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Single Photon Counting Modules

COUNT COUNT
COUNT®

Record-breaking Dark Count Rate, Highest Quantum Efficiency

 These modules are perfectly suited for measurements across the entire wavelength range from 400-1000 nm.
COUNT NIR COUNT NIR
COUNT® NIR

Single photon counting modules with a detection efficiency >50% at 810 nm

COUNT T COUNT T
COUNT® T

Single photon counter for time-correlated applications

General Information

about Single Photon Counting Modules (SPCM)

Single photon counting modules (SPCM) are used to count individual photons. LASER COMPONENTS' photon counters with the brand name COUNT® offer high quantum efficiency, very low dark count rates (DCR) and a wide dynamic range. 

 

Functionality and operation  
The modules of the COUNT® series from LASER COMPONENTS consist of a particularly low-noise silicon avalanche photodiode and specially developed high-voltage (HV) electronics with quenching circuitry and temperature management. They can be operated at wavelengths between 400 nm and 1000 nm. Incoming photons generate avalanche-like electrical pulses that are read out at the TTL output. 

 

100 % quality control 
All specifications of our COUNT® modules are checked at our in-house test station. This combines ultra-short pulsed diode lasers, computer-controlled motion stages and a reference power meter with a system for time-correlated single photon counting (TCSPC), the Time Tagger Ultra from Swabian Instruments. 

 

Special features of the COUNT® modules 

  • Single photon detection with high quantum efficiency 
  • Active quenching switch for defined short dead time and accurate measurement 
  • Extremely low dark count rate (DCR) with ≤10 Hz available 
  • Low afterpulse probability (AP) 
  • Short timing jitter 
  • Ultra-fast TTL pulses 
  • Optional fiber connection (FC) 

New COUNT® design

Preview

COUNT® Single Photon Counting Module + SAP500T6 COUNT® Single Photon Counting Module + SAP500T6

Our COUNT® model change is due at the end of 2025. In our recently published COUNT® brochure, you can already take a look at the design of the newly developed COUNT® modules and find out more about the most important specifications and diverse areas of application.

 

Brochure »Single Photon Counting«

We are Happy To learn more about your Photon Counting application

Contact us!
Harvey Washbrook
Laser Components Nordic AB

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Single Photon Counting Modules

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LASER COMPONENTS Nordic - Your competent partner for optical and optoelectronic components in Sweden, Norway, Finland, Denmark, and Iceland.

Welcome to LASER COMPONENTS Nordic AB, your expert for photonics components. Each product in our wide range of detectors, laser diodes, laser modules, optics, fiber optics, and more is worth every Crown (SEK). Our customized solutions cover all conceivable areas of application: from sensor technology to medical technology. You can reach us here:

Box 14001 / Skårs led 3
SE-400 20 Göteborg
Sweden

Phone: +46 (0)31 703 7173
Email: info(at)lasercomponents.se

Team of experts
You have questions or need our support?
Please call us.
Johan Daag
Office Manager
Johan Daag
LASER COMPONENTS Nordic AB
41263 Göteborg - Sweden
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Laser Components

Box 14001 / Skårs led 3
SE-400 20 Göteborg
Sweden

Phone: +46 (0)31 703 7173

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