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| Coad | 671396 | Type | Time-Correlated Single-Photon Counter | |
| Dimension(mm) | 186.0 x 325.0 x 64.0 | Minimum Trigger Pulse Width (ns) | 0.10 | |
| Dead Time (ns) | 2.00 | Number of Counting Channels | 4 | |
| Input Signal Standard | -2 V to +3 V Adjustable Threshold | Minimum Statistical Period in ITTR Mode | 1.0us | |
| MARKER Signal Interface | - | Time Resolution in T2 Mode | 1.0ps | |
| Time Resolution in T3 Mode | 1/2/4/…/33554432 ps | Host Data Transmission Interface | - | |
| Maximum Count per Channel | - | Reference Clock Input/Output Interface | - | |
| Adjustable Time Delay Range | -1000.0-1000.0ns | Synchronization Signal Division | - | |
| Sync Channel / Counting Channel Interface | - | Data Interface | USB 3.0 / Optical Port | |
| Time Resolution @ Time Tag | - | Time Resolution @ Histogram | 1/2/4/…/33554432 ps | |
| Maximum Event Transfer Rate | 40M Events/s（USB 3.0）280M Events/s（Optical Port） | Maximum Number of Time Bins | 1048576(Configurable) | |
| Maximum Time Range | Unlimited@T2 1.09 s@T3 Unlimited@ITTR | Maximum Time Range @ Histogram | 1.04 μs @1 ps 1.07 ms @1024 ps 35 s @33554432 ps | |
| Mode Selection | T2/T3/ITTR | Power Supply | DC12V / 5A | |
| Instantaneous Saturation Count Rate | 500Mcps | Trigger Mode | Rising Edge / Falling Edge Trigger (Adjustable) | |
| Counting Depth | 32bit | |||
The LBTEK single-photon counter is a high-precision time measurement system capable of ultra-sensitive detection of weak optical signals at the single-photon level. It supports time-tag mode, enabling real-time recording of photon arrival times. The technology integrates signal processing, optoelectronic detection, and software operation, allowing precise measurement of time intervals between multiple signal events with picosecond-level time resolution.
Thanks to its powerful high-speed data storage and processing capabilities, the LBTEK single-photon counter achieves a saturation count rate of up to 500 Mcps. Combined with high-speed signal transmission technology and advanced software, it is ideally suited for applications such as fluorescence lifetime measurements, laser ranging, fiber-optic sensing, quantum optics experiments, nuclear physics research, and oceanographic studies.
The LBSPCM-H series offers ultra-high time resolution of 1 ps and an exceptionally low dead time of just 2 ns, enabling precise photon timing and minimizing event loss. Leveraging its powerful high-speed data storage and processing capabilities, the LBSPCM-H achieves a saturation count rate of up to 500 Mcps, making it ideal for demanding, high-throughput applications. In addition to the standard USB 3.0 interface, the LBSPCM-H series is equipped with a 10 Gbit/s optical Ethernet interface, supporting a maximum event transfer rate of 280 Mcps. Data can be transmitted to a PC via USB 3.0 or optical 10 Gigabit Ethernet for histogram construction, curve fitting, parameter configuration, data storage, and comprehensive analysis.
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