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PMA Series

PMA Series

Photomultiplier Detector Assembly

Capture even the weakest signals over large areas with maximum dynamic range and enhanced low-light sensitivity in a compact detector design.
PMA Series photomultiplier detector assemblies for single-photon counting and time-resolved measurements.
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Key Benefits

Improved low-light detection over large areas
Fast timing performance
Widest spectral coverage
Robust RF and magnetic shielding
Easy system integration
Stable long-term operation

Reliable Photon Detection Across Applications

Photocathode quantum efficiency of the photomultiplier detector assemblies from the PMA Series.

Built to Catch Every Photon

PMA Series combines single-photon sensitivity, fast temporal response, and low noise in a fully integrated photomultiplier detector assembly designed for demanding photon-counting workflows. Each unit incorporates a high-performance PMT, high-voltage supply, and optimized preamplifier within a robust, RF-shielded housing designed for stable operation in complex laboratory environments. Users can choose between blue-sensitive or extended-red photocathodes covering 230–920 nm, with optional thermoelectric cooling for reduced dark counts. With integrated shutter options, overload protection, and simple 12 V operation, the PMA Series delivers reliable performance for LiDAR, TRPL, FLIM, FRET, and other time-resolved measurement techniques.

Experimental setup for the validation of the proposed pile-up correction methodology. Taken from Daniele et al., APL Photonics (2025).

Detection for Diverse Methods

Robust single-photon detector modules like PMA Series provide stable timing performance and low noise for demanding time-resolved experiments. Their integrated high-voltage supply and GHz preamplifier make them a dependable choice for fluorescence studies, materials diagnostics, optical metrology, and other applications that rely on accurate photon arrival statistics.

Read how high-rate TCSPC was demonstrated in a recent study.

Measured instrument response function demonstrating a timing resolution of 170 ps FWHM.

Performance Highlights

  • Blue-sensitive and red-extended photocathodes covering 230–920 nm with photocathode quantum efficiency up to 40 %
  • Timing resolution below 180 ps FWHM with low dark noise and optional thermoelectric cooling for improved stability
  • Large 8 mm active area for efficient light collection, easy alignment, and flexible coupling into optical setups
  • Iron or nickel-coated housing with titanium nitride or gold refinement for strong RF and magnetic shielding
  • Integrated HV supply, fast GHz preamplifier, safety shutter options, and robust overload protection
  • Simple 12 V operation and seamless compatibility with PicoQuant TCSPC electronics and time-resolved spectroscopy workflows

Specifications

PMA 175

PMA 192

Wavelength range

230 – 700 nm

230 – 920 nm

Dark counts* (uncooled)

< 50 cps

< 10 000 cps**

Dark counts* (cooled)

< 50 cps

< 1100 cps**

Transit time spread (FWHM)

< 180 ps

< 180 ps

Recommended max. count rate

5 MHz

5 MHz

Single electron response width

1.5 ns

1.5 ns

Pulse rise / fall time

750 ps

750 ps

Connector

SMA female

Impedance

50 Ohms

Polarity

negative

Input

12 V DC

Max. current consumption (uncooled)

200 mA

Max. current consumption (cooled)

450 mA

OEM unit

134 × 84 × 34 mm (w × d × h)

PMA (uncooled)

72 × 84 × 84 mm (w × d × h)

Detector active area

8 mm

* at 20°C ambient temperature
** lower dark counts might be available on special selection. Please contact us for details.

All Information given here is reliable to our best knowledge. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications and external appearances are subject to change without notice.

Technical Documentation and Data

Technical Downloads

Datasheet PMA Series

With specifications, features and applications of photomultiplier detectors for single photon counting with low noise and fast timing

Scientific Insights & Resources

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Application Note: Wafer Characterization

Application note on wafer characterization using time-resolved photoluminescence and TCSPC to analyze charge carrier dynamics in semiconductor materials.

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