Laser 2000 presents the SPMPlus: Large-Area Silicon Photomultiplier

The SPMPlus is a large area version of SensL’s SPM detectors incorporating an array of individual Silicon Photomultipliers (SPM) pixels tiled together using a novel packaging concept.
Actual Dimensions: 27mm x 30mm - The SPMPlus is the first solid state alternative to the analog Large Area Photomultiplier Tube (PresseBox) (Wessling, ) The output of the tiles are summed together resulting in a sensor with a large active area — the first silicon alternative for Large Area PMT. The detector is packaged in a format suitable for scintillator coupling or free space / fluorescence applications and is available with appropriate interface / preamplifier electronics.

Whether you are an OEM or a researcher, with an application using a portable/miniature device, a large area radiation detector, or a high tier laboratory analysis instrument, the SPMPlus is the detector you should be investigating. Ideal for early adopters who wish to study the technology and evaluate the potential use of large area SPMs for low light detection applications, it will be of particular interest to research groups active in the development of detector systems for applications such as SPECT, Gamma Camera, and Radiation Detection for both medical and security purposes as well as developers of fluorescence applications requiring large detector sizes.

The module incorporates a transparent thick glass substrate with a connector which allows all of the individual pixel signals to be summed as a single output. The module can be supplied with appropriate interface / preamplifier electronics and a power supply. The first version has a total active area of 1.3cm x 1.3cm but the design is flexible and customizable to customer defined active size and performance. SensL’s patented biasing circuitry ensures that these large area SPMs retain the fast on-set time (<10ns) and recovery time (<60ns) of their smaller cousins.

The SPMPlus is the first solid state alternative to the analog Large Area Photomultiplier Tube. It combines the high gain (106) and gain stability advantages of the PMT technology with the well appreciated benefits of size, operating voltage, robustness, reliability, magnetic insensitivity and suitability for miniaturization of silicon detectors. In addition, the novel design is tolerant to excess / ambient light.

About SensL:
SensL's broad range of detector technologies in analog SPM and digital Photon Counting are designed to suit the current and emerging market for low light sensors. At the core of every SensL detector is a low light sensing silicon photodiode that is capable of converting single photons into a measurable output signal. SensL uses dedicated fabrication processes to manufacture these sensors to provide the highest degree of sensitivity and device uniformity, which is only possible with silicon CMOS processing techniques from SensL.

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Laser 2000 GmbH
Argelsrieder Feld 14
D-82234 Wessling
PhD. Helge Brüggemann
Lightsources and Optical Instrumentation
Photon Counting (APD/GPD), Light metrology

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