing information.
Compared to other types of photon detectors, the HPPD has a number of benefits. It can detect photons with a very high temporal resolution because to its first feature, which is a very quick response time.
It can detect a significant portion of the photons that enter the detector due to its high quantum efficiency. Third, it has a low dark count rate, which indicates that false positives brought on by random noise are less likely to occur.
The HPPD is an essential part of numerous cutting-edge research applications because it is a potent tool for determining the timing and intensity of single photons.
Global hybrid picosecond photon detector market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
The HPPD is most recent advancement in TCSPC detector technology, which combines the advantages of solid-state APD technology with the advantages of conventional PMT design (broad spectrum response and large active area) (good detection efficiency, negligible after-pulsing and exceptional temporal resolution).
For FLIM and short-lifetime determination, hybrid detectors are increasingly the preferred option.
lifetime resolution of 5 ps.increased quantum efficiency (QE).Better decay residuals as a result of less afterpulsing.stable at a specified temperature (Peltier).USB connection. Complete shielding
