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Portable time-dependent single photon counting system

  •        ST08 is the latest lightweight time-dependent single-photon counting system launched by Goptica. Integrating the latest time measurement chip technology, the ST08 features a time resolution as low as 4ps, a root mean square jitter of only 25ps, and a dead time of just 4ns, supporting an instantaneous saturation count rate of up to 250Mcps. ST08 offers 9 channels, including 1 synchronous channel and 8 counting channels. The Goptica ST08 adopts a brand-new lightweight design, significantly enhancing the flexibility and convenience of equipment deployment. It enables photon measurement to break free from spatial constraints and adapt to deployment in various diverse environments, demonstrating outstanding adaptability in complex environments and compact system integration requirements.



                                                                                                                                 Product Manual:

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    Features
    Accurate and efficient counting
    Lighter and more flexible
    Precisely measure the arrival time of photons, with strong measurement stability and a dead time as low as 4ns, making it suitable for efficient counting scenarios.
    It is smaller in size and lighter in weight, making it more flexible for use in laboratories or on-site scenarios.







    Multi-channel counting feature
    Multiple working modes
    ST08 offers 9 counting channels. The multi-channel counting allows for the simultaneous processing of multiple detector signals, significantly enhancing the counting efficiency.
    Supports multiple working modes, including histogram mode, time label mode, fit mode, high-value fit mode, and second-order fit function g2 mode.


    Control software
    Mechanical dimensions

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    Application field


    STED microscopic imaging



    Lidar imaging



    Quantum communication
     Fluorescence lifetime measurement


  • Product parameters and manual

    Product Manual

      Channel characteristics 
      Number of counting channels 
      9(1SYNC+8CH)
      Synchronous channel/counting channel input  -2V~+3V(The threshold is adjustable)
      Synchronous/counting channel trigger mode  Rising edge/falling edge trigger(Adjustable)
      Minimum trigger pulse width 
      0.1 ns  
      MARKER signal input level  LVTTL(High resistance) 
      Reference clock input/output levels  LVTTL(High resistance)
      Root mean square jitter 
      <25ps
      Input impedance  50Ω/High resistance
      TDC characteristics
      Instantaneous saturation count rate 
      250Mcp
      Dead time    
      4 ns
      Maximum event transmission rate  20M Events/s (USB3.0)
      Adjustable time delay range  -1000.0~+1000.0 ns 
      Histogram   
      Time resolution(ps)  4/…/33554432
      Maximum counting depth  2^32
      Maximum number of time channels  1048576(Configurable)
      Maximum range  4.19 μs @4 ps
      1.07 ms @1024 ps
      35 s @33554432 ps
      Time and intensity labels(TTTR & ITTR)
      Mode selection 
      T2/T3/ITTR
      T2 mode time resolution(ps) 
      4
      T3 mode time resolution(ps)  4/…/33554432
      The minimum statistical period of ITTR mode(us) 
      1
      TTTR data cache depth 
      32 G bit
      Maximum range  Unlimited@T2
      1.09 s@T3
      Unlimited@ITTR
      Conform to the pattern
      Maximum number of strategies  16
      Optional number of channels  2 ~ Max(The maximum number of channels of this machine)
      Window width  0.1 ~ 604080 ns
      Conform to the pattern  Online/Offline
      External clock
      Input frequency  10Mhz
      Level standard 
      LVTTL
      Others 
      Data transmission interface 
      USB 3.0
      Power consumption 
      20W
      Size 
      157*227*47mm³
      Power connection  DC 12V/5A


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