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Photomultiplier tubes, often known as photomultipliers or PMTs for short, are incredibly sensitive light detectors that can detect light in the ultraviolet, visible, and near-infrared spectrums. They belong to the category of vacuum tubes, more especially the category of vacuum phototubes.
In several dynode stages, these detectors amplify the current created by incident light by as much as 100 million times or 108 (i.e., 160 dB), allowing (for example) the detection of individual photons when the incident flux of light is minimal.
Photomultipliers continue to play a crucial role in nuclear and particle physics, astronomy, confocal microscopy, Raman spectroscopy, fluorescence spectroscopy, medical diagnostics, including blood tests, medical imaging, motion picture film scanning (telecine), radar jamming, and high-end image scanners.
These applications include low light level spectroscopy, blood tests, medical imaging, motion picture film scanning (telecine), radar jamming, and high-end image scanner Night vision equipment is built on components of photomultiplier technology that have been differentially incorporated.
A laser and a PMT are frequently used in studies that evaluate light scattering, such as the research of polymers in solution, to gather the scattered light data.
Alternatives to traditional photomultipliers include semiconductor devices, particularly silicon photomultipliers and avalanche photodiodes.
The global Photomultiplier tubes market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
A pioneer in high performance multichannel data collection systems for optical sensors, Vertilon Corporation), today announced the release of the SIB164 sensor interface board for the Hamamatsu H7546B sixty-four anode photomultiplier tube.
The H7546B is connected mechanically and electrically to a 64 channel data acquisition system, such as the PhotoniQ IQSP482 or IQSP582 from Vertilon, through the SIB164.
The PMT installed atop the SIB164 detects charge signals from high speed events, such as those produced in PET or gamma cameras, and transmits them via specialised cables to the data acquisition system.
The SIB164 achieves single photon sensitivity at event rates surpassing 200,000 events per second when coupled with an IQSP582 PhotoniC system.
No bespoke electronics, specialised equipment, or additional software is needed for the average user to mount the Hamamatsu H7546B on the SIB164 and gather data from the PhotoniQ thanks to its compact and standardised architecture.
The SIB164 contains three different types of on-board pulse discriminators in addition to a final dynode preamplifier, performing similarly to Vertilon’s SIB064 for the Hamamatsu H8500D.
Since it serves as a shared connection for all anodes in a multianode photomultiplier tube, the last dynode from the PMT is often a convenient way to detect particle or scintillation events.
A data acquisition system can start collecting the charge signals by using a pulse from the final dynode since it coincides with the output from the PMT anodes.
