Time-Correlated Single-Photon Counting Module TAU-200
JCOPTIX Time-Correlated Single-Photon Counting (TCSPC) modules use Time-to-Digital Converter (TDC) architecture for precise photon timing. They accept detector electrical pulses, measure individual arrivals event-by-event within pulsed-laser periods, and accumulate fluorescence-decay histograms. Constant-fraction discrimination, conversion, buffering, and host communication cover signal identification, quantization, transfer, and software processing. Industry-level timing accuracy, dead time, and transfer speed combine with expansion flexibility for different experiments. Acquisition/analysis software configures parameters, displays live data, and stores results, providing independently controllable acquisition-to-analysis operation. TCSPC module. Model: TAU-200. TDC architecture. FIFO/MCS modes. Windows: 12.5 ns-3600 s in afterglow mode. Broad time-resolved-spectroscopy applications. JCOPTIX TAU-200 precisely measures arrivals using TDC. SMA inputs receive detector fluorescence pulses (CFD) and laser synchronization (SYNC), measuring relative arrival within each period and accumulating histograms. FIFO minimum bins: 10 ps/Bin; window 12.5 ns-1 ms, with actual maximum dependent on repetition rate, for nanosecond/microsecond lifetimes. MCS minimum bins: 4 ns/Bin; window 1 μs-15 s for microsecond/second fluorescence/phosphorescence. Afterglow windows exceed 3600 s for second-scale lifetimes. TAU-200 connects by Gigabit Ethernet; FluoTrace acquisition and FluoView analysis software configure, display, and store data. Supply: 24 V. CFD/SYNC input: 0-5 V. Minimum pulse width: 2 ns. Dead time: 10 ns. Input frequency ≤80 MHz. Zero-cross adjustment: -100 to +100mV. Typical channels: 4000, user-customizable.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Principle | Time-to-Digital Converter (TDC) |
| Output Method | FIFO and MCS Modes |
| Number of Channels | 2 |
| Minimum Time Bin Width [FIFO：10 ps/Bin；MCS：4 ns/Bin] | 10 ps/Bin (FIFO Mode); 4 ns/Bin (MCS Mode) |
| Voltage Input Range (SYNC) | 0-5 V |
| Time Window [Each Mode and Unit Listed Separately in Original Value; FIFO Window Upper Limit Depends on Laser Repetition Rate] | 12.5 ns-1 ms (FIFO Mode, Depends on Laser Repetition Rate); 1 μs-15 s (MCS Mode); >3600 s (Long-Afterglow Mode) |
| Voltage Input Range (CFD) | 0-5 V |
| Typical System IRF | ≤ 300 ps |
| Minimum Input Pulse Width | 2 ns |
| Number of Time Channels | Typical 4000 (User Customizable) |
| Dead Time | 10 ns |
| PC Interface Type | Gigabit Ethernet |
| Frequency Range | ≤ 80 MHz |
| Supply Voltage | 24 V |
| IRF Width, FWHM | ≤ 80 ps |
| Interface | SMA |
| Saturation Count Rate | 10 MHz |
| Zero-Crossing Adjustment | -100 mV -100 mV |
| External Dimensions | 205 mm × 106.5 mm × 65 mm |
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Datasheet
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